Biological processes in waste(water) treatment, Water reuse, Resource recovery, Anaerobic Digestion, Characterization of microbial communities involved in bioremediation, Oxyanions removal from drinking water, Fate of biogenic metal/loid sludge.

Dr. Sunil A Patil’s research group also works on developing integrated nature-based and bioelectrochemical technologies for domestic and industrial waste water management (https://eemblab.website/).

Principal Investigator

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• Shakya, A. K. and Ghosh, P. K. (2018). Simultaneous removal of arsenic, iron and nitrate in an attached growth bioreactor to meet drinking water standards: Importance of sulphate and Empty Bed Contact Time. Journal of Cleaner Production. 186, 1011-1020. (Elsevier). DOI: 10.1016/j.jclepro.2018.03.176. [Impact Factor: 11.072]
• Shakya, A. K. and Ghosh, P. K. (2018). Simultaneous removal of arsenic and nitrate in absence of iron in an attached growth bioreactor to meet drinking water standards: Importance of sulphate and Empty Bed Contact Time. Journal of Cleaner Production.186, 304-312. (Elsevier). DOI: 10.1016/j.jclepro.2018.03.139. [Impact Factor: 11.072]
• Shakya, A. K., Rajput, P., and Ghosh, P. K. (2018). Investigation on stability and leaching characteristics of mixtures of biogenic arsenosulphides and iron sulphides formed under reduced conditions. Journal of Hazardous Materials. 353, 320-328. (Elsevier). DOI: 10.1016/j.jhazmat.2018.04.031. [Impact Factor: 14.224]
• Shakya, A. K. and Ghosh, P. K. (2019). Arsenic, iron and nitrate removal from groundwater by mixed bacterial culture and fate of arsenic laden biosolids. International Journal of Environmental Science and Technology. 16(10) 5901-5916. (Springer). DOI: 10.1007/s13762-018-1978-2. [Impact Factor: 3.519]
• Shakya, A. K. and Ghosh, P. K. (2019). Stability against arsenic leaching from biogenic arsenosulphides generated under reduced environment. Journal of Cleaner Production. 208, 1557-1562. (Elsevier). DOI: 10.1016/j.jclepro.2018.10.187. [Impact Factor: 11.072]
• Shakya, A. K. and Ghosh, P. K. (2019). Concurrent removal of nitrate, arsenic and iron from simulated and real-life groundwater to meet drinking water standards: Effects of operational and environmental parameters. Journal of Environmental Management. 235, 9-18. (Elsevier). DOI: 10.1016/j.jenvman.2019.01.020. [Impact Factor: 8.91]
• Shakya, A. K. and Ghosh, P. K. (2019). Effects of backwashing strategy and dissolved oxygen on arsenic removal to meet drinking water standards in a sulfidogenic attached growth reactor. Journal of Hazardous Materials. 369, 309-317. (Elsevier). DOI:10.1016/j.jhazmat.2019.02.018. [Impact Factor: 14.224]
• Shakya, A. K., Bhande, R. and Ghosh, P. K. (2019). A practical approach on re-use of drinking water treatment plant residues for fluoride removal. Environmental Technology. 41(22), 2907-2919. (Taylor and Francis). (DOI:10.1080/09593330.2019.1588383) [Impact Factor: 3.475]
• Shakya, A. K., Paul, S. and Ghosh, P. K. (2019). Bio-attenuation of arsenic and iron coupled with nitrate remediation in multi-oxyanionic system: batch and column studies. Journal of Hazardous Materials. 375, 182-190. (Elsevier). DOI: 10.1016/j.jhazmat.2019.04.087. [Impact Factor: 14.224]
• Shakya, A. K. and Ghosh, P. K. (2019). Biological attenuation of arsenic and nitrate in a suspended growth denitrifying-sulfidogenic bioreactor and stability check of arsenic laden biosolids. Environmental Technology. 42(11), 1723-1733. (Taylor and Francis). (DOI: 10.1080/09593330.2019.1680737) [Impact Factor: 3.475]
• Sonkeshariya H., Shakya, A. K. and Ghosh, P. K. (2020) Development of a sulfidogenic bioreactor system for removal of co-existent selenium, iron and nitrate from drinking water sources. Journal of Environmental Management. 254, 109757 (Elsevier) [Impact Factor: 8.91]
• Paul, S., Shakya, A. K. and Ghosh, P. K. (2020) Bacterially-assisted Recovery of Cadmium and Nickel as their Metal Sulfide Nanoparticles from Spent Ni-Cd Battery via Hydrometallurgical Route. Journal of Environmental Management. 261, 110113 (Elsevier). [Impact Factor: 8.91]

BOOK CHAPTERS

• Shakya, A. K., and Ghosh, P. K. (2018). Simultaneous removal of arsenic and nitrate in anaerobic batch reactors. Water Quality Management. Page 27- 35. Springer. ISBN 978-981-10-5794-6. DOI:org/10.1007/978-981-10-5795-3_3.
• Shakya, A. K., and Ghosh, P. K. (2019). Simultaneous Biological Removal of Arsenic, Iron, and Nitrate from Groundwater by a Terminal Electron Accepting Process. Wastewater Reuse and Watershed Management: Engineering Implications for Agriculture, Industry, and the Environment. Chapter 19/Page 247-260. Taylor and Francis. ISBN 13:978-0-42943-398-6.DOI:org/10.1201/9780429433986.

• Course Teaching: Environmental hygiene, Sanitation and Waste Management
• Courses Taught: Environmental Biotechnology, Microbiology
• Course Proposed: Public and Environmental Health Science

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• MHRD fellowship holder for doctoral studies during period July 2010 to June 2015.
• Project fellowship from Ministry of Drinking Water Treatment and Sanitation, Govt. of India for period 29th Dec, 2014 to 28th Dec, 2016.
• 2nd Prize in One Act Play in PGIAUCULFEST 2008 held at Banaras Hindu University (BHU), during Jan 8th -10th, 2008 as a member of College cultural team.
• 2nd Prize in Robotics Module in Annual Techno-Management festival (Techniche-2012) of IIT Guwahati.
• Member of Student’s Gymkhana Council of IIT Guwahati as General Secretary of Barak Hostel, IIT Guwahati, during academic year 2013-14.

Potential reviewer of following peer-reviewed journals

• Journal of Cleaner Production
• Journal of Hazardous Materials
• Science of Total Environment
• Waste and Biomass Valorization

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