Professional Brief
Academic Profile
Doctor of Philosophy: Biotechnology – Periyar University, Salem, India (2014)
Master of Science: Biotechnology – Bharathidasan University, St. Joseph’s College, Tiruchirappalli, India (2009)
Bachelor of Science – Plant Biology and Plant Biotechnology- Bharathidasan University, St. Joseph’s College, Tiruchirappalli, India (2007)
Professional Experience
Postdoctoral Research Associate
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong : Mar 2019 – Oct 2023
Postdoctoral Fellow
- School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi : 2017 – 2019
Postdoctoral Fellow
- Sino-Forest Applied Research Centre for Pearl River Delta Environment (ARCPE), Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong : 2015 – 2017
Research Fellow
- Department of Biotechnology, Periyar University, Salem, India: 2010 – 2013
Honors, Awards & Grants
Chaired for a technical session at the International Conference on Solid Waste-2023, Hong Kong Convention and Exhibition Centre
2023
Best Research Paper Award, International Conference on Solid Waste-2023. Hong Kong Convention and Exhibition Centre
2023
Best Research Poster Award, Asia-Pacific Conference on Biotechnology for Waste Conversion 2016 Hong Kong SAR, China
6-8th Dec 2016
Research Fellow in a Major Research Project Sponsored by the University Grants Commission, New Delhi, India
Research Interests
- Organic solid waste management
- Biomass conversion and biorefinery
- Microbial fermentation and resource recovery from biowaste
- Biological nutrient removal and wastewater treatment
Collaborates
Prof. Jonathan Wong, PhD BBS MH JP
Director, Institute of Bioresource and Agriculture (IBA)
Director, Hong Kong Organic Resource Centre (HKORC)
Department of Biology, Hong Kong Baptist University, Hong Kong.
Dr. A. Selvam
Associate Professor
Monoammonium Sundaranar University,
Tirunelveli-636011, India.
Journal Editorial Board member in
- Journal of Biology Insights
- American Journal of Environmental and Resource
- Guest editor in Journal of Nanomaterials (Dec 2021- Apr 2022)
- Guest editor in Sustainability (Sep 2022- Jan 2023)
Membership in Professional Bodies
- International Water Association (IWA)- (1623894)
- International Biochar Initiative (IBI)
Publications
Impact of total solids content on anaerobic co-digestion of wheat straw biochar and food waste/sludge: methane production and digestate quality assessment
Johnravindar D, Liang J, Kaur G, Lou L, Selvam A, Zhao J, Manu M.K, Wong J.W.C.
Bioresource Technol. 1-31, 2022
A review on mechanistic understanding of microplastic pollution on the performance of anaerobic digestion
Manu M. K, Lou L, Kumar R, Johnravindar D, Zhao J, Wong J.W.C.
Environmental pollution. 121426, 2023
Effect of Chinese medicinal herbal residues compost on tomato and Chinese cabbage plants: Assessment on phytopathogenic effect and nutrients uptake
Zhou Y, Manu M.K, Li D, Johnravindar D, Selvam A, Varjani S, Wong J.W.C.
Environ Res. 1; 216: 114747, 2023
Influence of inoculum-to-substrate ratio on biogas enhancement during biochar-assisted co-digestion of food waste and sludge
Johnravindar D, Kumar R, Luo L, Jun Z, Manu M.K, Wang H, Wong J.W.C.
Environ Technol. 22:1-31, 2022
Bioreactor-scale production of rhamnolipids from food waste digestate and its recirculation into anaerobic digestion for enhanced process performance: Creating closed-loop integrated biorefinery framework
Johnravindar D, Wong J.W.C, Patria R.D, Uisan K, Kumar R, Kaur G.
Bioresour Technol. 360:127578, 2022
Effect of inoculum pretreatment on the microbial and metabolic dynamics of food waste dark fermentation
Luo L, Sriram S, Johnravindar D, Martin L.P.T, Wong J.W.C, Pradhan N.
Bioresour Technol. 358: 127404., 2022
Metals and metallic composites as emerging nanocatalysts for fermentative hydrogen production
Mishra P, Johnravindar D, Wong J.W.C, Zhao J.
Sustainable Energy & Fuels doi.org/10.1039/D2SE01165D, 2022
Photocatalytic degradation of naphthol blue from Batik waste using functionalized TiO 2-based composites
Utami M, Wang S, Musawwa M.M, Mafruhah L, Fitri M, Wijaya K, Johnravindar D, Abd-Elkader O.H, Yadav K.K, Ravindran B, Chung W, Chang S.W, Munusamy R.G.
Chemosphere. 17:139224, 2023
Economical Di-Rhamnolipids Biosynthesis by Non-Pathogenic Burkholderia thailandensis E264 Using Post-Consumption Food Waste in a Biorefinery Approach
Kumar R, Johnravindar D, Wong J.W.C, Patria RD, Kaur G.
Sustainability. 15, 59: 1-16, 2022
Effect of different-sized bulking agents on nitrification process during food waste digestate composting
Li D, Kumar R, Johnravindar D, Luo L, Zhao J, Manu M.K.
Environ Technol. 22:1-28, 2023
Enhanced stability of food waste anaerobic digestion under low inoculum-to-substrate ratios by using biochar
Luo L, Chu P, Liang J, Johnravindar D, Zhao J, Wong J.W.C.
Environ Technol. 28: 1-10, 2022
Hydrochar prepared from digestate improves anaerobic co-digestion of food waste and sewage sludge: Performance, mechanisms, and implication
Xu Q, Luo L, Li D, Johnravindar D, Varjani S, Wong J.W.C, Zhao J.
Bioresour Technol. 362:127765, 2022
Effect of rice husk and palm tree-based biochar addition on the anaerobic digestion of food waste/sludge
Ovi D, Chang S.W, Wong J.W.C, Johnravindar D, Varjani S, Jeung J.H, Chung W.J, Thirupathi A, Balasubramani R.
Fuel, 315, 123188, 2022
Food waste and sewage sludge co-digestion amended with different biochars: VFA kinetics, methane yield, and digestate quality assessment
Johnravindar D, Wong J.W.C, Chakraborty D, Kaur G.
J. Environ. Manage. 290, 112457, 2021
Syntrophic interactions in anaerobic digestion: how biochar properties affect them
Johnravindar D, Patria R.D, Lee T.E, Zhang L, Tong Y.W, Wang C.H, Yong Sik Ok, Kaur G.
Sustainable Environment, 7:1, 1945282, 2021
Enhanced volatile fatty acid degradation and methane production efficiency by biochar addition in food waste-sludge co-digestion: A step towards increased organic loading efficiency in co-digestion
Johnravindar D, Kaur G, Wong J.W.C.
Bioresour Technol. 308, 123250, 2020
Supplementing granular activated carbon for enhanced methane production in anaerobic co-digestion of post-consumer substrates
Johnravindar D, Liang B, Fu R, Luo G, Meruvu H, Yang S, Yuan B, Qiang F.
Biomass and Bioenergy, 136, 105543, 2020
Value-addition of anaerobic digestate from biowaste: Thinking beyond agriculture
Kaur G, Wong J.W.C, Kumar R, Patria R.D, Bhardwaj A, Uisan K, Johnravindar D.
Current Sustainable/Renewable Energy Reports, 2020
Valorization of an anaerobic butanol-producing isolate Clostridium sp from sago industrial waste
Johnravindar D, Elangovan N, Murugesan K, Gopal N.O, Qiang F.
Journal of Biofuel, 2019
Lipid accumulation potential of oleaginous yeasts: A comparative evaluation using food waste leachate as a substrate
Johnravindar D, Parthiba Karthikeyan O, Selvam A, Murugesan K, Wong J.W.C.
Bioresour Technol. 248, 221-228, 2017
Book Chapters / Proceedings Published
Effects of Hydrothermal Pretreatment and the Activated Sludge on Anaerobic Digestion of Food Waste
Johnravindar D, Zhao J, Manu MK, Wong JWC
Proceedings Book-International Conference on Solid Waste Management in Circular Economy and Climate Resilience. Hong Kong SAR | 2023 | ISBN 978-988-77879-7-6
Effect of wheat straw pellet biochar addition on food waste/sludge anaerobic co-digestion
Johnravindar D, Zhao J, Manu MK, Wong JWC
Proceedings Book-international conference on sustainable Biowaste management 2021, Hong Kong SAR, P.R. China | 12-15 April 2021| ISBN 978-988-19988-0-4
Assessment of potential ethanol-producing yeast strain isolation from sago industrial waste
Johnravidar D, Kavitha P, Elangovan N
In: New Horizons in Biotechnology and Bio nanomedicines (Part-III) | 2014 | ISBN 978-93-82471-32-5 | Jaya Publishing House, New Delhi
Plant Lipidomics: Signaling and Analytical Strategies. PlantOmics: The Omics of Plant Science
Elangovan N, Kowsalya R, Pavan Kumar P, Manigandan K, Richard L.J, Johnravindar D, and Jagatheesh K
Springer | 2015 | pp 331-356
Conferences / Seminars Presented
Effects of hydrothermal pretreatment and the activated sludge on anaerobic digestion of food waste
Johnravindar D, Zhao J, Manu M.K, Wong J.W.C.
International Conference on Solid Waste 2023 May 30-3, 2023. Hong Kong Convention and Exhibition Centre
Synthesis of Pd-CNT Based Hybrid and Its Application in Hydrogen Production from Formic Acid at Ambient Temperature
Johnravindar D, Zhao J, Manu M.K, Wong J.W.C.
International Conference on Solid Waste 2023 May 30-3, 2023. Hong Kong Convention and Exhibition Centre
Effect of Wheat straw pellet biochar addition on food waste/sludge anaerobic co-digestion
Johnravindar D, Kaur G, Wong J.W.C.
International Conference on Sustainable Biowaste Management-2021(SBM2021)
Apr 12-14, 2021. Hong Kong Baptist University
Apr 12-14, 2021. Hong Kong Baptist University
High Value-Added Valorization of Food Waste Streams to Rhamnolipids
Johnravindar D, Kaur G, Wong J.W.C, Kumar R, Patria R.D, Uisan K
American Institute of Chemical Engineere’s (AIChE) Sep 12, 2009. South Korea
Invited Lecture on Effect of biochar addition on VFA degradation and methane production in anaerobic co-digestion
Johnravindar D, Kaur G, Wong JWC.
International Conference on Solid Waste (ICSW-2019), Zhejiang University, Hangzhou, China Nov 13-16, 2019. China
Effect of biochar addition on VFA degradation and methane production in food waste/sludge co-digestion
Johnravindar D, Kaur G, Wong J.W.C.
International Conference on New Horizons in Biotechnology (NHBT-2019)The Biotech Research Society, India. Nov 20-24, 2019. Trivandrum, Kerala, India
Effect of biogas driven different headspace pressure on the performance of acidogenic reactor treating food waste
Wong J.W.C, Johnravindar D, Karthikeyan O.P, Selvam A
The 3rd Symposium of IWWG-ARB Apr 12-14, 2017. Seoul National University, Korea
Food waste valorization by oleaginous yeast for biollipid production
Johnravindar D, Parthiba Karthikeyan O, Selvam A, Murugesan K, Wong JWC
Asia-Pacific Conference on Biotechnology for Waste Conversion 2016 Hong Kong SAR Dec 6-8, 2016. China
GENE BANK ENTRIES
- KF938582/ Clostridium sp. AS3 / Butanol produced strain
- KF938583/Clostridium bifermentans strain PNAS1/ Butanol produced strain
- KF938584/Clostridium bifermentans strain SBI4 / Butanol produced strain
- KF957997/ Bacillus coagulans strain NSW/ Butanol produced strain
- KJ001837/ Clostridium sp. SB5. / Butanol produced strain
- KC505641/ Paenibacillus strain AS2-I / Butanol tolerance strain
- JX893034/Bacillus megaterium strain SS3-18 / Butanol tolerance strain
- JX893033/Bacillus circulans strain SD-16 / Butanol tolerance strain
- JQ824382/Bacillus tequilensis strain SD-8/ Butanol tolerance strain
- JQ824381/Bacillus aryabhattai strain AS3-5 / Butanol tolerance strain
- JQ824383/Bacillus aryabhattai strain SS3-21/ Butanol tolerance strain
- JX573541/ Bacillus tequilensis strain AS3 7/ Amylase producing strain
- JX573542/Bacillus subtilis strain SSII2/ Amylase producing strains
