Forschung

Wastewater treatment, Removal of organic micropollutants, Modelling of wastewater treatment processes

Doctoral thesis:
High-rate nitrification of membrane-filtrated saline landfill leachate using fixed-bed biofilm
reactors (Link: https://doi.org/10.15480/882.2247)

Ongoing research projects:

Development of a simulation-based planning tool to evaluate advanced treatment technologies for the removal of organic micropollutants

Completed research projects

Scholarships and Awards

Highly Commended Paper - Outstanding Paper Award 2017 - Water and Environment Journal
DAAD Kongressreisenprogramm – 2016 und 2017
Gold medal – 42nd All India Student Design Competition 2011 (Discipline: Chemical engineering)
Indian Academy of Sciences Summer Research Fellowship 2011

Publications

Peer-reviewed Journals:

Ramaswami, S.; Jalal Uddin, F.M.; Behrendt, J.; Otterpohl, R. (2019):

High-rate nitrification of saline wastewaters using fixed-bed reactors. Journal of Environmental Management, 243, 444-452. doi: 10.1016/j.jenvman.2019.05.020.

Ramaswami, S.; Behrendt, J.; 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), 17. doi: 10.3390/membranes8020017

Ramaswami, S.; Behrendt, J.; Kalyanasundaram, S.; Eggers, S.; 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. doi: 10.1016/j.jwpe.2018.01.006

Shah, T. M.; Ramaswami, S.; Behrendt, J.; 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. doi: 10.1016/j.jwpe.2017.07.024

Ramaswami, S.; Gulyas, H.; Behrendt, J.; Otterpohl, R. (2017):

Measuring nitrate concentration in
wastewaters with high chloride content. International Journal of Environmental Analytical Chemistry,
97 (1), 56–70. doi:10.1080/03067319.2016.1277215

Ramaswami, S.; Behrendt, J.; Wang, G.; Eggers, S.; Otterpohl, R. (2016):

Combining magnesium ammonium phosphate precipitation with membrane processes for ammonia removal from
methanogenic leachates. Water and Environment Journal, 30 (3–4), 218–226. doi:10.1111/wej.12210

Ramaswami, S.; Behrendt, J.; Gulyas, H.; Otterpohl, R. (2016):

Pretreatment of wastewater from licorice processing - a preliminary evaluation. Water Environment Research, 88 (11), 2032–2039. doi:10.2175/106143016X14733681695249

Conference proceedings:

Morck, T.; Ramaswami, S.; Fuchs, S. (Hrsg.) (2019):
Siedlungswasserwirtschaft mit Weitblick - Von der Auslegung bis zur Rückgewinnung. Tagungsband der 32. Karlsruher Flockungstage 2019, Schriftenreihe SWW, Bd. 155, Verlag Siedlungswasserwirtschaft Karlsruhe, ISBN 978-3-945049-08-2, Nov. 2019

Ramaswami, S.; Behrendt, J.; Otterpohl, R. (2017):

Treatment of mature landfill leachate – RO-NF or NF-RO? Sardinia 2017 - Sixteenth International Waste Management and Landfill Symposium, 2-6th October 2017, Cagliari, Italy.

Ramaswami, S.; Behrendt, J.; Kalyanasundaram, S.; Eggers, S.; Otterpohl, R. (2017):

Nitrification of mature landfill leachate in packed bed biofilm reactors. Sardinia 2017.

Ramaswami, S. (2017):

Waste management scenario in Bangalore: Scope for in-situ valorisation of biowaste. Sardinia 2017.

doi: 10.15480/882.1480

Ramaswami, S.; Ahmad, Z. N.; Slesina, M.; Behrendt, J.; Otterpohl, R. (2016):

Nanofiltration for Safe Drinking Water in Underdeveloped Regions – A Feasibility Study. In the Proceedings of: 13th IWA Specialized Conference on Small Water and Wastewater Systems & 5th IWA Specialized Conference on
Resources-Oriented Sanitation, 14-16th September 2016, Athens, Greece. doi: 10.15480/882.1382

Behrendt, J.; Ramaswami, S.; Otterpohl, R. (2016):

Treatment options for wastewater from licorice processing. Beijing International Environmental Technology Conference, 21-24 October 2016, Beijing, China.

Ramaswami, S.; Behrendt, J.; Wang, G.; Eggers, S.; Otterpohl, R. (2015):

Evaluation of chemical precipitation in combination with membrane processes for ammonium removal cum recovery from methanogenic leachates. Sardinia Symposium 2015 - Fifteenth International Waste Management and
Landfill Symposium, 5-9th October 2015, Cagliari, Italy.

Ramaswami, S.; Selabi, S.D.; Behrendt, J.; Otterpohl, R. (2015):

Struvite recovery from methanogenic landfill leachate by chemical precipitation. RAMIRAN 2015 - Rural-Urban Symbiosis. Proceedings of the 16th International RAMIRAN Conference, 8-10th September 2015, Hamburg, Germany.

Career

seit 09/2019 Karlsruher Institut für Technology
Institute for Water and River Basin Management
Department of Aquatic Environmental Engineering
Scientific staff / PostDoc

02/2019 – 06/2019 DVGW Research Centre TUHH, Hamburg
Consultant

08/2014 – 10/2018 Hamburg University of Technology (TUHH)
Institute of Wastewater Management and Water Protection
Doctorate with Prof. Ralf Otterpohl
Dissertation: High-rate nitrification of membrane-filtrated saline landfill leachate using fixed-bed biofilm reactors

04/2014 – 07/2014 Hamburg University of Technology

Institute of Wastewater Management and Water Protection

Research Assistent

10/2012 – 03/2014 Hamburg University of Technology

Degree: Master of Science (MSc) in Environmental Engineering

Specialisation: Water and wastewater

Master thesis: Investigation of treatment options for highly loaded wastewater from licorice processing

07/2008 – 05/2012 National Institute of Technology Tiruchirappalli (NIT Trichy), Indien

Degree: Bachelor of Technology (B.Tech) in Chemical Engineering

Bachelor thesis: Manufacture of sulphuric acid by contact process