Publications

1. Ranade, A.K.; Yamaguchi, A.; Miyauchi, M.; Ramaswami, S.; Yoshimura, C. (2025) Interface dependent electron shunting in graphene-integrated intimately coupled photocatalytic biodegradation. Water Research, 273, 123064. https://doi.org/10.1016/j.watres.2024.123064 

2. Sarosh, S.; Kulkarni, R. M.; Varma, E.; Sirivibha, S. P.; Ramaswami, S. (2024) Recirculating aquaculture system and nitrification – A review. Journal of the Indian Institute of Science. https://doi.org/10.1007/s41745-024-00443-7 

3. Kumari, S.; Ramaswami, S. (2024) Embracing urine diversion for sustainable (waste)water management: common practices, advantages, and challenges. Journal of the Indian Institute of Science. https://doi.org/10.1007/s41745-024-00438-4 

4. Nalladiyil, A.; Sughosh, P.; Babu, G. L. S.; Ramaswami, S. (2023) Landfill leachate treatment using fungi and fungal enzymes: a review. Biodegradation. https://doi.org/10.1007/s10532-023-10052-3 

5. Sarosh, S.; Ramaswami, S. (2023) Packed bed biofilm reactor for high-rate, robust and efficient nitrification in recirculating aquaculture system: a preliminary investigation. Chemical Engineering and Processing: Process Intensification, 188, 109359. https://doi.org/10.1016/j.cep.2023.109359

6. Atallah Al-asad, H.; Parniske, J.; Qian, J.; Alex, J.; Ramaswami, S.; Kätzl, K.; Morck, T. (2022) Development and application of a predictive model for enhanced advanced wastewater treatment by adsorption onto powdered activated carbon. Water Research, 217, 118427. https://doi.org/10.1016/j.watres.2022.118427 

7. Ramaswami, S.; Jalal Uddin, F. M.; Behrendt, J.; and Otterpohl, R. (2019) High-rate nitrification of saline wastewaters using fixed-bed reactors. Journal of Environmental Management, 243, 444–452. http://doi.org/10.1016/j.jenvman.2019.05.020 

8. Ramaswami, S.; Behrendt, J.; and Otterpohl, R. (2018) Comparison of NF-RO and RO-NF for the Treatment of Mature Landfill Leachates: A Guide for Landfill Operators. Membranes, 8(2). http://doi.org/10.3390/membranes8020017 

9. Ramaswami, S.; Behrendt, J.; Kalyanasundaram, S.; Eggers, S.; and Otterpohl, R. (2018) Experiences from an investigation on the potential of packed bed reactors for high rate nitrification of mature landfill leachates. Journal of Water Process Engineering, 22, 59–65. http://doi.org/10.1016/j.jwpe.2018.01.006 

10. Shah, T. M.; Ramaswami, S.; Behrendt, J.; and Otterpohl, R. (2017) Simultaneous removal of organics and ammonium-nitrogen from reverse osmosis concentrate of mature landfill leachate. Journal of Water Process Engineering, 19, 126–132. http://doi.org/10.1016/j.jwpe.2017.07.024 

11. Ramaswami, S.; Gulyas, H.; Behrendt, J.; and Otterpohl, R. (2017) Measuring nitrate concentration in wastewaters with high chloride content. International Journal of Environmental Analytical Chemistry, 97, 56–70. http://doi.org/10.1080/03067319.2016.1277215 

12. Ramaswami, S.; Behrendt, J.; Wang, G.; Eggers, S.; and Otterpohl, R. (2016) Combining magnesium ammonium phosphate precipitation with membrane processes for ammonia removal from methanogenic leachates. Water and Environment Journal, 30, 218–226. http://doi.org/10.1111/wej.12210 

13. Ramaswami, S.; Behrendt, J.; Gulyas, H.; and Otterpohl, R. (2016) Pretreatment of Wastewater from Licorice Processing—A Preliminary Evaluation. Water Environment Research, 88, 2032–2039. http://doi.org/10.2175/106143016X14733681695249 

1. Sreenivasan Ramaswami and Saquib Sarosh. "Biofilter for ammonia removal by nitrification in recirculating aquaculture systems". (filed)

1. Agrawal, R.; Ramaswami, S. (2025) “Submerged aerated filter: a compact, efficient and low-maintenance system for decentralised treatment of greywater and water recycling”, 14th IWA Water Reuse Conference, 16-20 March 2025, Cape Town, South Africa.

2. Agrawal, R.; Ramaswami, S. (2025) "Submerged aerated filter for compact and efficient biological treatment of Greywater", 12th ASCE International Perspectives on Water and the Environment (IPWE) conference, 8-10 January 2025, Bhopal, Madhya Pradesh, India.

3. Keerthi, N S.; Ramaswami, S. (2025) "Improved biodegradation of diclofenac in nitrifying packed bed biofilm reactor", 12th ASCE International Perspectives on Water and the Environment (IPWE) conference, 8-10 January 2025, Bhopal, Madhya Pradesh, India.

4. Lunawat, V.; Gupta, S.; Ramaswami, S. (2025) "Influence of biocarrier geometry in moving bed biofilm reactor process", 12th ASCE International Perspectives on Water and the Environment (IPWE) conference, 8-10 January 2025, Bhopal, Madhya Pradesh, India.

5. Sarosh, S.; Ramaswami, S. (2025) "Effect of salinity on nitrification performance in packed bed biofilm reactor", 12th ASCE International Perspectives on Water and the Environment (IPWE) conference, 8-10 January 2025, Bhopal, Madhya Pradesh, India.

6. Keerthi, N S.; Ramaswami, S. (2024) "High-rate tertiary nitrification using submerged fixed-bed biofilm reactor " [poster], 1st DAE-BRNS International Conference on Recent Developments in Biofilms and Biofouling Control (BBC-2024), 12-14 December 2024, Kalpakkam, Tamilnadu, India.     [ best poster award ]

7. Sarosh, S.; Ramaswami, S. (2024) "Salinity effect on nitrification in packed bed biofilm reactor", 1st DAE-BRNS International Conference on Recent Developments in Biofilms and Biofouling Control (BBC-2024), 12-14 December 2024, Kalpakkam, Tamilnadu, India.

8. Sarosh, S.; Ramaswami, S. "Compact packed bed biofilm reactor for efficient nitrification in recirculating aquaculture system",  19th IWA Leading Edge Conference on Water and Wastewater Technologies (https://iwa-let.org), 24-28 June 2024, Essen, Germany.  [poster] 

9. Sarosh, S.; Ramaswami, S. "Submerged aerated filter can offer high-rate robust nitrification at different temperatures",  3rd International Conference on Water Management in Changing Conditions (WMCC 2024) conference (www.wmcc2024.net), 14-15 May 2024, IFAT, Munich, Germany.

10. Sarosh, S.; Ramaswami, S. (2023) "Packed bed biofilm reactor: a robust & compact technology for efficient nitrification in intensive recirculating aquaculture systems" in 1st Indian International Conference on Water Quality Management, 4-8 December 2023, Bangalore, India. 

11. Sarosh, S.; Ramaswami, S. (2023) "Engineering packed bed biofilm reactors for intensive recirculating aquaculture systems" in 7th World Water Summit & Expo-2023, 25-26 August 2023, New Delhi, India.      --  Best paper award

12. Ramaswami, S.; Behrendt, J.; Kalyanasundaram, S.; Eggers, S.; and Otterpohl, R. (2017) “Nitrification of mature landfill leachate in packed bed biofilm reactors” in Sardinia 2017 - Sixteenth International Waste Management and Landfill Symposium, 2-6th October 2017, Cagliari, Italy.

13. Ramaswami, S.; Behrendt, J.; and Otterpohl, R. (2017) “Treatment of mature landfill leachate – RO-NF or NF-RO?” in Sardinia 2017 - Sixteenth International Waste Management and Landfill Symposium, 2-6th October 2017, Cagliari, Italy.

14. Ramaswami, S. (2017) “Waste management scenario in Bangalore: Scope for in-situ valorisation of biowaste” in Sardinia 2017 - Sixteenth International Waste Management and Landfill Symposium, 2-6th October 2017, Cagliari, Italy. http://doi.org/10.15480/882.1480

15. Ramaswami, S.; Ahmad, Z. N.; Slesina, M.; Behrendt, J.; and Otterpohl, R. (2016) “Nanofiltration for Safe Drinking Water in Underdeveloped Regions – A Feasibility Study” in 13th IWA Specialized Conference on Small Water and Wastewater Systems & 5th IWA Specialized Conference on Resources-Oriented Sanitation, 14-16th September 2016, Athens, Greece. http://doi.org/10.15480/882.1382

16. Ramaswami, S.; Behrendt, J.; Wang, G.; Eggers, S.; and Otterpohl, R. (2015) “Evaluation of chemical precipitation in combination with membrane processes for ammonium removal cum recovery from methanogenic leachates” in Sardinia 2015 - Fifteenth International Waste Management and Landfill Symposium, 5-9th October 2015, Cagliari, Italy.

17. Ramaswami, S.; Selabi, S. D.; Behrendt, J.; and Otterpohl, R. (2015) “Struvite recovery from methanogenic landfill leachate by chemical precipitation” in RAMIRAN 2015 - Rural-Urban Symbiosis - 16th International RAMIRAN Conference, 8-10th September 2015, Hamburg, Germany.

By Sreenivasan Ramaswami (unless stated otherwise)

1. “Resources oriented sanitation & Sustainable water management”; ATAL Faculty Development Program (FDP) on Sustainable Technologies for Advancing the Sustainable Development Goals (SDGs); 21 December 2024; Anil Neerukonda Institute of Technology and Sciences (ANITS), Visakhapatnam, India (online).

2. "From linear to circular approach for wastewater management"; SPARC Workshop cum International Symposium on Environmental Engineering and Sustainability;  23-24 November 2024; IIT (BHU) Varanasi.

3. "Wastewater Management & Circular Economy"; 38th  National Convention of Environmental Engineers; The Institution of Engineers (India); Kochi; 23-24 August 2024.   [ IEI Young Engineer Awardee Talk ]

4. "Sustainable (waste)water management: From linear to circular approach"; Alchemy 2024, NIT Tiruchirappalli, 07 April 2024 (online).

5. "Organic Micropollutants and its Removal from Municipal wastewater"; World Water Day National Seminar, Dayananda Sagar College of Engineering, Bangalore, 28 March 2024.

6. "Sustainable (Waste)water Management: Necessity & Paradigm shift"; Bengaluru EcoSummit 2024; Bangalore, 22-23 March 2024.

7. "Used (waste) water – A resource! Embracing resources-oriented approach"; 1st Indian International Conference on Water Quality Management, 4-8 December 2023, Bangalore, India. 

8. "Used (waste) water – A resource: Closing the water and nutrient loops"; The CRISP Conclave 2023; Bangalore, 19 May 2023.

9. "Hybrid processes for the removal of organic micropollutants" at the Indo-German workshop titled "Securing sustainable treatment for drinking water production and water recycling with focus on anionic contaminants" at Hamburg University of Technology (Hamburg, Germany), 20-22 July 2022.

10. "Routine Wastewater Quality Parameters: Principle, Analysis and Interpretation"; Training & Capacity Building Prorgamme on Effective Water Management; Ahmedabad Municipal Corporation; 17 June 2022.

11. Keynote lecture: "Improved technologies for ammonia removal from landfill leachates"; International Felicitation conference on 'Environmentally Benign Processes, Products and Materials for Sustainable Ecosystem' (EBPPM 2021); Department of Chemical Engineering, National Institute of Technology Tiruchirappalli (NIT Trichy); 19-20 November 2021 (online).

12. Guest lecture: “Landfill leachate treatment"; AICTE sponsored Faculty Development Programme on ‘Environmental and Sustainable Chemical Engineering' (ESCE); Department of Chemical Engineering, Pondicherry Engineering College; 23 December 2020 (online).

By Sreenivasan Ramaswami (unless stated otherwise)

1. Agrawal R.; Keerthi N S; Lunawat V M. "Wastewater Story". Induction course lecture for newly recruited science teachers from Kendriya Vidyalayas (pan India), IISc, Bangalore, 22 June 2024.

2. Guest lecture: "Fixed-bed biofilm reactor: a robust, reliable and compact technology for nitrification of wastewaters. A high-strength saline landfill leachate as a case study"; Webinar on Integrated Approach for Sustainable Environment; CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur; 28 February 2022 - National Science Day (online).

3. Guest lecture: "Chemical Engineering: Perspectives, Higher Studies & Research Opportunities"; IIChE NIT Trichy Student Chapter, National Institute of Technology Tiruchirappalli ; 25 February 2022 (online).