Civil Engineering Department

Life Cycle Analysis, Various System
Algae Based Waste Water Treatment (suspended and attached growth system), Value Added Products Recovery, Algal Bioenergy, Tertiary treatment of municipal wastewater (pathogen, emerging pollutants), Landfill management
Electro Chemistry

Life Cycle Analysis, Various System

Algae Based Waste Water Treatment (suspended and attached growth system), Value Added Products Recovery, Algal Bioenergy, Tertiary treatment of municipal wastewater (pathogen, emerging pollutants), Landfill management

Electro Chemistry

Award	Awarding Organisation	Year
Travel Award	Society of Risk Assessment, USA	2005
Travel Award	SETAC, North America	2007
Travel Award	SETAC North America	2008
Undergraduate Merit Scholarship	MNNIT	1994
Undergraduate Merit Scholarship	MNNIT	1997

From	To	Designation	Organisation
Dec-2021	continuing	Associate Professor	IITR
2014	Dec-2021	Assistant Professor	Indian Institute of Technology, Roorkee
2013	2014	Postdoctoral Researcher	Dept of Mechanical Engineering, University of Coimbra, Portugal
2009	2011	Postdoctoral Researcher	Dept of Chemical and Environmental Engineering, University of Toledo
1998	1998	Engineer In Trainee	Gammon India Ltd.

Degree	Subject	University	Year
Ph.D.	Civil Engineering	University of Toledo, USA	2009
M.A.Sc.	Civil Engineering	The University of British Columbia, Vancouver	2005
M. Tech.	Civil Engineering	Indian Institute of Technology, Roorkee	2001
B. Tech.	Civil Engineering	MNNIT, Allahabad	1998

Sort by Year (Ascending)

1.

Chowdhury, R. and Mehrotra, I. (2004). Minimization of Short-Circuiting Flow through the Sludge Bed of UASB Reactor. Journal of Environmental Engineering. DOI: 10.1061/(ASCE)0733-9372(2004)130:9(951)

2.

Chowdhury, R., Apul, D. and Fry, T. (2010). A life cycle based environmental impact assessment of construction materials used in road construction. Resource Conservation and Recycling. DOI: 10.1016/j.resconrec.2009.08.007

3.

Chowdhury, R. Atwater, J. Ken H. and Parkinson, P (2011). Sorption of endosulphan sulphate in soil organic matter. Environmental Technology. DOI: 10.1080/09593330.2011.567300

4.

Chowdhury, R. Viamajala, S. and Gerlach, R. (2012). Reduction of environmental and energy footprint of microalgal biodiesel production through material and energy integration. Bioresource Technology. DOI: 10.1016/j.biortech.2011.12.099

5.

Chowdhury, R. Atwater, J. W. and Hall, J. K. (2014). The role of soil humic and fulvic acid in the sorption of endosulfan (alpha and beta). Journal of Chemistry and Ecology. DOI: 10.1080/02757540.2014.917171

6.

Chowdhury, R. and Freire, F. (2015). Bioenergy production from algae using dairy manure as a nutrient source: Life cycle energy and greenhouse gas emission analysis . Applied Energy . DOI: 10.1016/j.apenergy.2015.05.045

7.

Chowdhury, R. and Franchetti, M. (2016). Life cycle energy demand from algal biofuel generated from nutrients present in the dairy waste . Sustainable Production and Consumption, Official journal of the European Federation of Chemical Engineering: Part E. DOI: 10.1016/j.spc.2016.07.001

8.

Chowdhury, R. (2017). Using adsorption and sulphide precipitation as the principal removal mechanisms of arsenic from a constructed wetland – a critical review. Journal of Chemistry and Ecology. DOI: 10.1080/02757540.2017.1328504

9.

Chowdhury, R., Sadhukhan, J., Traverso, M. and Keen, P. L. (2018). Effects of residence time on life cycle assessment of bioenergy production from dairy manure. Bioresource Technology Reports, 4. DOI: 10.1016/j.biteb.2018.08.011

10.

Chowdhury, R., Keen, P. L. and Tao, W. (2019). Fatty acid profile and energy efficiency of biodiesel production from an alkaliphilic algae grown in the photobioreactor. Bioresource Technology Reports, 6. DOI: 10.1016/j.biteb.2019.03.010

11.

Rani S., Chowdhury, R., Tao, W. and Srinivasan, A. (2020). Tertiary treatment of municipal wastewater using isolated algal strains: treatment efficiency and value-added products recovery. Chemistry and Ecology. DOI: 10.1080/02757540.2019.1688307

12.

Dahiya, S., Shilpie, A., Balasundaram, G., Chowdhury, R., Kumar, P. and Mishra, A. K (2021). Diversity of algal species present in waste stabilization ponds and different factors affecting its enrichment and phototaxis. Chemistry and Ecology. DOI: 10.1080/02757540.2021.1910242

13.

Dahiya S, Chowdhury R, Tao W, Kumar P (2021). Biomass and Lipid Productivity by Two Algal Strains of Chlorella sorokiniana Grown in Hydrolysate of Water Hyacinth. Energies. DOI: 10.3390/en14051411

14.

Rani, S., Chowdhury, R., Tao, W. and Nedbalová, L. (2021). Microalga-Mediated Tertiary Treatment of Municipal Wastewater: Removal of Nutrients and Pathogens. Sustainability. DOI: 10.3390/su13179554

15.

Verma, S., Chowdhury, R., Das, S. K., Franchetti, M. J. and Liu, G. (2021). Sunlight Intensity, Photosynthetically Active Radiation Modelling and Its Application in Algae-Based Wastewater Treatment and Its Cost Estimation. Sustainability. DOI: 10.3390/su132111937

16.

Dahiya, S., Chowdhury, R., Kumar, P., Ghosh, S. and Srinivasan, A. (2022). Recovery of Sugar and Nutrients from Algae and Colocasia esculenta (Taro) Leaves Using Chemical Hydrolysis. Sustainability. DOI: 10.3390/su142416383

17.

Chowdhury, R., Caetano, N., Franchetti, M. J. and Hariprasad, K. S. (2023). Life Cycle Based GHG Emissions from Algae Based Bioenergy with a Special Emphasis on Climate Change Indicators and Their Uses in Dynamic LCA: A Review. Sustainability. DOI: 10.3390/su15031767

18.

Raja Chowdhury, Vivek Agarwal (2024). Mathematical Models and Dynamic Global Warming Potential Calculation for Estimating the Role of Organic Amendment in Net-Zero Goal Achievement. Energies. DOI: 10.3390/en17194819

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1. Title:- Polyphasic assessment of diversity of phototrophic microorganisms from cold environments and its bioprospecting potential
Sponsor: DST, India (with Czech republic)	Sanctioned Year: 2020-21	Amount: ₹ 25.69 Lakhs	Role: Co-PI

2. Title:- Effects of Sludge modification on treatment efficiency of algae-based wastewater treatment: Batch and continuous study and sustainability assessment of the same as an emerging technology
Sponsor: SERB (CRG) - DST	Sanctioned Year: 2021-22	Amount: ₹ 32.00 Lakhs	Role: PI

Designation	Organisation	From Period	To Period
Member, Dept Library committee	IITR	2014	2016
Dept time table committee	IITR	2016	2018
OC MTech (Environmental Engineering)	IITR	2020	2022
OC MTech (Environmental Engineering)	IITR	2020	2022
Member Dept academic Committee	IITR	2020	2022
Member, Time Table Committee	IITR	2020	2022
Member, Dept Placement committee	IITR	2020	2022

S. No.	Membership
1.	International society of industrial Ecology,
2.	Committee member, International panel of developing LCA of emerging technologies (governing society: SETAC/ACLCA)
3.	Committee member, International panel of developing LCA of emerging technologies (governing society: SETAC/ACLCA)

1.

Chowdhury, R., Apul, D. and Dwyer, D. (2008). Preliminary studies for designing a wetland for arsenic treatment. Nova Science Publishers, Inc

2.

Varun, S., Chowdhury, R. and Sadhukhan, J. (2017). Sustainable Utilization of Natural Resources: Optimization of Life Cycle Net Energy of Algal Biofuel Production. CRC Press

Sort by Year (Ascending)

S. No.	Project Title	Student Name	Co-Supervisor	Degree	Year
1.	Water Requirement and Acidification Potential of Algal Biofuel production	Shubham Patel		PG	2015
2.	MODELING OF HYDROTHERMAL LIQUEFACTION PROCESS TO OBTAIN ENERGY REQUIREMENTS AND YIELD OF DIFFERENT PRODUCTS	Hemant Chandola		PG	2015
3.	LIFE CYCLE ASSESSMENT OF BRICKS AND EVALUATION OF VARIOUS GREEN BUILDINGS RATING SYSTEMS FOR INDIAN CONDITIONS	Lokesh Verma		PG	2015
4.	VARIABILITY OF GHG EMISSION FROM RESIDUE OF ALGAE BIOREFINERY	Deepak Suyal		PG	2015
5.	Algae Based Wastewater Treatment	Harshad Rathod	Dr. B R Gurjar	PG	2015
6.	removal of trace organics using algae	Khusbhu Sharma	Dr. Raja Chowdhury	PG	2016
7.	INPUT-OUTPUT ANALYSIS OF ALGAL BIOENERGY SYSTEM	Varun Sanwal		PG	2016
8.	Development of appropriate reference system for the waste nutrients based algal biorefineries	Kapil Mamtani		PG	2016
9.	MEASUREMENT AND MODELLING OF SUNLIGHT INTENSITY AND ITS APPLICATION IN ALGAE BASED WASTEWATER TREATMENT	Saumya Verma		PG	2019
10.	Kinetic modelling of algae-based wastewater treatment	Singh S		PG	2021
11.	Carbon sequestration potential through food and food products	Vikas Agrawal		PG	2022
12.	Life cycle assessment of dimethyl ether produced from algae grown in wastewater	Vaibav Panchore		PG	2022
13.	Carbon footprint assessment of Indian coal fired power plants	S Kumar		PG	2022
14.	Algae sludge amended wastewater treatment	Sahil Tanwar		PG	2023
15.	Decarbonization of Indian transportation sector: some pathway analysis	Praveen Kumar		PG	2025
16.	PERFORMANCE ANALYSIS OF ALGAE SPECIES FOR MUNICIPAL WASTEWATER TREATMENT UNDER NITRIFICATION SUPPRESSION CONDITION	Avinash Anand		PG	2026

Sort by Year (Ascending)

S. No.	Topic	Scholar Name	Status	Awarded Year
1.	Tertiary Wastewater Treatment through Microalgae and Seperation of its Value Added products	Swati Rani	Awarded	2020
2.	Resource Recovery from wastewater through algal biomass & its beneficial uses	Swati Dahiya	Awarded	2021

S. No.	Course Name	Course Code	Class Name	Semester & Year
1.	Numerical Methods and Computer Programming (Practical)	CEN-103	UG	Autumn Semester 2020-21
2.	Introduction to Environmental Studies	CEN-105	UG	Autumn Semester 2020-21
3.	Water Supply Engineering	CEN-209	UG	Autumn Semester 2023-24
4.	Building Services	CEN-394	UG	Spring Semester 2020-21
5.	Training Seminar	CEN-499	UG	Autumn Semester 2023-24
6.	Environmental Chemistry	CEN-504	PG	Autumn Semester 2020-21
7.	Environmental Chemistry	CEN-504	PG	Autumn Semester 2023-24

S. No.	Title	Organisation	Date
1.	Algal Biorefinery	Department of Chemical Engineering, IIT, Roorkee
2.	Life Cycle assessment	Department of Chemical Engineering, IIT, Roorkee
3.	Wetland based wastewater treatment	Dept of Civil Engineering, IIT, Roorkee	21-Jul-2015
4.
5.	Sustainability Assessment using Life Cycle Analysis: Some Examples	Dept. of Civil Engineering, Indian Institute of Technology, Roorkee	27-Mar-2017
6.	Sustainability assessment of algal bioenergy system	Indian Institute of Petroleum, Dehradun, India	23-Oct-2017
7.	Bioenergy Production from Algae and its Sustainability assessment	University of energy Petroleum studies, Dehradun,India	26-Oct-2017
8.	Sustainability assessment a data intensive approach	Indian Institute of Technology, Kharagpur	07-Mar-2018

Sort by Year (Ascending)

1.

Chowdhury, R. and Apul, D.S. (2005). A decision making tool for managing industrial byproducts using life cycle assessment and multi criteria decision analysis. Annual Meeting, Society of Risk Analysis, Orlando, Fl. Place: Orlando, Fl, USA

2.

Chowdhury, R. and Apul, D.S. (2006). Comparison of different conventional materials and industrial byproducts used in base construction of a road using life cycle assessment approach. Annual meeting, SETAC North America, Montreal. Place: Montreal, Canada

3.

Chowdhury, R., and Atwater, J (2006). Sorption of Endosulfan and Endosulfan sulfate in soil organic matter.. , Annual meeting, SETAC North America, Montreal. Place: Montreal, Canada

4.

Apul, D.S., Chowdhury, R. and Anand, C (2007). Beneficial Reuse Models of Life Cycle Assessment (LCA) and Multi Criteria Decision Analysis (MCDA) for Byproduct Reuse in Road Construction,. Association of Environmental Engineering and Science Professors) AEESP Biannual conference, Blacksburg, VA, July 2007.. Place: Blacksburg, VA

5.

Apul, D.S., Chowdhury, R. and Anand, C (2007). A web-based model for comparing the environmental impacts of using recycled versus natural materials in road construction. Ohio Transportation Engineering Conference (OTEC), Columbus, OH, October 2007.. Place: Columbus, OH, October 2007.

6.

Raja Chowdhury and Defne Apul (2007). A comparative environmental analysis of embankments constructed from conventional materials and industrial byproducts. TRB Annual meeting, Washington DC,. Place: Washington DC, USA

7.

Chowdhury Raja (2008). Wetland based treatment of arsenic. , 29th Annual meeting, SETAC North America, Tampa, USA.. Place: Tampa, USA.

8.

Chowdhury R and Viamajala S (2011). Alkaliphilic microalgae for biodiesel production. 33rd Symposium on Biotechnology for Fuels and Chemicals, Seattle, WA. Place: Seattle, WA, USA

9.

Chowdhury R and Viamajala S (2011). An economic and multi criteria analysis of algal biodiesel production. 33rdSymposium on Biotechnology for Fuels and Chemicals. Place: Seattle, WA, USA

10.

Raja Chowdhury and Fausto Freire (2015). Life cycle energy demand from algal biofuel generated from nutrients present in the Dairy waste. International Society of Industrial Ecology Conference,. Place: University of Surrey, Guildford, UK

11.

Raja Chowdhury and Fausto Freire (2015). Effects of nutrient recycling on carbon sequestration during algal biofuel production. International Society of Industrial Ecology Conference. Place: University of Surrey, Guildford, UK

12.

Raja Chowdhury Shubham Patel and Fausto Freire (2015). Water demand estimation of algal biofuel production with special emphasis on evaporative water losses estimation. International Society of Industrial Ecology Conference. Place: University of Surrey, Guildford, UK

13.

Vivek Agarwal, Raja Chowdhury, Kapil Mamtani and Deepak Suyal (2017). Variability in greenhouse gas emission in algal biofuel production resulted from nutrient recycling. International conference on Energy and Environment. Place: Polytechnic of Porto, Portugal

14.

Swati Rani and Raja Chowdhury (2018). Algae based municipal wastewater treatment (tertiary) and value-added product recovery. 2nd International conference on Bioresource Technology for Bioenergy, Bioproducts and Environmental Sustainability. Place: Sitges, Spain

15.

Swati Dahiya, Raja Chowdhury and Pradeep Kumar (2018). Novel hydrolysis methods for algae and water hyacinth. 2ndInternational conference on Bioresource Technology for Bioenergy, Bioproducts and Environmental Sustainability. Place: Sitges, Spain

16.

Dahiya, S., Chowdhury, R., Kumar, P. and Ghosh, S. (2019). Production of biofuel by utilizing hydrolysate of waste biomass. 27th European Union Biomass conference and Exhibition. Place: Lisbon, Portugal

17.

Panchore, V. Chowdhury, R. and Kumar, S. (2023). Life cycle assessment of dimethyl ether produced from algal biomass. 11th International Conference on Industrial Ecology. Place: Leiden, The Netherland

18.

Praveen Kumar and Raja Chowdhury (2025). Decarbonization of Indian Road Transport Sector: Some pathway analysis. 33rd EUBCE Conference, Valencia, 2025. Place: Valencia, Spain

19.

Vikas Agrawal and Raja Chowdhury (2025). Biogenic Carbon Flow from Food to Human Waste and Beyond, its Sequestration Potential". 33rd EUBCE conference. Place: Valencia, Spain

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