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Founder of Novel Aquatech in 2004 simultaneously in Sydney Australia and Pune India, Dr. Chattopadhyay has over thirty years of industrial, research, and academic experience. For the past ten years he has managed the Environmental Engineering laboratories at UNSW, one of the largest universities in Australia. Previously, for seven years he was research manager at the corporate R&D Centre of Steel Authority of India in Ranchi, India, following work with ICI in India. Subsequent work has included operations, R&D, and engineering assignments in the Indian steel industry. In 1980 he pursued post-graduate education in the USA and spent 8 years in the US with assignments in research, product development and environmental management.

Dr. Chattopadhyay has expertise in process and design engineering in heavy industry. His USA experience involved engineering plastics and composite materials, and developing electronic imaging products. Over the last twenty years he has gained expertise in environmental engineering, focussing on instrumental analyses of air and water contaminants, environmental modelling, end of pipe technology development, and environmental project engineering. His work has resulted in over 40publications in international scientific journals and conferences.

Dr. Chattopadhyay earned a PhD in Chemical Engineering from Jadavpur University, Calcutta. He also has an MS degree in Materials Science from Youngstown State University, Youngstown, Ohio.


Technical Director of Novel Aquatech, Dr Ongerth has worked with Dr Chattopadhyay since 1996 on development of technical services and project management provided through the company. Dr Ongerth has over 35 years of applied environmental engineering, teaching and research experience both in the USA and Australia. As project engineer and project manager for Brown & Caldwell he conducted projects including combined sewer overflow and stormwater management, wastewater reclamation and treatment, water treatment, hazardous waste management, and contaminated site assessment and remediation. His teaching at Universities in both the USA and Australia has covered the entire spectrum of environmental engineering fundamentals. His principal research interests documented by over 50 peer-reviewed technical papers have focussed on public health aspects of public water supply and on wastewater reclamation and reuse.

Dr. Ongerth has expertise in the planning and implementation of integrated water management systems resulting from applied engineering experience in the USA and in research and consulting activities in both the USA and Australia. For over 25 years he has developed and refined special expertise in the design and implementation of water quality monitoring systems for both microorganisms and trace organic contaminants in water.

Dr. Ongerth earned his BS degree in Civil Engineering from the University of California, Berkeley, and both MS and Ph.D. degrees from the University of Michigan. He is a registered Civil Engineer in California and Washington; a Fellow of the American Society of Civil Engineers; and a Life Member of the American Water Works Association.


Founder of Neuman & Esser (India) Ltd (German Process Compressor Company) in 2002 to develop their Global Package Engineering Centre, now engaged in various projects throughout Asia.

Founder of Gaso Energy Systems in 1993, with Partners, specialising in the design and fabrication of compressible fluid mechanics applications. The company has produced equipment for gas purification, gas/liquid dehydration, and gas separation. They also fabricate compressor packages and CNG packages. Previously, from 1976 to 1993 he worked for Atlas Copco concluding as Divisional Manger of theGas and Process Division.

Through his career he has acquired specialised training in the following assignments: Turbo Machinery and Packages, Linde Compressor Plant, Surth, West Germany--. 1987; Gas Screw and Oil Free Screw Compressors and Packages--Atlas Copco Plant, Antwerp. 1988; API 11P Reciprocating Compressors and Packages--Energy Industries, Corpus Christi USA . 1988; Adsorption Systems--UOP,1995 and Carbotech, 1999.

B.E. Mechanical Calcutta University 1974 and M.B.A Calcutta University 1983


He has over twenty-three years of working experience in the manufacturing industry in a Senior Level Corporate position. He has well-rounded engineering and business skills with a strong background in leading small to large organizations in systems organization, change management, corporate leadership and technology implementation. Rana has recently retired as Exec-VP of Engineering, R&D, QA, Process Improvement and Field Engineering Service, Velan Inc, Montreal, manufacturing industrial valves in 13 plants worldwide.

His technology skills range from Aerospace manufacturing, Boilers, pressure vessels, petrochemicals and power plant operations, apart from widespread exposure to common manufacturing engineering technology and operations management in an ERP environment. He has specialized knowledge in critical service applications, high level R&D in surface treatment technology including coatings/plating and heat treatment, stress and design analysis, selection of 3D modelling systems, FEA, CFD etc.

His original Bachelor’s degree is in Chemical Engineering from Washington University with an Executive Diploma in Management from McGill University.

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