Dr. Mitra has 25 years of domestic and international work experience (13 years in India and 12 years in USA) in wastewater. He is an International Wastewater and Sludge (Biosolids) Treatment Expert and had been recognized as a “Who’s Who” in Water & Wastewater. He is a registered Professional Engineer (PE) in the State of Virginia, USA.
Dr. Mitra has designed and worked on hundreds of Wastewater Treatment Plants (WWTPs), Sewage Treatment Plants (STPs), Effluent Treatment Plants (ETPs), and Sludge Treatment. He is an expert technologist in Biological Nutrient Removal (BNR and ENR) employing mainstream MBBR, BAS, IFAS, MBR, SBR, Activated Sludge, MLE, A/O, A2O, 3-stage and 5-stage Bardenpho process, sidestream DEMON/Anammox process and Anaerobic Treatment for BOD, Nitrogen and Phosphorus removal in WWTPs, STPs, ETPs, and CETPs. Expertise in Sludge (Biosolids) Treatment includes Anaerobic Digestion, Advanced Anaerobic Digestion, Thermal Hydrolysis Process (THP), and Aerobic Digestion Technologies with/without Power Generation and producing Class A and Class B Biosolids. Dr. Mitra has also been a consultant/advisor to several Industries and Fortune 500 companies (e.g., Reliance, Tata Companies, Reliance, Unilever, Nestle, etc), Consulting Companies (e.g., KPMG, Ernst and Young, etc), EPC companies, Municipalities, State and Central governments in India and USA and worked on projects funded by World Bank, Asian Development Bank, and Japan International Cooperation Agency (JICA). He has provided full-time consulting services to the United States Environmental Protection Agency (EPA) for several years developing various wastewater regulations, policies, and technologies for the USA).