Dr. Obulisamy Parthiba  Karthikeyan

Dr. Obulisamy Parthiba Karthikeyan

Professor
Hong Kong Baptist University, Hong Kong


Highest Degree
PostDoc Fellow in Greenhouse Gas Remediation from James Cook University, Australia

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Biography

Dr. Obulisamy Parthiba Karthikeyan is currently working as Research Assistant Professor at Sino-forest Applied Research Centre for Pearl River Delta Environment (ARCPE) Department of Biology, Hong Kong Baptist University (HKBU), Hong Kong. He earned his PhD in Environmental Sciences from Centre for Environmental Studies, Anna University, Chennai, TN, India and Post-doctoral Research Fellow at National University of Singapore (NUS). Previously he was appointed as Research Assistant for Project, Junior Project Associate and Senior Project Associate at Anna University, Chennai, TN, India and Senior Post-doctoral Research Fellow at James Cook University (JCU), Australia, and Senior Research Associate at ARCPE, Department of Biology, HKBU, Hong Kong. Dr. Obulisamy received honors includes Session co-chair (B4) in International Conference on Solid Waste 2015, Knowledge Transfer for Sustainable Resource Management, Australia-Thailand Research Exchange Award (Early Career Researcher Award) from the Australian Embassy in Thailand, and Travel Award from the Sino-Forest Applied Research Centre for the Pearl River Delta Environment, Hong Kong Baptist University. He has supervised 2 PhD, 6 Masters Students thesis. His main area of research interest focuses on management of solid wastes and industrial wastewater for developing countries (industrial engineering of metal-rich wastewater treatment/remediation technologies, Anaerobic digestion for landfill bioreactor design and process optimization, Greenhouse gas emission abatement strategies (methane and CO2), Environmental impact assessment for renewable energy projects, Bio-product development from renewable resources and industrial gases and Renewable fuel development and energy storage (microbial oil, methane, alcohols). He has published 2 books, 4 book chapters, and 33 peer-reviewed publications. He also delivered number of presentation in scientific meetings.

Area of Interest:

Environmental Sciences
100%
Bioenergy
62%
Biofuels
90%
Anaerobic Digestion
75%
Landfill
55%

Selected Publications

  1. Karthikeyan, O.P., K. Heimann and S.S. Muthu, 2017. Recycling of solid waste for Biofuel and Biochemical. Springer, Singapore., ISBN: 978-981-10-0150-5, Pages: 200..
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  2. Heimann, K., O.P. Karthikeyan and S.S. Muthu, 2017. Biodegradation and Bioconversion of Hydrocarbons. Springer, Singapore., ISBN: 978-981-10-0199-4, Pages: 350..
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  3. Razaghi, A., O.P. Karthikeyan, H.N. Hao and K. Heimann, 2016. Hydrolysis treatments of fruit and vegetable waste for production of biofuel precursors. Bioresour. Technol., 10.1016/j.biortech.2016.03.041.
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  4. Obulisamy, P.K., J.S.Y. May and B. Rajasekar, 2016. Gradient packing bed bio-filter for landfill methane mitigation. Bioresour. Technol., 10.1016/j.biortech.2016.01.059.
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  5. Karthikeyan, O.P., K. Chidambarampadmavathy, S. Nadarajan and K. Heimann, 2016. Influence of nutrients on oxidation of low level methane by mixed methanotrophic consortia. Environ. Sci. Pollut. Res., 23: 4346-4357.
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  6. Karthikeyan, O.P., A. Selvam and J.W. Wong, 2016. Hydrolysis-acidogenesis of food waste in solid-liquid-separating continuous stirred tank reactor (SLS-CSTR) for volatile organic acid production. Bioresour. Technol., 200: 366-373.
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  7. Karthikeyan, O.P., K. Chidambarampadmavathy, S. Nadarajan, P.K. Lee and K. Heimann, 2015. Effect of CH4/O2 ratio on fatty acid profile and polyhydroxybutyrate content in a heterotrophic-methanotrophic consortium. Chemosphere, 141: 235-242.
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  8. Karthikeyan, O.P., K. Chidambarampadmavathy, S. Cires and K. Heimann, 2015. Review of sustainable methane mitigation and biopolymer production. Crit. Rev. Environ. Sci. Technol., 45: 1579-1610.
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  9. Karthikeyan, O.P., A. Rajasekar and R. Balasubramanian, 2015. Bio-oxidation and bio-cynadization of refractory mineral ores for gold extraction: A review. Crit. Rev. Environ. Sci. Technol., 45: 1611-1643.
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  10. Hao, H.T.N., O.P. Karthikeyan and K. Heimann, 2015. Bio-refining of carbohydrate-rich food waste for biofuels. Energies, 8: 6350-6364.
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  11. Chidambarampadmavathy, K., P. Obulisamy and K. Heimann, 2015. Role of copper and iron in methane oxidation and bacterial biopolymer accumulation. Eng. Life Sci., 15: 387-399.
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  12. Chidambarampadmavathy, K., O.P. Karthikeyan and K. Heimann, 2015. Biopolymers made from methane in bioreactors. Eng. Life Sci., 15: 689-699.
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  13. Xu, S.Y., O.P. Karthikeyan, A. Selvam and J.W. Wong, 2014. Microbial community distribution and extracellular enzyme activities in leach bed reactor treating food waste: Effect of different leachate recirculation practices. Bioresour. Technol., 168: 41-48.
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  14. Xu, S., A. Selvam, O.P. Karthikeyan and J.W. Wong, 2014. Responses of microbial community and acidogenic intermediates to different water regimes in a hybrid solid anaerobic digestion system treating food waste. Bioresour. Technol., 168: 49-58.
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  15. Karthikeyan, O.P. and C. Visvanathan, 2014. ChemInform abstract: Bio-energy recovery from high-solid organic substrates by dry anaerobic bio-conversion processes: A review. ChemInform, Vol. 45. 10.1002/chin.201426286.
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  16. Karthikeyan, O.P. and C. Visvanathan, 2013. Bio-energy recovery from high-solid organic substrates by dry anaerobic bio-conversion processes: A review. Rev. Environ. Sci. Bio/Technol., 12: 257-284.
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  17. Heimann, K., O.P. Karthikayan and S. Cires, 2013. Turning bad gas into good solids. Queensland Min. Energy Bull., 2013: 92-96.
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  18. Xu, S.Y., O.P. Karthikeyan, A. Selvam and J.W. Wong, 2012. Effect of inoculum to substrate ratio on the hydrolysis and acidification of food waste in leach bed reactor. Bioresour. Technol., 126: 425-430.
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  19. Wong, J.W., A. Selvam, Z. Zhao, O.P. Karthikeyan, S.M. Yu, A.C. Law and P.C. Chung, 2012. In-vessel co-composting of horse stable bedding waste and blood meal at different C/N ratios: Process evaluation. Environ. Technol., 33: 2561-2567.
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  20. Sethurajan, M., R. Aruliah, O.P. Karthikeyan and R. Balasubramanian, 2012. Bioleaching of copper from black shale ore using mesophilic mixed populations in an air up-lift bioreactor. Environ. Eng. Manage. J., 11: 1839-1848.
  21. Karthikeyan, O.P., K. Joseph and S. Esakku, 2012. Methane emission potential of open dumps in Chennai: A case study. Int. J. Environ. Technol. Manage., 15: 291-304.
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  22. Karthikeyan, O.P. and C. Visvanathan, 2012. Effect of C/N ratio and ammonia-N accumulation in a pilot-scale thermophilic dry anaerobic digester. Bioresour. Technol., 113: 294-302.
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  23. Xu, S.Y., H.P. Lam, O.P. Karthikeyan and J.WC. Wong, 2011. Optimization of food waste hydrolysis in leach bed coupled with methanogenic reactor: Effect of pH and bulking agent. Bioresour. Technol., 102: 3702-3708.
    PubMed  |  
  24. Visvanathan, C., O.P. Karthikeyan and K.H. Park, 2011. Sustainable landfilling in tropical conditions: Comparison between open and closed cell approach. Waste Manage. Res., 29: 386-396.
    PubMed  |  
  25. Nithikul, J., O.P. Karthikeyan and C. Visvanathan, 2011. Reject management from a mechanical biological treatment plant in Bangkok, Thailand. Resou. Conserv. Recycling, 55: 417-422.
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  26. Karthikeyan, O.P., S. Murugesan, K. Joseph and L. Philip, 2011. Characterization of particulate matters and volatile organic compounds in the ambient environment of open dumpsites. Univ. J. Environ. Res. Technol., 1: 140-150.
  27. Visvanathan, C., N.H. Yin and O.P. Karthikeyan, 2010. Co-disposal of electronic waste with municipal solid waste in bioreactor landfills. Waste Manage., 30: 2608-2614.
    PubMed  |  
  28. Swati, M., O.P. Karthikeyan, K. Joseph, C. Visvanathan and R. Nagendran, 2010. Pilot-scale simulation of landfill bioreactor and controlled dumping of fresh and partially stabilized municipal solid waste in a tropical developing country. J. Hazard. Toxic Radioact. Waste, 15: 321-330.
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  29. Salini, S., O.P. Karthikeyan and K. Joseph, 2010. Biological stability of municipal solid waste from simulated landfills under tropical environment. Bioresoruce Technol., 101: 845-852.
    PubMed  |  
  30. Ganesh, G., O.P. Karthikeyan and K. Joseph, 2010. Enhancing the hydrolysis step in anaerobic digestion of municipal solid waste using rumen fluid. Int. J. Environ. Technol. Manage., 13: 311-321.
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  31. Karthikeyan, O.P., S. Murugesan, K. Joseph and R. Nagendran, 2008. Leaching of Inorganic Pollutants from fresh and mined waste: A lysimeter study under tropical conditions. Int. J. Environ. Waste Manage., 2: 49-64.
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  32. Karthikeyan, O.P. and K. Joseph, 2008. Chemical precipitation of Ammonia-N as Struvite (MAP) from landfill leachate-effect of molar ratio upon recovery. Int. J. Solid Waste Technol. Manage., 34: 20-26.
  33. Esakku, S., O.P. Karthikeyan, R. Nagendran and K. Joseph, 2008. Heavy metal fractionation and leachability studies on fresh and partially decomposed municipal solid wast. Pract. Periodicals Hazardous, Toxic Radio Waste Manage., 12: 127-132.
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  34. Swati, M., O.P. Karthikeyan, K. Joseph and R. Nagendran, 2007. Landfill bioreactor-a biotechnological solution for waste management. J. Sci. Ind. Res., 66: 589-674.
  35. Karthikeyan, O.P., M. Swati, K. Joseph and R. Nagendran, 2007. Performance of bioreactor landfill with waste mined from dumpsite. J. Environ. Monit. Assess., 135: 141-151.
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