Civil Engineering Department

Tyagi Vinay Kumar

Tyagi, Vinay Kumar
Ramalingaswami Fellow
Specialization : Environmental Engineering
Room No : G-3
vinay.tyagi[at]ce[dot]iitr[dot]ac[dot]in
(O) 91-1332-284551 (M) +91 9068649528

Areas of Interest

Energy efficient Biological Wastewater Treatment Systems
Biomass to Bioenergy Conversion
Advanced Sludge Pre-treatment Technologies
Health Related Water Microbiology

Energy efficient Biological Wastewater Treatment Systems

Biomass to Bioenergy Conversion

Advanced Sludge Pre-treatment Technologies

Health Related Water Microbiology

Honors and Awards

Award	Awarding Organisation	Year
Editorial Board Member: Environmental Science and Ecotechnology	Elsevier	2021
Hiyoshi Think of Ecology Award 2021	Hiyoshi Corporation, Japan	2021
Member: WATMOC: Asia Pacific Network for Wastewater Monitoring of COVID-19	WATMOC	2021
Editorial Board Member: Frontiers in Environmental Sciences	Frontiers in Environmental Sciences	2021
Member: Conference Committee, International Conference on Alternative Fuels, Energy and Environment. 15-18 Oct. 2021, Turkey	Erciyes University, Turkey	2021
Member: Management Committee of the IWA Sludge Management Specialist Group (SMSG)	International Water Association	2019
Ramalingaswami Re-Entry Fellowship	Department of Biotechnology, Govt. of India	2018
ceiA3 Research Fellowship	University of Cadiz, Spain	2013
Post-Doctoral Research Fellowship	University of South Africa	2013-14
Member Editorial Review Board	International Journal of Environment and Sustainability	2012-14
Travel Supports for the platform presentation in International Conferences	Taiwan Govt.	2012
Post-Doctoral Research Fellowship	National Taiwan University	2011-12
Post-Doctoral Research Fellowship	Kyung Hee University, South Korea	2010-11
Travel Supports for the platform presentation in International Conferences	Japan Govt.	2010
2000 Outstanding Intellectuals of The 21st Century	International Biographical Centre, Cambridge, England	2010
Travel Supports for the platform presentation in International Conferences	Indian Govt.	2008
Young Scientist Award-2008	Uttarakhand Council of Science & Technology	2008
Travel Supports for the platform presentation in International Conferences	Japan Govt.	2007

Professional Background

From	To	Designation	Organisation
04-2018	Continuing	Ramalingaswami Fellow	Civil Engineering Department, Indian Institute of Technology, Roorkee
04-2016	03-2018	Research Fellow	Nanyang Technological University, Singapore
01-2015	03-2016	Assistant Professor	Department of The Energy and Resources Institute University, New Delhi, India
12-2013	01-2015	Research Scientist	Graduate School of Engineering, Tohoku University, Japan
03-2013	11-2013	Post-Doctoral Researcher	Faculty of Sciences, University of Cádiz, Spain
01-2011	02-2013	Post-Doctoral Researcher	National Taiwan University, Taipei, Taiwan
08-2009	12-2012	Fellow C	Indian Institute of Technology Roorkee, India

Educational Details

Degree	Subject	University	Year
Ph. D.	Environmental Sciences	Gurukul Kangri University, Haridwar	2009
M.Sc	Environmental Science	Gurukul Kangri University, Haridwar	2002
B.Sc	Life Science	Gurukul Kangri University, Haridwar	1999

Journal Publication

Sort by Year (Ascending)

Tyagi, V. K., Chopra, A. K., Kazmi, A. A. and Kumar, A. (2006). Alternative microbial indicators of faecal pollution: Current Perspective. Journal of Environmental Health & Science Engineering. Volume: 3 Number: 3 Pages: 205-216

Prakash, K. J., Tyagi, V. K., Kazmi, A. A. and Kumar, A. (2007). Post-Treatment of UASB Reactor Effluent by Coagulation and Flocculation. Environmental Progress, AIChE. DOI: 10.1002/ep.10192

Tyagi, V. K., Chopra, A. K., Durgapal, N. C. and Kumar, A. (2007). Evaluation of Daphnia magna as an indicator of Toxicity and Treatment efficacy of Municipal Sewage Treatment Plant. Journal of Applied Science and Environmental Management. DOI: 10.4314/jasem.v11i1.46835

Tyagi, V. K., Subramaniyan, S., Kazmi, A. A.and Chopra, A. K. (2008). Removal of Fecal indicators and pathogens in a Waste Stabilization Pond System treating Municipal Wastewater in India. Water Environment Research. DOI: 10.2175/106143008x296433

Tyagi, V. K., Subramaniyan, S., Kazmi, A. A. and Chopra, A. K. (2008). Microbial Community in Conventional and Extended Aeration Activated Sludge Plants in India. Ecological Indicators. DOI: 10.1016/j.ecolind.2007.07.002

Kazmi, A. A., Tyagi, V.K., Trivedi, R.C. and Kumar, A. (2008). Coliforms removal in full-scale activated sludge plants in India. Journal of Environmental Management. DOI: 10.1016/j.jenvman.2007.01.017

Tyagi, V. K., Renganayagi, B., Subramanian, S., Kazmi, A. A. and Chopra, A. K. (2009). Operating Strategies for Activated Sludge Process to enhanced Coliform removal. Asian Journal of Water, Environment and Pollution.

Tyagi, V. K., Khan, A. A., Kazmi, A. A., Mehrotra, I. and Chopra, A. K. (2009). Slow sand filtration of UASB reactor effluent: A promising post treatment technique. Desalination. DOI: 10.1016/j.desal.2008.12.049

Tyagi, V. K., Khan, A. A., Kazmi, A. A. and Chopra, A. K. (2010). Enhancement of Coagulation Flocculation Process Using Anionic Polymer for the Post Treatment of UASB Reactor Effluent. Separation Science and Technology. DOI: 10.1080/01496390903566762

10.

Khan, A. A., Gaur, R. Z., Tyagi, V. K., Khursheed, A., Lew, B., Mehrotra, I. and Kazmi, A. A. (2011). Sustainable options of post treatment of UASB effluent treating sewage: A review. Resource Conservation and Recycling. DOI: 10.1016/j.resconrec.2011.05.017

11.

Tyagi, V. K., Sahoo, B. K., Khursheed, A., Kazmi, A. A. and Ahmad, Z. (2011). Fate of coliforms and pathogenic parasite in four full-scale sewage treatment systems in India. Environmental Monitoring and Assessment. DOI: 10.1007/s10661-010-1818-4

12.

Tyagi, V. K. and Lo, S. L. (2011). Application of physico-chemical pretreatment methods to enhance the sludge disintegration and subsequent anaerobic digestion: an up to date review. Reviews in Environmental Science/Biotechnology. DOI: 10.1007/s11157-011-9244-9

13.

Chang, C. J., Tyagi, V. K. and Lo, S. L. (2011). Effects of microwave and alkali induced pretreatment on sludge solubilization and subsequent aerobic digestion. Bioresource Technology. DOI: 10.1016/j.biortech.2011.05.031

14.

Khursheed, A., Gaura , R. Z., Bhatiaa, A., Khana, A. A., Tyagi, V. K. and Kazmi, A. A. (2012). Role of volume exchange ratio and non-aeration time in spillage of nitrogen in continuously fed and intermittently decanted sequencing batch reactor. Chemical Engineering Journal. DOI: 10.1016/j.cej.2012.02.067

15.

Khan, A. A., Gaur, R. Z., Tyagi, V. K., Lew, B., Diamantis, V., Kazmi, A. A. and Mehrotra, I. (2012). Fecal coliform removal from the effluent of UASB reactor through diffused aeration. Desalination and Water Treatment,. DOI: 10.1080/19443994.2012.669156

16.

Tyagi, V. K., Bhatia, A., Gaur, R. Z., Khan, A. A., Ali, M., Khursheed, A. and Kazmi, A. A. (2012). Effects of multi-metal toxicity on the performance of sewage treatment system during the festival of colors (Holi) in India. Environmental Monitoring and Assessment. DOI: 10.1007/s10661-012-2516-1

17.

Tyagi, V. K. and Lo, S. L. (2012). Enhancement in mesophilic aerobic digestion of waste activated sludge by chemically assisted thermal pretreatment method. Bioresource Technology. DOI: 10.1016/j.biortech.2012.05.134

18.

Tyagi, V. K. and Lo, S. L. (2013). Sludge: a waste or renewable source for energy and resource recovery?. Renewable and Sustainable Energy Reviews. DOI: 10.1016/j.rser.2013.05.029

19.

Tyagi, V. K. and Lo, S. L. (2013). Microwave irradiation: A sustainable way for sludge treatment and resource recovery. Renewable and Sustainable Energy Reviews. DOI: 10.1016/j.rser.2012.10.032

20.

Tyagi, V. K., Bhatia, A., Gaur, R. Z., Khan, A. A., Ali, M., Khursheed, A., Kazmi, A. A. and Lo, S. L. (2013). Impairment in water quality of Ganges river and consequential health risks on account of mass ritualistic bathing. Desalination and Water Treatment. DOI: 10.1080/19443994.2013.734677

21.

Tyagi, V. K., Campoy, R. A., Álvarez-Gallego, C. J. and García, L. I. R. (2014). Enhancement in hydrogen production by thermophilic anaerobic co-digestion of organic fraction of municipal solid waste and sewage sludge- Optimization of treatment conditions. Bioresource Technology. DOI: 10.1016/j.biortech.2014.05.013

22.

Tyagi, V. K., Lo, S. L. and Rajpal, A. (2014). Chemically coupled microwave and ultrasonic prehydrolysis of pulp and paper mill waste activated sludge: Effect on sludge solubilisation and anaerobic digestion. Environmental Science and Pollution Research. DOI: 10.1007/s11356-013-2426-y

23.

Tyagi, V. K., Lo, S. L., Appels, L. and Dewil, R. (2014). Ultrasonic treatment of waste sludge: a review on mechanisms and applications. Critical Reviews in Environmental Science and Technology. DOI: 10.1080/10643389.2013.763587

24.

Tyagi, V. K., Lo, S. L., Campoy, R. A., Álvarez-Gallego, C. J., García, L. I. R., Sun, L. P. and Qiu, C S. (2014). Sono‐biostimulation of aerobic digestion: a novel approach for sludge minimization. Journal of Chemical Technology and Biotechnology. DOI: 10.1002/jctb.4202

25.

Khursheed, A., Sharma, M. K., Tyagi, V. K., Khan, A. A. and Kazmi, A. A. (2015). Specific oxygen uptake rate gradient–Another possible cause of excess sludge reduction in oxic-settling-anaerobic (OSA) process. Chemical Engineering Journal. DOI: 10.1016/j.cej.2015.06.105

26.

Prabha, S., Ramanathan, A. L., Gogoi, A., Das, P., Deka, J. P., Tyagi, V. K. and Kumar, M. (2015). Suitability of conventional and membrane bioreactor system in textile mill effluent treatment. Desalination and Water Treatment. DOI: 10.1080/19443994.2014.932716

27.

Xiao, K., Chen, Y., Jiang, X., Tyagi, V..K. and Zhou, Y. (2016). Characterization of key organic compounds affecting sludge dewaterability during ultrasonication and acidification treatments . Water Research. DOI: 10.1016/j.watres.2016.09.030

28.

Sharma, M. K., Tyagi, V. K., Saini, G., and Kazmi, A. A. (2016). On-site treatment of source separated domestic wastewater employing anaerobic package system . Journal of Environmental Chemical Engineering . DOI: 10.1016/j.jece.2016.01.024

29.

Khursheed, A., Tyagi, V. K., Khan, A. A., Bhatia, A., Gaur, R. Z., Ali, M., Sharma, M., Kazmi, A. A., and Lo, S. L. (2016). Operation and maintenance of sewerage systems: Present challenges and possible alternatives- An Indian experience . Desalination and Water Treatment. DOI: 10.1080/19443994.2014.980326

30.

Angeriz-Campoy, R., Fdez-Güelfo, L. A., Tyagi, V. K., Álvarez-Gallego, C. J. and Romero-García, L. I. (2017). New criteria to determine the destabilization of the acidogenic anaerobic co-digestion of organic fraction of municipal solid waste (OFMSW) with mixed sludge (MS). Bioresource Technology. DOI: 10.1016/j.biortech.2017.05.195

31.

Khursheed, A., Tyagi, V. K., Sharma, M., Gaur, R. Z., Khan, A. A. and Kazmi, A. A. (2017). Reduced sludge growth at high bulk liquor dissolved oxygen induced by increased secondary cell maintenance. Chemosphere. DOI: 10.1016/j.chemosphere.2017.06.031

32.

Yan, W., Shen, N., Xiao, Y., Chen, Y., Sun, F., Tyagi, V. K. and Zhou, Y. (2017). The role of conductive materials in the start-up period of thermophilic anaerobic system. Bioresource Technology. DOI: 10.1016/j.chemosphere.2017.06.031

33.

Gani, K. M., Tyagi, V. K. and Kazmi, A. A. (2017). Occurrence of Phthalates in Aquatic Environment and their Removal during Wastewater Treatment Processes: A Review. Environmental Science and Pollution Research. DOI: 10.1007/s11356-017-9182-3

34.

Nomoto, N., Tyagi, V. K., Ali, M., Jayaswal, K., Maharajan, N., Iguchi, A., Hatamoto, M., Okubo, T., Takahashi, M., Kubota, K., Tagawa, T., Uemura, S., Yamaguchi, T. and Harada, H. (2017). Start-up characteristics of real-scale DHS reactors in developing countries and organic matter processing performance under high organic matter load conditions.. Journal of Japan Society on Water Environment. DOI: 10.2965/jswe.40.11

35.

Kumar, M., Gogoi, A., Kumari, D., Borah, R., Das, P., Mazumder, P. and Tyagi, V. K. (2017). Review of Perspective, Problems, Challenges, and Future Scenario of Metal Contamination in the Urban Environment. Journal of Hazardous, Toxic, and Radioactive Waste. DOI: 10.1061/(ASCE)HZ.2153-5515.0000351

36.

Tyagi, V.K., Fdez-Güelfo, L. A., Zhou, Y., Álvarez-Gallego, C. J., Romero Garcia, L. I. and Ng, W. J. (2018). Anaerobic Co-digestion of Organic Fraction of Municipal Solid Waste (OFMSW): Progress and Challenges. Renewable and Sustainable Energy Reviews. DOI: 10.1016/j.rser.2018.05.051

37.

Gogoi, A., Mazumder, P., Tyagi, V. K., Chaminda, T. and An, A. K. (2018). Occurrence and Fate of Emerging Contaminants in Water Environment: A Review. Groundwater for Sustainable Development. DOI: 10.1016/j.gsd.2017.12.009

38.

Khursheed, A., Gaur, R. Z., Sharma, M., Tyagi, V. K., Khan, A. A. and Kazmi, A. A. (2018). Dependence of Enhanced Biological Nitrogen Removal on C/N and rbCOD/sbCOD ratios during Sewage Treatment in preanoxic intermittently aerated SBR. Journal of Cleaner Production. DOI: 10.1016/j.jclepro.2017.10.055

39.

Tyagi, V. K., Tien, A. L. S, Ahmad, B. and Gautam, A. (2019). Bio-stimulation of anaerobic digestion by low intensity ultrasonication. Water Science & Technology. DOI: 10.2166/wst.2019.308

40.

Ahmed, B., Aboudi, K., Tyagi, V. K., Álvarez-Gallego, C. J., Fernández-Güelfo, L. A., Romero-Garcia, L. I. and Kazmi, A. A. (2019). Improvement of anaerobic digestion of lignocellulosic biomass by hydrothermal pre-treatment. Applied Sciences. DOI: 10.3390/app9183853

41.

Tyagi, V. K., Liu, J., Poh, L. S. and Ng, W. J. (2019). Anaerobic -aerobic system for beverage effluent treatment: Performance evaluation and microbial community dynamics. Bioresource Technology Reports. DOI: 10.1016/j.biteb.2019.100309

42.

Ahmed, B., Aboudi, K., Tyagi, V. K., álvarez-Gallego, C. J., Fernández-Güelfo, L. A., Romero-García, L. I. and Kazmi, A. A. (2019). Improvement of anaerobic digestion of lignocellulosic biomass by hydrothermal pretreatment. Applied Sciences (Switzerland). DOI: 10.3390/app9183853

43.

Bhagat, C., Kumar, M., Tyagi, V. K. and Mohapatra, P. K. (2020). Proclivities for Prevalence and Treatment of Antibiotics in the Ambient Water: A Review. NPJ Clean Water. DOI: 10.1038/s41545-020-00087-x

44.

Tripathi, A., Tyagi, V. K., Vivekanand, V., Bose, P. and Suthar, S. (2020). Challenges, opportunities and progress in solid waste management during COVID-19 pandemic.. Case Studies in Chemical and Environmental Engineering. DOI: 10.1016/j.cscee.2020.100060

45.

Rajpal, A., Kazmi, A. A. and Tyagi, V. K. (2020). Solid waste management in rural areas nearby river Ganga at Haridwar in Uttarakhand, India.. J. Appl. Nat. Sci.. DOI: 10.31018/jans.v12i4.2394

46.

Kumar, M., Thakur, A. K., Mazumder, P., Kuroda, K., Mohapatra, S., Rinklebe, J., Ramanathan, A. L., Cetecioglu, Z., Jain, S., Tyagi, V. K., et al. (2020). Frontier review on the propensity and repercussion of SARS-CoV-2 migration to aquatic environment. Journal of Hazardous Materials Letters. DOI: 10.1016/j.hazl.2020.100001

47.

Gahlot, P., Ahmed, B., Tiwari, S. B., Aryal, N., Khursheed, A., Kazmi, A. A. and Tyagi, V. K. (2020). Conductive material engineered direct interspecies electron transfer (DIET) in anaerobic digestion: Mechanism and application. Environmental Technology & Innovation. DOI: 10.1016/j.eti.2020.101056

48.

Ahmed, B., Tyagi, V. K., Priyanka, Khan, A. A. and Kazmi, A. A. (2020). Optimization of process parameters for enhanced biogas yield from anaerobic co-digestion of OFMSW and bio-solids. Biomass Conversion and Biorefinery. DOI: 10.1007/s13399-020-00919-3

49.

Khursheed, A., Alam, S., Tyagi, V. K., Nagpure, A., Khan, A. A., Gaur, R. Z., Singh, S., Bhattacharya, P., Mukherjee, S. and Kumar, M. (2020). Future Liaising of the Lockdown during COVID-19 pandemic: The dawn is expected at hand from the Darkest hour. Groundwater for Sustainable Development. DOI: 10.1016/j.gsd.2020.100433

50.

Tyagi, V. K., Bhatia, A., Kubota, K., Rajpal, A., Ahmed, B., Khan, A. A., Kazmi, A. A. and Kumar, M. (2021). Microbial community dynamics in anaerobic digesters treating organic fraction of municipal solid waste. Environmental Technology and Innovation. DOI: 10.1016/j.eti.2020.101303

51.

Dubey, M., Mohapatra, S., Tyagi, V. K., Suthar, S. and Kazmi, A. A. (2021). Occurrence, fate, and persistence of emerging micropollutants in sewage sludge treatment.. Environmental Pollution. DOI: 10.1016/j.envpol.2021.116515

52.

Tiwari, S. B., Dubey, M., Ahmed, B., Gahlot, P., Khan, A. A., Rajpal, A., Kazmi, A. A. and Tyagi, V. K. (2021). Carbon-based conductive materials facilitated anaerobic co-digestion of agro waste under thermophilic conditions.. Waste Management. DOI: 10.1016/j.wasman.2021.01.032

53.

Tiwari, S. B., Gahlot, P., Tyagi, V. K., Zhang, L., Zhou, Y., Kazmi, A. A. and Kumar, M. (2021). Surveillance of Wastewater for Early Epidemic Prediction (SWEEP): Environmental and Health Security Perspectives in the post COVID-19 Anthropocene. Environmental Research. DOI: 10.1016/j.envres.2021.110831

54.

Chand, N., Suthar, S., Kumar, K. and Tyagi, V. K. (2021). Enhanced removal of nutrients and coliforms from domestic wastewater in cattle dung biochar-packed Colocasia esculenta-based vertical subsurface flow constructed wetland.. Journal of Water Process Engineering. DOI: 10.1016/j.jwpe.2021.101994

55.

Tyagi, V. K., Kapoor, A., Arora, P., Banu, R., Das, S., Pipesh, S. and Kazmi, A. A. (2021). Mechanical-biological treatment of municipal solid waste: Case study of 100 TPD Goa Plant, India. Journal of Environmental Management. DOI: 10.1016/j.jenvman.2021.112741

56.

Banu, R., Muthu, P., Kavitha. S, Tyagi, V. K., Gunasekaran, M., Karthikeyan, O. P. and Kumar, G. (2021). Lignocellulosic biomass based biorefinery: A successful platform towards circular bioeconomy. Fuel. DOI: 10.1016/j.fuel.2021.121086

57.

Viveknand, A. C., Mohapatra, S. and Tyagi, V. K. (2021). Microplastics in aquatic environment: Challenges and Perspectives. Chemosphere. DOI: 10.1016/j.chemosphere.2021.131151

58.

Ahmad, B., Tyagi, V. K., Aboudi, K., Naseem, A., Álvarez-Gallego, C. J., Fernández-Güelfo, L. A., Kazmi, A. A. and Romero-García, L. I. (2021). Thermally enhanced solubilization and anaerobic digestion of organic fraction of municipal solid waste. Chemosphere. DOI: 10.1016/j.chemosphere.2021.131136

59.

Sharma, M., Tyagi, V. K. and Kazmi, A. A. (2021). Sustainable Technologies for On-site Domestic Wastewater Treatment: A Review with Technical Approach.. Environment, Development and Sustainability. DOI: 10.1007/s10668-021-01599-3

60.

D’ Silva, T. C., Isha, A., Chandra, R., Vijay, V. K., Khan, A. A., Kovács, K. L. and Tyagi, V. K. (2021). Enhancing methane production in anaerobic digestion through hydrogen assisted pathways – A state-of-the- art review.. Renewable and Sustainable Energy Reviews. DOI: 10.1016/j.rser.2021.111536

61.

Tawfik, A., Awad, H. M., Islmail, S., Tyagi, V. K., Khan, M. S., Qyyum, M. A. and Lee, M. (2021). Recent Approaches for the Production of High Value-added Biofuels from Gelatinous Wastewater. Energies. DOI: 10.3390/en14164936

62.

Arora, S., Nag, A., Rajpal, A., Tyagi, V. K., Tiwari, S. B., Sethi, J., Sutaria, D., Rajvanshi, J., Saxena, S., Shrivastava, S. K., Srivastava, V., Gupta, A. B., Kazmi, A. A. and Kumar, M. (2021). Imprints of Lockdown and Treatment Processes on the wastewater surveillance of SARS-CoV-2: A curious cases of fourteen plants in the Northern India.. Water. DOI: 10.3390/w13162265

63.

Banu, J. R., Ginni, G., Kannah, R. Y., Kumar, V., Kumar, S. A., Gunasekaran, M., Tyagi, V. K. and Kumar, G. (2021). Polyhydroxyalkanoates synthesis using acidogenic fermentative effluents. International Journal of Biological Macromolecules. DOI: 10.1016/j.ijbiomac.2021.11.040

64.

D’ Silva, T. C., Ahmad, M., Nazim, M., Mirza, M. W., Arafat, T., Ashraf, M. A., Hasan, M. N., Gaur, R. J., Tyagi, V. K., Mutiyar, P. K., Lew, R. J., Lew, B. and Khan, A .A. (2021). Performance and sustainability assessment of full-scale sewage treatment plants in Northern India using multiple-criteria decision-making methods.. Journal of Environmental Engineering.. DOI: 10.1061/(ASCE)EE.1943-7870.0001941

65.

Suthar, S., Das, S., Nagpure, A., Madhurantakam, C., Tiwari, S. B., Gahlot, P. and Tyagi, V. K. (2021). Epidemiology and diagnosis, environmental resources quality and socio-economic perspectives for COVID-19 pandemic.. Journal of Environmental Management. DOI: 10.1016/j.jenvman.2020.111700

66.

Kumar, D., Kavita, S., Tyagi, V. K., Rajkumar, M., Bhatia, S. K., Kumar, G. and Banu, J. R. (2021). Macroalgae derived biohydrogen production: Biorefinery and circular bioeconomy.. Biomass Conversion and Bioreinery. DOI: 10.1007/s13399-020-01187-x

67.

Sharma, M. K., Tyagi, M. K., Singh, N. K., Singh, S. P. and Kazmi, A. A. (2021). Sustainable technologies for on-site domestic wastewater treatment: a review with technical approach. Environment, Development and Sustainability. DOI: 10.1007/s10668-021-01599-3

68.

Tyagi, V. K., Ali, M., Tawfik, A., Maharjan, N., Kazmi, A. A., Okubo, T. and Harada, H. (2021). Future perspectives of energy saving down-flow hanging sponge (DHS) technology for wastewater valorization—a review. Reviews in Environmental Science and Bio/ Technology. DOI: 10.1007/s11157-021-09573-1

69.

Srivastava, G., Rajpal, A., Khursheed, A., Nadda, A. K., Tyagi, V. K. and Kazmi, A. A. (2021). Influence of Variations in Wastewater on Simultaneous Nutrient Removal in a Pre-anoxic Selector Attached Full-scale Sewage Treating SBR. Research Square. DOI: 10.21203/rs.3.rs-214129/v1

70.

Nguyen, L., Kumar, J., Vu, M. T., Mohammed, J. A. H., Pathak, N., Commault, A. S., Sutherland, D., Zdarta, J., Tyagi, V. K. and Nghiem, L. D. (2021). Biomethane production from anaerobic co-digestion at wastewater treatment plants: A critical review on development and innovations in biogas upgrading techniques.. Science of the Total Environment. DOI: 10.1016/j.scitotenv.2020.142753

71.

Ahmed, B., Tyagi, V. K., Kazmi, A. A. and Khursheed, A. (2022). New insights into thermal-chemical pretreatment of organic fraction of municipal solid waste: Solubilization effects, recalcitrant formation, biogas yield and energy efficiency. Fuel. DOI: 10.1016/j.fuel.2022.123725

72.

Ali, M. R., Gahlot, P., Moustakas, K., Kazmi, A. A., Ojha, C. S. P. and Tyagi, V. K. (2022). Pretreatment methods to enhance solubilization and anaerobic biodegradability of lignocellulosic biomass (wheat straw): Progress and challenges. Fuel. DOI: 10.1016/j.fuel.2022.123726

73.

Ahmed, B., Tyagi, S., Rahmani, A. M., Kazmi, A. A., Varjani, S. and Tyagi, V. K. (2022). Novel insight on ferric ions addition to mitigate recalcitrant formation during thermal-alkali hydrolysis to enhance biomethanation. Science of the Total Environment. DOI: 10.1016/j.scitotenv.2022.154621

74.

Kumar, M., Jiang, G., Thakur, A. K., Chatterjee, S., Bhattacharya, T., Mohapatra, S., Chaminda, T., Tyagi, V. K., Vithanage, M., Bhattacharya, P., Nghiem, L. D. Sarkar, D., Sonne, C. and Mahlknecht, J. (2022). Lead time of early warning by wastewater surveillance for COVID-19: geographical variations and impacting factors. Chemical Engineering Journal. DOI: 10.1016/j.cej.2022.135936

75.

Chandel, N., Ahuja, V., Gurav, R., Kumar, V., Tyagi, V. K., Pugazendhi, A., Kumar, G., Yan, Y. H. and Bhatia, S. K. (2022). Progress in microalgal mediated bioremediation systems for the removal of antibiotics and pharmaceuticals from wastewater. Science of the Total Environment. DOI: 10.1016/j.scitotenv.2022.153895

76.

Preethi, Banu, R., Varjani, S., Sivashanmugam, P., Tyagi, V. K. and Gunasekaran, M. (2022). Breakthrough in hydrolysis of waste biomass by physico-chemical pretreatment processes for efficient anaerobic digestion.. Chemosphere. DOI: 10.1016/j.chemosphere.2022.133617

77.

Balasundaram, G., Banu, R., Varjani, S., Kazmi, A. A. and Tyagi, V. K. (2022). Recalcitrant compounds formation, their toxicity, and mitigation: Key issues in biomass pretreatment and anaerobic digestion.. Chemosphere.. DOI: 10.1016/j.chemosphere.2021.132930

78.

Gondi, R., Kavitha, S., Kannah, Y. R., Karthikeyan, O. P., Kumar, G., Tyagi, V. K. and Banu, R. (2022). Algal-based system for removal of emerging pollutants from wastewater: A review.. Bioresource Technology. DOI: 10.1016/j.biortech.2021.126245

79.

Suthar, S., Sharma, B., Kumar, K., Banu, R. and Tyagi, V. K. (2022). Enhanced biogas production in dilute acid-thermal pretreatment and cattle dung biochar mediated biomethanation of water hyacinth. Fuel. DOI: 10.1016/j.fuel.2021.121897

80.

Ahmed, B., Tyagi, S., Banu, R., Kazmi, A. A. and Tyagi, V. K. (2022). Carbon based conductive materials mediated recalcitrant toxicity mitigation during anaerobic digestion of thermo-chemically pre-treated organic fraction of municipal solid waste. Chemosphere. DOI: 10.1016/j.chemosphere.2021.132682

Research Projects

Sort by Year (Ascending)

1. Title:- Anaerobic Co-Digestion of Organic Fraction of Municipal Solid Waste and Sewage Sludge Effect of the Thermo-Chemical Pretreatment on Process Performance and Microbial Community Development
Sponsor: Department of Biotechnology (DBT)	Sanctioned Year: 2018-19	Amount: ₹ 103.60 Lakhs	Role: PI

2. Title:- SARASWATI 2.0-Identifying best available technologies for decentralized wastewater treatment and resources recovery for India
Sponsor: Department of Science & Technology (DST)	Sanctioned Year: 2020-21	Amount: ₹ 160.77 Lakhs	Role: PI

3. Title:- Characterization of dewatered sewage sludge from co-treatment and fecal sludge from FSTP- A driver for improved sanitation
Sponsor: National Institute of Urban Affairs (NIUA)	Sanctioned Year: 2021-22	Amount: ₹ 11.80 Lakhs	Role: PI

4. Title:- Comprehensive characterization of variably processed sewage sludge in Ganga basin to classify its suitability for safe disposal
Sponsor: Central Pollution Control Board (CPCB)	Sanctioned Year: 2022-23	Amount: ₹ 58.11 Lakhs	Role: PI

Membership

S. No.	Membership
1.	Member, International Water Association (IWA), UK
2.	Lifetime Member: Applied and Natural Science Foundation, India
3.	Member, State Ganga Committee (SGC) under the chairmanship of Chief Secretary, Government of Uttarakhand
4.	Member, Management Committee of the IWA Sludge Management Specialist Group (SMSG)
5.	Member, Scientific Committee of International Conference on Water, Informatics, Sustainability and Environment (iWISE2019), Carleton University, Ottawa, Canada. August 7-9, 2019
6.	Member, Scientific Committee of International Conference on Water, Informatics, Sustainability and Environment (iWISE2017), Carleton University, Ottawa, Canada. July 3-5, 2017
7.	Reviewer, International Conference on Water Resource and Environment (WRE2016) July 23rd - 26th, 2016, Shanghai, China
8.	Member, Scientific Committee of the Ajman 4th International Environment Conference 2016
9.	Member, Editorial Board of International Journal of Environment and Sustainability
10.	Member, D*STAR project on UASB-DHS Integrated System: A sustainable Sewage treatment technology, Tohoku University, Japan
11.	Session Chairman (Green Buildings), COGNIZANCE 2009, IIT Roorkee, India
12.	Member, Editorial Board of Environmental Science and Ecotechnology Journal published by Elsevier

Book / Book Chapters

Tyagi, V. K. and Lo, Shang-Lien (2016). Energy & resource recovery from sludge (Chapter).

Gurjar, B. R. and Tyagi, V. K. (2017). Sludge Management. CRC Press. ISBN 9781138029545 - CAT# K29566

Sharma, M. K., Tyagi, V. K. and Kazmi, A. A. (2019). Performance Appraisal of Filter-Based Sanitation System for Onsite Treatment of Domestic Wastewater (Chapter). 2363-7633; ISBN 978-981-32-9770-8

Gaur, R. Z., Owaes, M., D’Silva, T. C., Hasan, M. N., Mutiyar, P. K., Khan, A. A. and Tyagi, V. K. (2019). Micro-aerobic technologies for UASB effluent polishing: An overview (Chapter).

Ng, W. J., KeKe, X., Tyagi, V. K., Chaozhi, P. and Soon, P. L. (2019). Food Waste and Biomass Recovery. Agriculture and the Environment (Chapter) in Oxford Research Encyclopedia of Environmental Science.

Tyagi, V. K., Khan, A. A., Ng, W. J., Khursheed, A. and Kazmi, A. A. (2019). Post-treatment of anaerobically treated effluents. ISBN: 9781780409733

Bhatia, A., Rajpal, A., Sahoo, V., Tyagi, V.K. and Kazmi, A.A. (2020). Environmental Assessment and Implementation of Mitigation Plan to Protect the Environment: A Case Study of New Nizamuddin Bridge Project, Delhi (India).. Springer Nature

Tyagi, V. K. and Aboudi, K. (2021). Clean Energy and Resources Recovery : Biomass Waste based Biorefineries. 9780323852234 Elsevier

Tyagi, V. K., Kumar, M., Alicia, K. J. and An, Z. C. (2021). Clean Energy and Resource Recovery: Wastewater Treatment Plants as Biorefineries.. 978-0323901789 Elsevier

10.

Tyagi, V. K. and Aboudi, K. (2021). Clean Energy and Resource Recovery: Biomass Waste based Biorefineries. 978-0323852234 Elsevier

11.

Qadri, R. Z. Z., Ali, M., Rajpal, A., Kazmi, A. A., Tawfik, A. and Tyagi, V. K. (2021). Anaerobic Wastewater Treatment for Energy Recovery and Water Reclamation.. 978-0323901789 Elsevier

12.

Tawfik, A. and Tyagi, V. K. (2021). Self-Sustainability of Anaerobic Digestion for Conversion of Water Hyacinth into Value Added Bio-Fuels.. 978-0323852234 Elsevier

13.

Tawfik, A. and Tyagi, V. K. (2021). Production of High Value-Added Amino Acids and Biofuels (H2&CH4) from Gelatinous Industry Wastewater Via Anaerobic Bio-Degradation Process.. 978-0323852234 Elsevier

14.

Aboudi, K. Ahmed, B., Tyagi, V. K. and Lier J. V. (2021). Kaoutar Aboudi, Banafsha Ahmed, Vinay Kumar Tyagi, Jules van Lier (2021) Occurrence and Fate of Recalcitrant in Anaerobic Treatment of Wastewater and Organic solid waste.. 978-0323852234 Elsevier

15.

Gahlot, P., Aboudi, K., Ahmed, B., Tawfik, A., Khan, A. A., Khursheed, A. and Tyagi, V. K. (2021). Direct interspecies electron transfer (DIET) via conductive materials in anaerobic digestion of organic wastes.. 978-0323852234 Elsevier

16.

Aboudi, K., Fernández-Güelfo, L. A., Ahmed, B., Tyagi, V. K., Álvarez-Gallego, C. J. and Romero-García, L. I. (2021). Integral valorization of residual biomass: Hydrogen, polyhydroxyalkanoates, and compost production.. 978-0323852234 Elsevier

17.

Aboudi, K., Fernández-Güelfo, L. A., Álvarez-Gallego, C. J., Ahmed, B., Tyagi, V. K. and Isidoro, L. Romero-García (2021). Polyhydroxyalkanoates production from algal biomass.. 978-0323852234 Elsevier

18.

Ahmed, B., Tiwari, S., Naseem, A., Kazmi, A. A., Khursheed, A. and Tyagi, V. K. (2021). Thermal pre-treatment of Organic fraction of municipal solid waste. 10.1007/978-981-15-9593-6 Springer Nature

M. Tech. Dissertations

Sort by Year (Ascending)

S. No.	Project Title	Student Name	Co-Supervisor	Degree	Year
1.	Effect of GAC and Biochar on Biogas Productivity in the Thermophilic Anaerobic Digestion of Wheat Husk	Satya Brat Tiwari	Prof. Absar Ahmad Kazmi	PG	2020

Research Scholars

Sort by Year (Ascending)

S. No.	Topic	Scholar Name	Registration Year	Co-Supervisor
1.	Biomining of Solid waste	Mandeep Singh	2020	Dr. Vinay Kumar Tyagi

Ph.D. Supervised

Sort by Year (Ascending)

S. No.	Topic	Scholar Name	Status	Awarded Year
1.	Thermal pretreatment enhanced anaerobic co-digestion of Organic Fraction of Municipal Solid Waste and Sewage Sludge	Banafsha Ahmed	Awarded	2023
2.	Thermal Hydrolysis Pretreatment of Sewage Sludge	B. Gowtham Balasundaram	Awarded	2024

Visits To Outside Institutions

S. No.	Visiting Institute	Purpose of Visit	Start Date	End Date
1.	Asian Institute of Technology, Bangkok, Thailand	Conference	07/Nov/2007	09/Nov/2007
2.	Universiti Sains Malaysia	Conference	16/Dec/2008	17/Dec/2008
3.	National Taiwan University, Taipei, Taiwan	Work	01/Jan/2011	28/Feb/2013
4.	University of Tokyo, Japan	Conference	07/Dec/2012	10/Dec/2012
5.	University of Cádiz, Spain	Work	01/Mar/2013	15/Nov/2013
6.	Tohoku University, Japan	Work	01/Dec/2013	15/Jan/2015
7.	Nanyang Technological University (NTU), Singapore	Work	01/Apr/2016	31/Mar/2018
8.	Delft University of Technology, The Netherlands	Conference	23/Jun/2019	26/Jun/2019

Special Lectures Delivered

S. No.	Title	Organisation
1.	Sewage treatment by Anaerobic technology (UASB) in India	Indian Institute of Technology Roorkee
2.	Plenary lecture on “Is there any potential for utilizing the resources in sludge"	Jaipur, India
3.	Expert lecture on Sludge: Waste to Resource Recovery	Delhi Technological University, Delhi, India
4.	Post treatment routes for UASB reactor effluent	Indian Institute of Technology Roorkee, India
5.	Sludge: Waste to resource recovery	TERI University, New Delhi
6.	Wastewater and Sludge Treatment: State-of-the-art	Doon University, Dehradun
7.	Health Related Water Microbiology	Indian Institute of Science Education and Research (IISER) Mohali, Chandigarh
8.	Wastewater Microbiology/Monitoring and Sampling of Sewage Treatment Plant	Continuing Education Centre, IIT Roorkee
9.	Wastewater Microbiology/Monitoring and Sampling of Sewage Treatment Plant	Continuing Education Centre, IIT Roorkee
10.	Microbiological Sampling and Analysis	Continuing Education Centre, IIT Roorkee
11.	Wastewater Microbiology/Monitoring and Sampling of Sewage Treatment Plant	Continuing Education Centre, IIT Roorkee
12.	Pathogens in Water and Wastewater	Continuing Education Centre, IIT Roorkee
13.	Wastewater Microbiology	Department of Civil Engineering, IIT Roorkee

Conference Publication

Sort by Year (Ascending)

Tyagi, V. K., Durgapal, N. C., Sharma, C. S. and Kumar, A. (2004). Performance Study of Common Effluent Treatment Plant at Delhi with special reference to Effluent Toxicity Reduction using Daphnia Magna as Test Organism. 11th National Symposium on Hydrology with Focal Theme on Water Quality Monitoring, Modeling and Prediction. Place: Roorkee, India Page No: 505-5013

Tyagi, V. K., Kazmi, A. A. and Kumar, A. (2005). A Study on Coliform Removal in Activated Sludge Plants Operating in India. Third International Symposium of South East Asian Water Environment. Place: Bangkok, Thailand Page No: 227-235

Tyagi, V. K., Kazmi, A. A. and Kumar, A. (2006). Activated Sludge Process Control Strategies for Enhanced Coliform Removal. Fourth International Symposium of South East Asian Water Environment. Place: Bangkok, Thailand Page No: 56-60

Tyagi, V. K., Kazmi, A. A., Prakash, K. J. and Kumar, A. (2006). UASB Post Treatment by Coagulation-Flocculation Process. Fourth International Symposium of South East Asian Water Environment. Place: Bangkok, Thailand Page No: 163-170

Tyagi, V. K., Kazmi, A. A. and Chopra, A. K. (2007). A Comparative Study of the Protozoan Community in Two Activated Sludge Plants. Fifth International Symposium of South East Asian Water Environment. Place: Chiang Mai, Thailand Page No: 168-175

Singh, Y. K., Kalamdhad, A. S., Tyagi, V. K. and Kazmi, A. A. (2007). Wastewater Characterization of Coal Fired Thermal Power Plants in India. Fifth International Symposium of South East Asian Water Environment. Place: Chiang Mai, Thailand Page No: 161-164

Tyagi, V. K. and Kazmi, A. A. (2007). UASB Fate of fecal indicators and pathogens in an oxidation pond system operating in northern India. International Symposium on Health Related Water Microbiology. Place: Tokyo, Japan Page No: 176

Tyagi, V. K., Kazmi, A. A. and Chopra, A. K. (2008). Improvement of Coagulation Flocculation Process by Anionic Polyelectrolyte for the post treatment of Anaerobic Reactor Effluent. International Conference on Environment 2008. Place: Penang, Malaysia Page No: 1-9

Tyagi, V. K., Kazmi, A. A. and Chopra, A. K. (2008). Coliforms and Pathogen Removal Efficiencies of Various Municipal Wastewater Treatment Processes in India. Sixth International Symposium of South East Asian Water Environment. Place: Bandung, Indonesia Page No: 151-160

10.

Chopra, A. K., Tyagi, V. K. and Kazmi, A. A. (2008). Coliforms and Organic Pollutant Removal Efficiency of Slow Sand Filter Treating Anaerobic Reactor Effluent. 4th International Conference on Environmental Science and Technology. Place: Texas, USA

11.

Tyagi, V. K., Khan, A. A., Kazmi, A. A. and Mehrotra, I. (2008). Post Treatment of UASB Reactor Effluent by Slow Sand Filtration. International Conference on Waste Engineering & Management. Place: Hongkong Page No: 102

12.

Kannan, S., Singhal, S. K., Kazmi, A. A. and Tyagi, V. K. (2008). Selection of Appropriate Sewage Treatment Technology in India: A Case Study. International Conference on Waste Engineering & Management. Place: Hongkong Page No: 114

13.

Tyagi, V. K., Khan, A. A., Khursheed, A. and Kazmi, A. A. (2008). Feasibility of Continuously flow Sequencing Batch Reactor Treating Municipal Wastewater. 3rd Uttarakhand Science & Technology Congress. Place: Roorkee, India Page No: 184

14.

Tyagi, V. K., Khan, A. A. Khursheed, A., Kazmi, A. A. and Mehrotra, I. (2008). Operation of UASB reactor for sewage treatment under reduced sludge synthesis. National Symposium of Water Resources in India: Concerns, Conservation and Management. Place: Srinagar, India Page No: 60

15.

Khursheed, A., Khan, A. A., Tyagi, V. K. and Kazmi, A. A. (2009). A Study on organics, nutrients, coliforms removal and sludge reduction in continuous flow and intermittently decant sequencing batch reactor. First International Conference on Advances in Wastewater Treatment and Reuse. Place: Tehran, Iran Page No: 325

16.

Khursheed, A., Khan, A. A., Tyagi, V. K. and Kazmi, A. A. (2009). Coliforms, organics, nutrients removal and sludge reduction in continuous flow sequencing batch reactor. Seventh International Symposium of South East Asian Water Environment. Place: Bangkok, Thailand

17.

Khursheed, A., Gaur, R. Z., Bhatia, A., Khan, A. A., Tyagi, V. K. and Kazmi, A. A. (2010). Effects of High Bulk Liquid DO on the Performance of Continuous Fed Sequencing Batch Reactor. International Conference on Emerging Technologies for Sustainable Environment. Place: Aligarh, India Page No: 749-755

18.

Tyagi, V. K., Gaur, R. Z., Bhatia, A, Khan, A. A., Ali, M., Khursheed, A. and Kazmi, A. A. (2010). Effects of Holi (Festival in India) Colors on the Performance of 18 MLD Sewage Treatment System in India. Eighth International Symposium on Southeast Asian Water Environment. Place: Phuket, Thailand

19.

Tyagi, V. K., Bhatia, A., Gaur, R. Z., Ali, M., Khan, A. A., Khursheed, A. A., Kazmi, A. A. and Khan, A. A. (2010). Effects of Shock Toxic Load on Activated Sludge Process. 3rd International Congress of Environmental Research. Place: Reduit, Mauritius Page No: 789

20.

Khan, A. A., Tyagi, V. K., Kazmi, A. A., Mehrotra, I. and Lo, Shang Lien (2011). Removal of pathogenic indicator in diffused aeration system treating UASB reactor effluent. 20th KAIST-KU-NTU-NUS (KKNN) Seminar on Environmental Engineering. Place: Taipei, Taiwan

21.

Khan, A. A., Gaur, R. Z., Tyagi, V. K., Lew, B., Diamantis, V., Mehrotra, I. and Kazmi, A. A. (2011). Fecal Coliforms Removal from the Effluent of UASB Reactor Treating Sewage through Aerobic Post treatment (Continuous Aeration) System. IWA Specialist Conference on Water and Industry. Place: Valladollid, Spain Page No: 12

22.

Khursheed, A., Tyagi, V. K., Khan, A. A., Gaur R. Z., Bhatia, A., Ali, M., Sharma, M., Kazmi, A. A, and Lo, S. L. (2011). Operation and Maintenance of Sewerage Systems: Present Challenges and Possible Alternatives- An Indian Experience. 8th International Conference on Urban Watershed Management. Place: Beijing, China Page No: 41

23.

Sukanya, P., Madan, S., Bhatia, A., Tyagi V. K. and Kazmi A. A. (2011). Limnological and Hydrobiological studied of Jheels at Lucknow. 1st World Congress for Man and Nature, Global Climate Change and Biodiversity conservation: Inventories of Research. Place: Haridwar, India Page No: 45

24.

Tyagi, V. K. and Lo, Shang Lien (2012). Mesophilic aerobic digestion of waste activated sludge pretreated by hybrid microwave-alkali method. 4th IWA Asia-Pacific Young Water Professionals Conference. Place: Tokyo, Japan Page No: 152-154

25.

Tyagi, V. K., Bhatia, A., Gaur, R. Z., Khan, A. A., Muntajir, A., Khursheed, A. and Kazmi, A. A. (2012). Effect of Mass Bathing on Water Quality of River Ganges and Consequential Health Risks during 2010 Maha Kumbh Festival. Proceedings of 10th International Symposium on Southeast Asian Water Environment. Place: Hanoi, Vietnam

26.

Khursheed, A., Sharma, M., Tyagi, V. K., Kazmi, A. A. (2013). It is SOUR Gradient, which is responsible for Sludge Reduction in OSA Process. IWA Holistic Sludge Management Conference. Place: Vasteras, Sweden Page No: 1-11

27.

Tyagi, V. K. and Lo, S. L. (2013). Ultrasonically triggered aerobic digestion of waste activated sludge: A novel approach for sludge minimization. 1st International Forum on Asian Water Environment Technology. Place: Delhi, India Page No: 24-25

28.

Tyagi, V. K. and Lo, S. L. (2013). Enhancement in anaerobic digestion of paper mill secondary sludge by chemically combined microwave and ultrasonic pretreatments. IWA Holistic Sludge Management Conference. Place: Vasteras, Sweden Page No: 1-9

29.

Bhatia, A., Shri Om, Tyagi, V. K. and Kazmi, A. A. (2013). Performance evaluation of Sequencing Batch Reactor based STPs in Maharashtra State. National Seminar on Emerging Trends in Sewerage and Sewage Treatment. Place: Thane, Mumbai Page No: 33-36

30.

Khursheed, A., Sharma, M., Gaur, R. Z., Khan, A. A., Tyagi, V. K. and Kazmi, A. A. (2016). Reduced Sludge Growth at High Bulk Liquor DO Induced by Increased Maintenance. 8th International Conference on Environmental Science and Technology. Place: Houston, USA

31.

Chaudhary, P., Hasan, B., Gaur, R. Z., Suthar, S., Tyagi, V. K., Khan, A. A., Khursheed, A. and Kazmi, A. A. (2017). Operation and maintenance issues with full-scale UASB reactors treating sewage in India. International Symposium of Sustainable Urban Environment. Place: Assam, India Page No: 69-70

32.

Khursheed, A., Tyagi, V. K., Sharma, M., Gaur, R.Z., Khan, A. A. and Kazmi, A. A. (2017). Conflict Resolution of Enhanced Biological Phosphate Removal and Sludge Reduction in Oxic-Settling-Anaerobic (OSA) SBR. International Symposium of Sustainable Urban Environment. Place: Assam, India Page No: 73-74

33.

Nomoto, N., Tyagi, V. K., Ali, M., Jayaswal, K., Maharajan, N., Iguchi, A., Hatamoto, M., Okubo, T., Takahashi, M., Kunota, K., Tagawa, T., Uemura, S., Yamaguchi, T. and Harada, H. (2017). Characteristics of Start-up for Practical Scale DHS Reactor in India. International Conference of Science of Technology Innovation. Place: Nagaoka, Japan

34.

Tyagi, V. K. and Zhou, Y. (2019). Innovative approach towards the bio-stimulation of anaerobic digestion processes by low intensity ultrasonication. IWA 16th Anaerobic Digestion Conference. Place: The Netherlands

35.

Tyagi, V. K. (2019). Is there any potential for utilizing the resources in sludge?. National Conference on Biotechnology and Environment for Susutainable Development. Place: Jaipur, India Page No: 40

36.

Ahmed, B., Tyagi, V. K. and Kazmi, A. A. (2020). Optimization of process parameters for enhancing biogas yield from anaerobic co-digestion of OFMSW and sewage sludge. 3rd International Conference on Waste Management. Place: Assam (Guwahati), India

37.

Tiwari, S. B., Ahmed, B., Tyagi, V. K. and Kazmi, A. A. (2020). Enhancing anaerobic co-digestion of wheat husk-sewage sludge-cattle manure mix using carbon based conductive materials. 3rd International Conference on Waste Management. Place: Assam (Guwahati), India

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