Dr. Rahul Singh

Assistant Professor
Department/School/Unit Name
Department of Civil Engineering, IIT (BHU)
Phone No(s): +91-8920216156
Email: rahul.civ@iitbhu.ac.in
Area of Interest: Remediation of emerging contaminants in soil, and water; Permeable Reactive Barrier (PRB) for Groundwater Remediation; Mechanochemical degradation (MCD) technology for persistent pollutants; Green hydrogen for water treatment; Groundwater flow and transportation modelling

Professional Experience

August 2025 – Present

Assistant Professor, Department of Civil Engineering, Indian Institute of Technology (BHU) Varanasi, India.

May 2023 – July 2025

Post-Doctoral Research Associate, Hochschule Wismar, Germany, in collaboration with Feess GmbH & Co., K.G., Germany.

Dec 2022 – Apr 2023

Senior Consultant (Environment, Social & Governance), Bilancia Consulting Private Limited, located in Ahmedabad, Gujarat, India.

Nov 2022 – Dec 2022

Early-Doc Fellow (Post-Doc), Indian Institute of Technology Delhi, New Delhi, India.

Jan 2022 – Oct 2022

Research Associate, FGW Wismar and Hochschule Wismar, Germany, in collaboration with Nakamurakiso Group Co. Ltd., Hiroshima, Japan.

Education

Ph.D. in Civil / Process and Environmental Engineering, 2022

Indian Institute of Technology (IIT) Delhi, India & Hochschule Wismar, Germany

Master of Technology in Environmental Engineering, 2016

Motilal Nehru National Institute of Technology (MNNIT), Allahabad, Uttar Pradesh, India

Bachelor of Technology in Civil Engineering, 2014

Kamla Nehru (Govt) Institute of Technology (KNIT) Sultanpur, Uttar Pradesh, India

Awards & Achievements

  1. Session Chair as President for “General PFAS Management in Environment and Public Health”. International PFAS Congress in Paris, France, June 2025.
  2. DAAD - PhD Bi-national Sandwich Award (2018-2020) - Scholarship from DAAD, Germany, for pursuing partial Ph.D. work in Hochschule Wismar, Germany.
  3. Second Prize (INR 4 Lakhs), in ‘Dare to Dream 2.0’ innovation contest in the category “Eco-Friendly Explosive Waste Management” in 2020-21 organized by DRDO, India, and Ministry of Defence, Govt. of India,
  4. Scholarship from the Ministry of Human Resource Development, Govt. of India, for pursuing PhD at IIT Delhi, India (2016-2021)
  5. Scholarship from the Ministry of Human Resource Development, Govt. of India for pursuing M.Tech at MNNIT (2014-2016) after qualifying GATE examination in 2014.
  6. Civil Engineering Departmental Top-up award in B.Tech at Kamla Nehru Institute of Technology, Sultanpur during 2011-2013 for securing a position in the Top 6 students.

Journal Publications

  1. Singh, R.*, Chakma, S., Birke, V. (2025). Implications of bi-metal catalysts using copper and nickel on micro- and nano-zero-valent iron brands for hexavalent chromium removal in strongly alkaline and hyperalkaline medium. Environmental Science and Pollution Research.   
  2. Singh, R.*, Vigelahn, L., Schütt C., Burmeir, H., Chakma, S., Birke, V. (2024). Defining quality assurance guidance for effective selection of technical grade zero-valent iron production batch for groundwater remediation using permeable reactive barrier. Journal of Environmental Management, 368, 121945
  3. Birke, V., Singh, R.*, Prang, O. (2024). Degradation of pharmaceuticals and other emerging pollutants employing bi-metal catalysts / magnesium and / or (green) hydrogen in aqueous solution. Environmental Science and Pollution Research, 31, 35992-36012.
  4. Singh, R.*, Chakma, S., & Birke, V. (2023). Performance of field-scale permeable reactive barriers: An overview on potentials and possible implications for in-situ groundwater remediation applications. Science of The Total Environment, 858, Part 1, 158838.
  5. Guleria, A., Singh, R.*, Chakma, S., & Birke, V. (2022). Ecological and human health risk assessment of chromite ore processing residue (COPR) dumpsites in Northern India: A multi–pathways based probabilistic risk approach. Process Safety and Environmental Control, 163, p. 405-421.
  6. Mittal, A., Singh, R.*, Chakma, S., Goel, G. & Birke, V. (2021). An integrated permeable reactive barrier and photobioreactor approach for simultaneous removal of nitrate, phosphate, and hexavalent chromium: a combined batch and continuous flow study. Bioresource Technology, 333, 125201.
  7. Singh, R., Chakma, S., & Birke, V. (2020). Numerical modelling and performance evaluation of multi- permeable reactive barrier system for aquifer remediation susceptible to chloride contamination. Groundwater for Sustainable Development, 10, 100317.
  8. Mittal, A.*, Singh, R.*, Chakma, S., & Goel, G. (2020). Permeable reactive barrier technology for the remediation of groundwater contaminated with nitrate and phosphate resulted from pit-toilet leachate. Journal of Water Process Engineering, 37, 101471. 

* Corresponding Author

Book Chapters

  1. Singh, R.*, Chakma, S., & Birke, V. (2020). Long-Term Performance Evaluation of Permeable Reactive Barrier for Groundwater Remediation Using Visual MODFLOW. In: Singh R.M., Shukla P., Singh P. (eds) Environmental Processes and Management. Water Science and Technology Library, vol 91, pp. 311-320, Springer, Cham, Switzerland.
  2. Srivastava, A.N.*, Singh, R., Chakma, S., & Birke, V. (2022). Advancements in Operations of Bioreactor Landfills for Enhanced Biodegradation of Municipal Solid Waste. In: Pathak, P., Palani, S.G. (eds) Circular Economy in Municipal Solid Waste Landfilling: Biomining & Leachate Treatment. Radionuclides and Heavy Metals in the Environment, pp. 153-166 Springer, Cham, Switzerland.
  3. Shukla, A.K.*, Singh, R., Singh, R.M., & Singh, R.P. (2023). Water Quality Modelling and Parameter Assessment Using Machine Learning Algorithms: A Case Study of Ganga and Yamuna Rivers in Prayagraj, Uttar Pradesh, India. In: Shukla P., Singh P., Singh R.M. (eds) Environmental Processes and Management. Water Science and Technology Library, vol 120, pp 333-345, Springer, Cham, Switzerland.

Conference Publications

  1. Singh, R., Ehlert, D., Rönnfeldt, L., Bläsing, K., Birke, V. (2025). Accelerated Mechanochemical Remediation of PFAS-Contaminated Soil: A Breakthrough in Non-Combustible Treatment. 19th International Conference on Chemistry and the Environment – ICCE, Belgrade, Serbia, June 2025.
  2. Singh, R., Ehlert, D., Imai, T., Suzuki, K., Birke, V. (2025). Innovative Reductive Nano Composite Materials for Global Environmental Remediation. 19th International Conference on Chemistry and the Environment – ICCE, Belgrade, Serbia, June 2025.
  3. Singh, R., Vigelahn, L., Vogel., C., Roesch, P., Simon, F-G, Egloffstein, T., Birke, V. (2024). Rapid and virtually complete mechanochemical reductive defluorination of per- and polyfluoroalkyl substances (PFAS) in contaminated soil using sodium and amines as co-milling agents: A promising first approach for the development of novel non-combustion PFAS remediation processes for soils. International CleanUp Conference, CRC Care Adelaide, Australia, 15 – 19 September 2024.
  4. Singh, R., Imai, T., Maegaki, M., Suzuki, K., Birke, V. (2024). Advancements in reductive nano materials for remediation of diverse emerging and priority pollutants: Efficacy of reactive materials developed by Nakamurakiso Co., Ltd., Hiroshima, Japan. International CleanUp Conference, CRC Care Adelaide, Australia, 15 – 19 September 2024.
  5. Birke, V., Singh, R., Prang, O., Vigelahn L., Bläsing K. (2023). Synergistic Removal of Pharmaceuticals and Emerging Contaminants from Aqueous Solutions: an Investigation of Bi-Metal Catalysts, Magnesium, and Green Hydrogen as Efficient Degradation Agents. 18th International Conference on Chemistry and the Environment – ICCE, Venice, Italy, June 2023.
  6. Guleria, A., Singh, R., Chakma, S., & Birke, V. (2022). Ecological and Human Health Risk Assessment of Soil in and around Chromite Ore Processing Residue (COPR) dumpsites in Kanpur, India. AGU22 Fall Meeting, New Orleans, LA USA. American Geophysical Union, December 2022.
  7. Birke V., Prang, O., Singh, R. (2022). Degradation of Pharmaceuticals and Other Emerging Pollutants Employing Bi-Metal Catalysts in Aqueous Solution. International CleanUp Conference, CRC Care Adelaide, Australia, 11-15 September 2022.
  8. Birke V., Singh, R., Vieghlan, L., Bläsing, K., Imai, T., Toda, T., Suzuki, K. (2022). Efficacy of Modified Reductive Nano Iron Powders (RNIPs) for PFAS And Cr(VI) Reduction from Aqueous Solution. International CleanUp Conference, CRC Care Adelaide, Australia, 11-15 Sept 2022.
  9. Singh, R., Mittal, A., Chakma, S., Birke, V. (2021). Three-Dimensional Numerical Modelling for Simultaneous Removal of Multi Contaminants from Permeable Reactive Barrier (PRB): A Long-Term In-situ Aquifer Remediation Study. AGU21 Fall Meeting, New Orleans, LA USA. American Geophysical Union, 13-17 December.
  10. Singh, R., Chakma, S., Birke, V. (2021). Performance Evaluation of Three Different Design Configurations of Permeable Reactive Barrier Model for In-situ Groundwater Remediation. 18th Annual Meeting, AOGS 2021 Virtual, Proceedings from conference held 01-06 August 2021.
  11. Singh, R., Chakma, S., Birke, V. (2019). Simulation study for the application of permeable reactive barrier for aquifer remediation in the proximity of Indian landfill site. 21st EGU General Assembly, EGU 2019, Proceedings from the conference held 7-12 April 2019 in Vienna, Austria.
  12. Birke V., Singh, R., Chakma, S., Vieghlan L., Schutt C., Burmeier, H. (2019). Assessment and selection of various technical grades zero valent irons (ZVIs) for remediation of chlorinated ethenes for validating efficacy of the Rheine site permeable reactive barrier (PRB), Germany. International CleanUp Conference, CRC Care Adelaide, Australia, 8-12 September 2019.
  13. Singh, R., Chakma, S. (2018). Groundwater remediation solution by multi-permeable reactive barriers. 50th convention of Indian Water Works Association (IWWA) 2018, Proceedings from the conference, 20- 21 February 2018 in Panaji, Goa, India.
  14. Singh, R., Gehi, I., Chakma, S. (2018). Analysis of permeable reactive barrier modelling: a sustainable passive technology for in-situ groundwater remediation. Industry-academics confluence on Industry Day Organized at IIT Delhi, 22nd September 2018.
  15. Singh, R., Chakma, S. (2017). Contaminated groundwater clean-up using permeable reactive barrier: An overview of sustainable technology for remediation in developing countries. International Conference on Modeling of Environmental and Water Resources System. ISBN: 987-93-85926-53-2.
  16. Singh, R., Singh, R.M., Rawal, N.R. (2017). Contaminant flow and transport in alluvial aquifer system. International Conference on Modeling of Environmental and Water Resources System. ISBN: 987-93-85926-53-2.
  17. Singh, R., Chakma, S. (2017). Permeable reactive barrier analysis for in-situ groundwater remediation. Industry-academics confluence on Industry Day,  IIT Delhi, 23rd Sept 2017.

Workshops & Seminars

  1. Participated in IFAT (International Fair-Trade Association) Expo from 13 – 17 May 2024 held in Munich, Germany for discussing and expanding the environmental remediation business activity for our Japanese Industrial partner in Europe.
  2. Participated in AWSAR (Augmenting Writing Skills for Articulating Research) Webinar on Popular Science Writing that was organized by the Department of Science and Technology (DST), Govt.  of India and Vigyan Prasar (VP) on 14th October 2021.
  3. Participated in SMART 3.0, a team contest on submitting a Business Proposal on Environment Sustainability, organised by South Asian Technical University President’s Forum along with National Cheng Kung University, Taiwan, September - October 2021.
  4. Participated in Quality Improvement Programme on Modelling, Fate & Transport of Soil-Water Pollutants organized by Department of Hydrology, IIT Roorkee in 2016.
  5. Participated in the short-term course on Numerical and Optimization Technique organized by Department of Civil Engineering, MNNIT Allahabad in 2015.
  6. Participated in Summer Training cum Internship Programme in Civil Engineering on Water and Wastewater Quality Analysis theme organized by MNNIT Allahabad in 2015.