CE

Dr. Subrata Hait

Dr. Subrata Hait
Associate Professor
Ph.D, IIT Kanpur
Ph:+91-6115-233195
shait[*AT]iitp.ac.in
https://scholar.google.com/citations?user=5voIMsIAAAAJ
Research Areas
  • Pollution Prevention and Resource Recovery, Solid and Hazardous Waste Management, E-waste Management, Organic Waste Management by Composting and Vermicomposting, Water and Wastewater Treatment, Removal of Emerging Contaminants including Microplastics from Aqueous Matrices, Conventional and Ecological Sanitation
Courses taught at IIT P
  • CE102: Environmental Studies CE111: Engineering Drawing CE204: Irrigation and Flood Control Engineering CE216: Civil Engineering Materials CE303: Water Supply and Wastewater Engineering CE310: Environmental Quality and Pollution Measurement Laboratory CE315: Industrial Waste Treatment and Management CE391: Environmental Engineering Laboratory CE491: Design Studio CE507: Civil Engineering Design – I CE519: Air Pollution and Control CE536: Industrial Pollution Control and Prevention CE566: Physico-chemical Processes for Water and Wastewater Treatment CE591: Infrastructure Engineering Laboratory – I CE596: Civil Engineering Lab - II
Former Students
Sr. No. Photo Area of Reasearch Current Position
1
Dr. Anshupriya (2013-2018)
2
Dr. Sathish G.P. (2014-2018)
Professional Experience
  • June 2012 – December 2018: Assistant Professor, Department of Civil and Environmental Engineering, IIT Patna December 2010 - May 2012: Senior Project Engineer, Preparation of Ganga River Basin Environment Management Plan (GRB EMP), IIT Kanpur
Awards & Honours
  • Excellence in Review Award (2018), Waste Management Journal (Elsevier) Best Teacher Recognition (2016-17) by the Institute in the PG Course Category in CEE
Member of Professional bodies
  • Fellow, Institution of Engineers (India) Member, American Society of Civil Engineers (ASCE) Member, International Solid Waste Association (ISWA) Member, International Water Association (IWA) Member, American Chemical Society (ACS) Member, International Association for Water, Environment, Energy, and Society (IAWEES)
Books
    • A. Trivedi, K. Kanaujia, K. Upvan, and S. Hait, Fungal biotechnology for the recovery of critical metals from e-waste: Current research trends and prospects, In: B. Debnath, A. Das, P.A. Chowdary, and S. Bhattacharyya (Eds.), Development in E-waste Management: Sustainability and Circular Economy Aspects (DOI: 10.1201/9781003301899), CRC Press, Boca Raton, pp. 71-86, 2023.
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    • B. Mahanty, B. Saawarn, and S. Hait, Chemical treatment of per-and poly-fluoroalkyl substances, In: S. Pilli, P. Bhunia, V. Tyagi, R. Tyagi, J. Wong, and A. Pandey (Eds.), Current Developments in Biotechnology and Bioengineering: Sustainable Treatment Technologies for Per- and Poly-fluoroalkyl Substances, Elsevier, pp. 159-186, 2022.
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    • N. Parashar and S. Hait, Plastic Waste Management: Current Overview and Future Prospects, In: V.P. Singh, S. Yadav, K.K. Yadav, and R.N. Yadava (Eds.), Environmental Degradation: Challenges and Strategies for Mitigation (DOI: 10.1007/978-3-030-95542-7), Springer Nature, pp. 471-494, 2022.
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    • S. Shukla and S. Hait, Smart waste management practices in smart cities: Current trends and future perspectives, In: C.M. Hussain, S. Hait (Eds.), Advanced Organic Waste Management: Sustainable Practices and Approaches (DOI: 10.1016/C2020-0-02931-2),Elsevier, pp. 407-424, 2022.
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    • N. Parashar, S. Hait and C.M. Hussain, Implications of COVID-19 pandemic on waste management practices: Challenges, opportunities, and strategies towards sustainability, In: C.M. Hussain, S. Hait (Eds.), Advanced Organic Waste Management: Sustainable Practices and Approaches (DOI: 10.1016/C2020-0-02931-2),Elsevier, pp. 473-490, 2022.
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    • N. Gupta, A. Trivedi and S. Hait, Column Leaching of Metals from PCB of End-of-Life Mobile Phone Using DTPA Under Oxidising Condition, In: A. Kalamdhad (Ed.), Integrated Approaches Towards Solid Waste Management (DOI: 10.1007/978-3-030-70463-6),Springer Nature, Singapore, pp. 233-244, 2021.
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    • A. Trivedi and S. Hait, Influence of Initial pH on Bioleaching of Selected Metals from e-Waste Using Aspergillus niger, In: A. Kalamdhad (Ed.), Integrated Approaches Towards Solid Waste Management (DOI: 10.1007/978-3-030-70463-6),Springer Nature, Singapore, pp. 225-231, 2021.
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    • N. Parashar and S. Hait, Occurrence, Fate, and Removal of Microplastics in Sewage Treatment Plants (STPs), In: S.P. Singh, K. Rathinam, T. Gupta, A.K. Agarwal (Eds.), Pollution Control Technologies: Current Status and Future Prospects (DOI: 10.1007/978-981-16-0858-2_1),Springer Nature, Singapore, pp. 113-135, 2021.
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    • K. Kanaujia, A. Trivedi, K. Upvan and S. Hait, Hybrid bioleaching - An emerging technique for extraction of critical metals from WEEE, In: C.M. Hussain (Ed.), Environmental Management of Waste Electrical and Electronic Equipment,Elsevier, pp. 109-123, 2021.
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    • A. Priya, S. Hait and C.M. Hussain, Process engineering for bioleaching of metals from waste electrical and electronic equipment, In: C.M. Hussain (Ed.), Environmental Management of Waste Electrical and Electronic Equipment,Elsevier, pp. 185-202, 2021.
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    • K. Kanaujia and S. Hait, Improved sequential approach for hybrid bioleaching of metals from e-waste, In: S. Kumar, A. Kalamdhad, M.M. Ghangrekar (Eds.), Sustainability in Environmental Engineering and Science (Lecture Notes in Civil Engineering) (DOI: 10.1007/978-981-15-6887-9), Springer Nature, Singapore, Vol. 93, pp. 113-120, 2020.
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    • B. Saawarn, K. Kanaujia, A. Trivedi and S. Hait, Applicability of Vermifiltration for Wastewater Treatment and Recycling, In: S.A. Bhat, A. Pal Vig, F. Li, B. Ravindran (Eds.), Earthworm Assisted Remediation of Effluents and Wastes (DOI: 10.1007/978-981-15-4522-1), Springer Nature, Singapore, pp. 3–17, 2020.
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    • A. Nath and S. Hait, Effect of Methyl Parathion on the Growth and Reproduction of Eisenia fetida in Natural Soil, In: S.A. Bhat, A. Pal Vig, F. Li, B. Ravindran (Eds.), Earthworm Assisted Remediation of Effluents and Wastes (DOI: 10.1007/978-981-15-4522-1), Springer Nature, Singapore, pp. 351–363, 2020.
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    • S.K. Singh and S. Hait, Recycling-oriented Characterization and Recovery Potential of Rare Earth Elements in Compact and Linear Fluorescent Lamps, In: Kalamdhad, A.S. (Ed.) Recent Developments in Waste Management (Lecture Notes in Civil Engineering, Vol. 57) (DOI: 10.1007/978-981-15-0990-2), Springer Nature, Singapore, pp. 485–498, 2020.
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    • A. Verma, A. Trivedi and S. Hait, Extraction of Selected Metals from High-grade Waste Printed Circuit Board using Diethylene Triamine Penta-acetic Acid, In: S.K. Ghosh (Ed.), Urban Mining and Sustainable Waste Management (DOI: 10.1007/978-981-15-0532-4), Springer Nature, Singapore, pp. 49–57, 2020.
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    • A. Trivedi and S. Hait, Efficacy of Metal Extraction from Discarded Printed Circuit Board using Aspergillus tubingensis, In: S.K. Ghosh, R. Sen, H.N. Chanakya, P. Agamuthu (Eds.), Bio-resource Utilization and Bioprocess (DOI: 10.1007/978-981-15-1607-8), Springer Nature, Singapore, pp. 167–175, 2020.
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    • A. Trivedi and S. Hait, Bioleaching of Selected Metals from E-Waste using Pure and Mixed Cultures of Aspergillus Species, In: T. Gupta, S.P. Singh, P. Rajput, A.K. Agarwal (Eds.), Measurement, Analysis and Remediation of Environmental Pollutants(DOI: 10.1007/978-981-15-0540-9), Springer Nature, Singapore, pp. 271–280, 2020.
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    • A. Priya and S. Hait, Extraction of Cu and Zn from High Grade Printed Circuit Board Scraps by Conventional and Hybrid Bioleaching, In: A.S. Kalamdhad, J. Singh, K. Dhamodharan (Eds.) Advances in Waste Management (DOI: 10.1007/978-981-13-0215-2), Springer Nature, Singapore, pp. 511–524, 2019.
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    • A. Priya and S. Hait, Toxicity Characterization of Heavy Metals from Waste Printed Circuit Boards, In: S.K. Ghosh (Ed.) Waste Management and Resource Efficiency (DOI: 10.1007/978-981-10-7290-1), Springer Nature, Singapore, pp. 833–840, 2019.
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    • R.K. Choudhary, A. Swati and S. Hait, Vermicomposting of Primary Clarified Tannery Sludge Employing Eisenia fetida, In: M. Rathinasamy, S. Chandramouli, K.B.V.N. Phanindra, U. Mahesh (Eds.) Water and Environmental Engineering II (DOI: 10.1007/978-981-13-2038-5), Springer Nature, Singapore, pp. 125–136, 2019.
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    • A. Swati and S. Hait, Four-Pronged Preprocessing Approaches for Maximum Utilization of Raw Tannery Sludge by Earthworms, In: V. Singh, S. Yadav, R. Yadava (Eds.) Water Quality Management (DOI: 10.1007/978-981-10-5795-3), Springer Nature, Singapore, pp. 431–444, 2018.
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    • V. Kumar, R. Rudra, S. Hait, P. Kumar and P.P. Kundu, Performance Trends and Status of Microbial Fuel Cells, In: K. Dutta, P.P. Kundu (Eds.) Progress and Recent Trends in Microbial Fuel Cells (DOI: 10.1016/C2016-0-04695-8), Elsevier, pp. 7–24, 2018.

    Technical Reports:

    • V. Tare, P. Bose and S. Hait, Water Quality in the Ganga River and Efficacy of Sewage Treatment Processes in Coliform Removal: A Case for Adopting Tertiary Treatment, Submitted to the National Ganga River Basin Authority and the Ministry of Environment and Forests, Govt. of India, June 2012.
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    • V. Tare, P. Bose, S. Hait, L. Philip and A.A. Kazmi, Review of Wastewater Reuse Projects Worldwide: Collation of Selected International Case Studies and Experiences, Submitted to the National Ganga River Basin Authority and the Ministry of Environment and Forests, Govt. of India, March 2012.
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    • V. Tare, P. Bose, S. Hait and S. Patel, Status of E-Waste Management in the Important Towns of Uttar Pradesh, Submitted to the Uttar Pradesh Pollution Control Board, May 2011.
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    • V. Tare, P. Bose, S. Hait and S. Patel, Status of Batteries Waste Handling in the Urban Centers of Uttar Pradesh, Submitted to the Uttar Pradesh Pollution Control Board, May 2011.
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    • V. Tare, P. Bose, S. Hait and S. Patel, Status of Plastic Waste Management and Inventorization of Recycling Units in the Urban Centers of Uttar Pradesh, Submitted to the Uttar Pradesh Pollution Control Board, May 2011.
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    • V. Tare, P. Bose, S. Hait and S. Patel, Status of Municipal Solid Waste Management in the Urban Centers of Uttar Pradesh, Submitted to the Uttar Pradesh Pollution Control Board, May 2011.
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    • V. Tare, L. Philip, A.A. Kazmi, P. Bose, A.K. Nema, A. Mittal, A. Kumar, I. Mehrotra and S. Hait, Sewage Treatment in Class I Towns: Recommendations and Guidelines, Submitted to the National Ganga River Basin Authority and the Ministry of Environment and Forests, Govt. of India, December 2010.
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    • V. Tare and S. Hait, Final Report on Accreditation of Water Quality Testing Laboratories of Uttar Pradesh Jal Nigam, Submitted to the UNICEF Lucknow, October 2010.

    Journal Editorial Board Membership:

    • Academic Editor, PLOS One, PLOS
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    • Member, Editorial Board, SN Applied Sciences, Springer Nature
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    • Article Editor, SAGE Open, SAGE

    Journal Manuscript Reviewer:

    • Scientific Reports, Nature
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    • Waste Management, Elsevier
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    • Journal of Hazardous Materials, Elsevier
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    • Hydrometallurgy, Elsevier
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    • Process Safety and Environmental Protection, Elsevier
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    • Resources, Conservation and Recycling, Elsevier
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    • Environmental Technology and Innovation, Elsevier
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    • Journal of Environmental Management, Elsevier
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    • Process Biochemistry, Elsevier
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    • Environmental Pollution, Elsevier
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    • Environment International, Elsevier
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    • Journal of Environmental Chemical Engineering, Elsevier
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    • Environmental Nanotechnology, Monitoring & Management, Elsevier
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    • Environmental Science and Pollution Research, Springer
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    • International Journal of Environmental Science and Technology, Springer
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    • Waste and Biomass Valorization, Springer
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    • Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, Springer
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    • Environmental Technology, Taylor & Francis
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    • Journal of the Air & Waste Management Association, Taylor & Francis
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    • Human and Ecological Risk Assessment: An International Journal, Taylor & Francis
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    • CLEAN - Soil, Air, Water, Wiley
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    • Journal of Chemical Technology & Biotechnology, Wiley
Publications / Journals / Conferences

  • Book:

    • C.M. Hussain and S. Hait, Advanced Organic Waste Management: Sustainable Practices and Approaches (DOI: 10.1016/C2020-0-02931-2), Elsevier, 2022.
    Journal Publications:
    • N. Parashar and S. Hait, Recent advances on microplastics pollution and removal from wastewater systems: A critical review, Journal of Environmental Management, 118014, 2023.
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    • A. Trivedi and S. Hait, Metal bioleaching from printed circuit boards by bio-Fenton process: Optimization and prediction by response surface methodology and artificial intelligence models, Journal of Environmental Management, 326, 116797, 2023.
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    • N.M. Kumar, I. D’Adamo, S. Hait, A. Priya, S. Kichou, and M. Gastaldi, Sustainable planning and lifecycle thinking of energy infrastructure, Frontiers in Energy Research, 11, 1196826, 2023.
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    • A. Trivedi, A. Vishwakarma, B. Saawarn, B. Mahanty, and S. Hait, Fungal biotechnology for urban mining of metals from waste printed circuit boards: A review, Journal of Environmental Management, 323, 116133, 2022.
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    • N. Parashar and S. Hait, Occurrence and removal of microplastics in a hybrid growth sewage treatment plant from Bihar, India: A preliminary study, Journal of Cleaner Production, 376, 134295, 2022.
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    • B. Saawarn, B. Mahanty, S. Hait, and S. Hussain, Sources, occurrence, and treatment techniques of per- and polyfluoroalkyl substances in aqueous matrices: A comprehensive review, Environmental Research, 214(4), 114004, 2022.
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    • A. Trivedi and S. Hait, Influences of ferrous iron concentration and mixing speed on metal recovery from waste printed circuit boards using bio-Fenton process, Journal of Environmental Chemical Engineering, 9(6), 106460, 2021.
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    • A. Priya and S. Hait, Characterization of particle size-based deportment of metals in various waste printed circuit boards towards metal recovery, Cleaner Materials, 1, 100013, 2021.
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    • V. Kumar, R. Rudra, and S. Hait, Sulfonated polyvinylidene fluoride-crosslinked-aniline-2-sulfonic acid as ion exchange membrane in single-chambered microbial fuel cell, Journal of Environmental Chemical Engineering, 9(6), 106467, 2021.                                                                                           
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    • N. Parashar and S. Hait, Plastics in the time of COVID-19 pandemic: Protector or polluter?, Science of The Total Environment, 759, 144274, 2021.                                                                        
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    • B. Saawarn and S. Hait, Occurrence, fate and removal of SARS-CoV-2 in wastewater: Current knowledge and future perspectives, Journal of Environmental Chemical Engineering, 9(1), 104870, 2021.                                                                                        
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    • N. Gupta, A. Trivedi and S. Hait, Material composition and associated toxicological impact assessment of mobile phones, Journal of Environmental Chemical Engineering, 9(1), 104603, 2021.
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    • A. Priya and S. Hait, Biometallurgical recovery of metals from waste printed circuit boards using pure and mixed strains of Acidithiobacillus ferrooxidans and Acidiphilium acidophilum, Process Safety and Environmental Protection, 143, pp. 262–272, 2020.
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    • S.P. Gundupalli, R. Shukla, R. Gupta, S. Hait and A. Thakur, Optimal sequence planning for robotic sorting of recyclables from source-segregated municipal solid waste, Journal of Computing and Information Science in Engineering, 21(1), 014502, 2020.
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    • A. Verma and S. Hait, Chelating extraction of metals from e-waste using diethylenetriamine pentaacetic acid, Process Safety and Environmental Protection, 121, pp. 1–11, 2019.    
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    • K. Kumar, A. Priya, A. Arun, S. Hait, and A. Chowdhury, Antibacterial and natural room-light driven photocatalytic activities of CuO nanorods, Materials Chemistry and Physics, 226, pp. 106-112, 2019.                                                          
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    • A. Priya and S. Hait, Extraction of metals from high grade waste printed circuit board by conventional and hybrid bioleaching using Acidithiobacillus ferrooxidans, Hydrometallurgy, 177, pp. 132-139, 2018.                                         
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    • S.P. Gundupalli, S. Hait and A. Thakur, Classification of metallic and non-metallic fractions of e-waste using thermal imaging-based technique, Process Safety and Environmental Protection, 118, pp. 32–39, 2018.                                            
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    • A. Swati and S. Hait, Greenhouse gases emission during composting and vermicomposting of organic wastes – A review, CLEAN - Soil, Air, Water, 46(6), 1700042, 2018.
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    • A. Priya and S. Hait, Comprehensive characterization of printed circuit boards of various end-of-life electrical and electronic equipment for beneficiation investigation, Waste Management, 75, pp. 103–123, 2018.
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    • A. Priya and S. Hait, Toxicity characterization of metals from various waste printed circuit boards, Process Safety and Environmental Protection, 116, pp. 74–81, 2018.
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    • A. Priya and S. Hait, Feasibility of bioleaching of selected metals from electronic waste by Acidiphilium acidophilum, Waste and Biomass Valorization, 9(5), pp. 871–877, 2018.
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    • A. Swati and S. Hait, A Comprehensive Review of the Fate of Pathogens during Vermicomposting of Organic Wastes, Journal of Environmental Quality, 47(1), pp. 16–29, 2018.
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    • A. Priya and S. Hait, Qualitative and quantitative metals liberation assessment for characterization of various waste printed circuit boards for recycling, Environmental Science and Pollution Research, 24(35), pp. 27445-27456, 2017.
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    • S.P. Gundupalli, S. Hait and A. Thakur, Multi-material classification of dry recyclables from municipal solid waste based on thermal imaging, Waste Management, 70, pp. 13–21, 2017.
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    • A. Priya and S. Hait, Comparative assessment of metallurgical recovery of metals from electronic waste with special emphasis on bioleaching, Environmental Science and Pollution Research, 24(8), pp. 6989–7008, 2017.               
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    • V. Kumar, R. Rudra, A. Nandy, S. Hait and P.P. Kundu, Analysis of partially sulfonated low density polyethylene (LDPE) membranes as separators in microbial fuel cells, RSC Advances, 7(35), pp. 21890-21900, 2017.                                                       
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    • A. Swati and S. Hait, Fate and bioavailability of heavy metals during vermicomposting of various organic wastes - A review, Process Safety and Environmental Protection, 109, pp. 30–45, 2017.                                                                                 
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    • S.P. Gundupalli, S. Hait and A. Thakur, A review on automated sorting of source-separated municipal solid waste for recycling, Waste Management, 60, pp. 56–74, 2017.
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    • V. Ashok and S. Hait, Remediation of nitrate-contaminated water by solid-phase denitrification process - a review, Environmental Science and Pollution Research, 22(11), pp. 8075–8093, 2015.                                                                            
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    • S. Hait and V. Tare, Transformation and availability of nutrients and heavy metals during integrated composting-vermicomposting of sewage sludges, Ecotoxicology and Environmental Safety, 79, pp. 214–224, 2012.                             
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    • S. Hait and D. Mazumder, Performance evaluation of a shaft-type hybrid bioreactor for the removal of carbonaceous organic matter, International Journal of Environmental Engineering, 4(3-4), pp. 337–351, 2012.                                                                  
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    • S. Hait and V. Tare, Wastewater treatment by high-growth bioreactor integrated with settling-cum-membrane separation, Desalination, 270(1–3), pp. 233–240, 2011.
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    • S. Hait and V. Tare, Optimizing vermistabilization of waste activated sludge using vermicompost as bulking material, Waste Management, 31(3), pp. 502–511, 2011.       
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    • S. Hait and V. Tare, Vermistabilization of primary sewage sludge, Bioresource Technology, 102(3), pp. 2812–2820, 2011.                           
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    • S. Hait and D. Mazumder, High-rate wastewater treatment by a shaft-type activated sludge reactor, International Journal of Civil and Environmental Engineering, 3(1), pp. 22–27, 2011.                                                           
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    • S. Hait and D. Mazumder, Performance evaluation of an aerobic biofilter with high organics containing synthetic wastewater, International Journal of Environment and Pollution, 37(2-3), pp. 141–149, 2009.                           
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    • S. Hait and D. Mazumder, Scope of improvement of treatment capacity of activated sludge process by hybrid modification, Journal of Environmental Engineering and Science, 7(2), pp. 147–158, 2008.
    Selected Conference Publications:
    • B.R.B. Pedapudi, S. Hait, and A. Thakur (2021) Multi-layer perceptron-based classification of recyclable plastics from waste using hyperspectral imaging for robotic sorting, 5th International Conference on Advances in Robotics, June 30-July 4, 2021, Kanpur, Uttar Pradesh.
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    • A. Trivedi and S. Hait (2020) Influence of initial pH on bioleaching of selected metals from e-waste using Aspergillus niger, Recycle - 2020: 3rd International Conference on Waste Management, February 13-14, 2020, IIT Guwahati, Assam.
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    • K. Kanaujia and S. Hait (2020) Maximizing iron oxidation for improved bioleaching of metals from e-waste employing Acidithiobacillus ferrooxidans, Recycle - 2020: 3rd International Conference on Waste Management, February 13-14, 2020, IIT Guwahati, Assam.
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    • N. Gupta, A. Trivedi and S. Hait (2020) Column leaching of metals from printed circuit board of end-of-life mobile phone using diethylene triamine pentaacetic acid under oxidizing condition, Recycle - 2020: 3rd International Conference on Waste Management, February 13-14, 2020, IIT Guwahati, Assam.
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    • K. Kanaujia and S. Hait (2019) Improved sequential approach for hybrid bioleaching of metals from e-waste, International Conference on Sustainable Environmental Engineering and Science (SEES-2019), November 29-30, 2019, Kolkata, West Bengal.
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    • A. Trivedi and S. Hait (2018) Efficacy of metal extraction from discarded printed circuit board using Aspergillus tubingensis, 8th International Conference on Sustainable Waste Management, November 22-24, 2018, Vijayawada, Andhra Pradesh.
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    • A. Verma, A. Trivedi and S. Hait (2018) Extraction of selected metals from high-grade waste printed circuit board using diethylene triamine penta-acetic acid, 8th International Conference on Sustainable Waste Management, November 22-24, 2018, Vijayawada, Andhra Pradesh.
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    • S.K. Singh and S. Hait (2018) Recycling-oriented characterization and recovery potential of rare earth elements in compact and linear fluorescent lamps, Recycle - 2018: International Conference on Waste Management, February 22-24, 2018, IIT Guwahati, Assam.
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    • S.P. Gundupalli, S. Hait and A. Thakur (2017) Classification of recyclables from e-waste stream using thermal imaging-based technique, ASCE India Conference 2017: Urbanization Challenges in Emerging Economies, December 12-14, 2017, New Delhi, India.
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    • A. Priya and S. Hait (2017) Extraction feasibility of Cu and Pb from high grade waste printed circuit board by exploiting Acidithiobacillus ferrooxidans based conventional and hybrid bioleaching, International Conference on Emerging Trends in Biotechnology for Waste Conversion 2017 (ICETBWC – 2017), October 08-10, 2017, CSIR-NEERI, Nagpur, Maharashtra.
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    • A. Priya and S. Hait (2017) Recycling based comprehensive characterization of waste printed circuit boards of various brown and white goods, Waste Management Convention 2017: 5th World Convention on Recycling and Waste Management, September 11-12, 2017, Singapore.
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    • R.K. Choudhary, A. Swati and S. Hait (2017) Vermicomposting of primary clarified tannery sludge employing Eisenia fetida, International Conference on Emerging Trends in Water Resources and Environmental Engineering (ETWREE'17), March 30 - April 01, 2017, MVGR College of Engineering, Vizianagaram, Andhra Pradesh.
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    • A. Priya and S. Hait (2016) Toxicity characterization of heavy metals from waste printed circuit boards, 6th International Conference on Solid Waste Management, November 24-26, 2016, Jadavpur University, Kolkata.
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    • S.P. Gundupalli, S. Hait and A. Thakur (2016) Automated municipal solid waste sorting for recycling using a mobile manipulator, ASME 2016 International Design Engineering Technical Conference (IDETC), August 21–24, 2016, Charlotte, North Carolina, USA.
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    • A. Priya and S. Hait (2016) Extraction of Cu and Zn from high grade printed circuit board scraps by conventional and hybrid bioleaching, Recycle - 2016: International Conference on Waste Management, April 1-2, 2016, Indian Institute of Technology Guwahati. Guwahati, Assam.
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    • A. Swati and S. Hait (2016) Four-pronged pre-processing approaches for maximum utilization of raw tannery sludge by earthworms, International Conference on 'Water, Environment, Energy and Society' (ICWEES-2016), March 15-18, 2016, AISECT University, Bhopal.
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    • A. Priya and S. Hait (2016) Comparative assessment of conventional and hybrid bioleaching of selected metals from e-waste employing Acidiphilium acidophilum, International Conference on Human Implications of Biotechnology, February 12-14, 2016, Central University of South Bihar, Patna.
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    • A. Priya and S. Hait (2015) Bioleaching of selected metals from waste printed circuit board by Acidiphilium acidophilum, CHEMCON 2015: Indian Chemical Engineering Congress, December 27-30, 2015, IIT Guwahati.
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    • S. Hait and V. Tare (2014) Performance evaluation of high-growth membrane bioreactor for resource recovery using simulated sewage, IWA Specialized International Conference on ‘Global Challenges: Sustainable Wastewater Treatment and Resource Recovery', October 26 – 30, 2014, Kathmandu, Nepal.
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    • S. Hait, S. Kapoor, V. Tare and P. Bose (2014) Techno-economic assessment of treatment options for disinfection of secondary sewage effluent, IWA Specialized International Conference on ‘Global Challenges: Sustainable Wastewater Treatment and Resource Recovery', October 26 – 30, 2014, Kathmandu, Nepal.
Invited Talks
    • ‘Ctrl-Alt-Del: Rebooting the E-waste Problem for Circular Approaches to Sustainability’, One-week Short Term Course on Recent Advances in Environmental Engineering towards Sustainability (RAEES 2022), October 10-14, 2022, National Institute of Technology Patna
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    • ‘Metallurgical Recovery of Metals from E-waste for a Circular Economy: Challenges and Opportunities’, Second Lecture of Monthly Scientific Interactive Series, August 25, 2022, Bihar State Pollution Control Board, Patna
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    • ‘Emerging Trends in Metallurgical Recovery of Metals from E-waste for a Circular Economy’, Prof. Pushpak. P. Oza Memorial Lecture on Emerging Trends in Environmental Engineering Stream, March 16, 2022, Government Engineering College, Bhuj & L.D. College of Engineering, Ahmedabad, Gujarat
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    • ‘Waste Management in Indian Railways: A Circular Economy Perspective’, Seminar Series for Swachhata Pakhwada, September 22, 2021, East Central Railway, Hajipur
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    • ‘Engineering Endeavors for Metallurgical Recovery of Metals from E-waste for Circular Economy: Prospects and Challenges’, National Workshop on Recycling Metals, Plastics & Scrap Tyres: Circular Economy Roadmap to Build Green India, June 21, 2021, Pillai HOC College of Engineering & Technology (PHCET), Rasayani, Maharashtra
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    • ‘Sustainability of Metallurgical Recovery of Metals from E-Waste: A Circular Economy Perspective’, AICTE-sponsored Short Term Training Program on Utilization of E-Waste in Construction Industry, March 8-13, 2021, Department of Civil Engineering, Dr. N.G.P. Institute of Technology, Coimbatore, Tamil Nadu
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    • ‘Sustainability of Metal Recovery from E-waste for Circular Economy: Challenges and Opportunities’, October 10, 2020, Brainware Group of Institutions, Kolkata
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    • ‘Towards Circular Economy in E-waste Recycling via Metal Recovery’, Short Term Training Program (STTP) on ‘Waste Management Techniques with Special Attention to COVID-19 Waste’, June 22-26, 2020, SVNIT Surat
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    • ‘Metal Recycling from E-waste for Circular Economy', Faculty Development Program (FDP), May 11-15, 2020, Dr. Sudhir Chandra Sur Degree Engineering College, Kolkata
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    • ‘High-growth Membrane Bioreactor for Wastewater Treatment for Resource Recovery’, Faculty Development Program (FDP), May 11-15, 2020, Dr. Sudhir Chandra Sur Degree Engineering College, Kolkata
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    • ‘Metallurgical Recovery of Metals from E-waste', Webinar Series on ‘Scope of Academic Research in Civil Engineering’, April 18, 2020, Dr. Sudhir Chandra Sur Degree Engineering College, Kolkata
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    • ‘Metallurgical Recovery of Metals from E-waste’, Brainstorming Workshop on E-waste Management in India, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, Maharashtra, India, March 06, 2020.
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    • 'Water Budgeting and Auditing', Ministry of Environment, Forest and Climate Change, Govt. of India-sponsored Green Skill Development Programme (GSDP), Centre for Environment, Energy & Climate Change (CEECC), Asian Development Research Institute (ADRI), Patna, Bihar, India, July 10-11, 2018.
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    • 'E-waste Recycling: Toxicity Characterization and Bioleaching of Metals from Various Waste Printed Circuit Boards (PCBs)', UGC-sponsored National Seminar on Chemical Pollutant: Effect on Environment and Health, Patna Women's College, Patna, Bihar, India, December 9, 2016.
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    • 'Sustainable Sanitation: Challenges and Opportunities', Magadh Mahila College, Patna, Bihar, India, September 16, 2014.
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    • 'Solid Waste Management in Katihar: What can be done with the Waste?', Round Table Conference, SEWA Bharat, Katihar, Bihar, India, October 31, 2012.
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