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Biosketch
Professional Experience
- Assistant Professor, Department of Civil Engineering, IIT Palakkad, Kerala, India (July 2026 - Present)
- Assistant Professor, Department of Civil Engineering, The Assam Royal Global University, Assam, India (June 2024 - June 2026)
Education
- Ph.D (Environmental Engineering), Indian Institute of Technology Guwahati, Assam, India (2023).
- M.Tech in Rural Technology, Indian Institute of Technology Guwahati, Assam, India (2018).
- B.E. in Civil Engineering, Assam Engineering College, Assam, India (2015).
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Research
- Anaerobic biodegradation
- Bioenergy recovery from industrial waste
- Municipal solid waste management
- Biomass conversion and valorization
- High-value waste valorization
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Teaching
- CE2150 - Building Drawing and Modelling - (Aug - Dec 2026)
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Additional Information
TitlePublicationsDescription
- Choudhury, S.P., Gautam, P., Haq, I. and Kalamdhad, A.S., 2026. Process optimization of Bacillus velezensis–mediated biological pretreatment for enhanced anaerobic co-digestion of petroleum refinery sludge with lignocellulosic biomass. Bioresource Technology Reports, 35, p.102938. https://doi.org/10.1016/j.biteb.2026.102938.
- Choudhury, S.P. and Kalamdhad, A.S., 2025. Effect on bioenergy production through optimization of electrokinetically assisted anaerobic co-digestion of petrochemical industry sludge and lignocellulosic waste: A pathway through hydrocarbon and lignin degradation. Biochemical Engineering Journal, 222, p. 109829. https://doi.org/10.1016/j.bej.2025.109829.
- Choudhury, S.P., Haq, I. and Kalamdhad, A.S., 2023. Unleashing Synergistic Potential of Microbially Enhanced Anaerobic Co-Digestion of Petroleum Refinery Biosludge and Yard Waste: Impact of Nutrient Balance and Microbial Diversity. Journal of Hazardous Materials, p. 132361. https://doi.org/10.1016/j.jhazmat.2023.132361.
- Choudhury, S.P., Panda, S., Haq, I. and Kalamdhad, A.S., 2022. Microbial pretreatment using Kosakonia oryziphila IH3 to enhance biogas production and hydrocarbon depletion from petroleum refinery sludge. Renewable Energy, 194, 1192-1203. https://doi.org/10.1016/j.renene.2022.05.167.
- Choudhury, S.P., Panda, S., Haq, I. and Kalamdhad, A.S., 2022. Enhanced methane production and hydrocarbon removal from petroleum refinery sludge after Pseudomonas putida pretreatment and process scale-up. Bioresource Technology, 343, p.126127. https://doi.org/10.1016/j.biortech.2021.126127.
- Choudhury, S.P., Dalasingh, B., Haq, I. and Kalamdhad, A.S., 2021. Methane production and toxicity evaluation of petroleum refinery biosludge through optimization of different modes of heat. Process Safety and Environmental Protection, 154, 236-248. https://doi.org/10.1016/j.psep.2021.08.019.
- Choudhury, S.P. and Kalamdhad, A.S., 2021. Optimization of electrokinetic pretreatment for enhanced methane production and toxicity reduction from petroleum refinery sludge. Journal of Environmental Management, 298, 113469. https://doi.org/10.1016/j.jenvman.2021.113469.
- Saha, B., Sathyan, A., Mazumder, P., Choudhury, S.P., Kalamdhad, A.S., Khwairakpam, M. and Mishra, U., 2018. Biochemical methane potential (BMP) test for Ageratum conyzoides to optimize ideal food to microorganism (F/M) ratio. Journal of Environmental Chemical Engineering, 6(4), 5135-5140. https://doi.org/10.1016/j.jece.2018.07.036.
TitleInternational and National ConferencesDescription- Sharma, S. and Choudhury, S.P., (2026). Water Quality Assessment Using Pollution Indices and Human Health Risk Evaluation: A Case Study of Borsola Beel, Assam, India. International Conference on “Environmental Research & Innovation for Sustainable Engineering (EnRISE 2026)”, IIT Indore, Madhya Pradesh, India. 7– 8 Aug 2026.
- Dutta, D. and Choudhury, S.P., (2025). Assessing the State of Solid Waste Infrastructure and Resource Recovery in Guwahati, Assam: A Review of Challenges and Pathways. 2nd International Conference on “Pollution Control for Clean Environment”, IIT Bhubaneshwar, Odisha, India. 22 – 23 Dec 2025.
- Choudhury, S.P. and Kalamdhad, A.S., (2025). Optimization of Biological Pretreatment for Enhanced Anaerobic Co-Digestion of Petroleum Refinery Biosludge and Yard Waste. International Conference on “Water, Environment, Energy & Society”, NIT Puduchhery, IAWEES (International Association for Water, Environment, Energy and Society) in association Texas A&M University, USA and IHE Delft Netherlands. 23–26 April 2025.
- Choudhury, S.P. and Kalandhad, A.S., (2024). Optimization of electrokinetically assisted anaerobic co-digestion of petroleum refinery sludge with yard waste. International Conference on “Waste Recycling and Environmental Technology”, Babasaheb Bhimrao Ambedkar University, Lucknow, India (BEST PAPER AWARD) 8 – 9 Feb 2024
- Choudhury, S.P. and Kalamdhad, A.S., (2023). Biogas Production from Petroleum Refinery Sludge in Anaerobic Biphased Baffled Reactor (ABBR): A Semi-Continuous Study. International Conference on “Waste Management (RECYCLE 2023)”, IIT Guwahati, Assam, India. 18–19 May 2023.
- Choudhury, S.P. and Kalamdhad, A.S., (2022). Microbial Pretreatment using Pseudomonas putida for Biogas Augmentation and Hydrocarbon Degradation from Activated Refinery Sludge. North East Research Conclave Sustainable Science and Technology (NEERC), IIT Guwahati, India. 20 – 22 May 2022.
- Choudhury, S.P. and Kalamdhad, A.S., (2020). Biological Pretreatment of Petroleum Refinery Sludge for Enhanced Biogas Production. International Conference on Waste Management (RECYCLE 2020), IIT Guwahati, India. 13 – 14 Feb 2020.
TitleBook chapterDescription- Choudhury, S.P., Saha, B. and Kalamdhad, A.S., 2020. Use of Petroleum Refinery Sludge for the Production of Biogas as an Alternative Energy Source: A Review. Advanced Organic Waste Management: Sustainable Practices and Approaches. 277-297. Elsevier. https://doi.org/10.1016/B978-0-323-85792-5.00021-6.
