About
Professional SummaryPresently, he is a Associate Professor at the PSG Institute of Advanced Studies in the Dept of Nanobiotechnology, Coimbatore, India. Dr. John has obtained his Ph.D, in Biotechnology, Periyar University, Later, he moved to Hong Kong Baptist University, Hong Kong, in and Xi'an Jiaotong University, China, for his postdoctoral research in 2014–2023. His skills and expertise mainly lie in the subject areas of Organic solid waste management, and biomass to energy conversion. He is a member of the international water association and Biochar international. He has contributed more than 30 publications in peer reviewed journals.
Employment
Professional AppointmentsEducation
Academic Background-
Ph.D. Periyar University, Salem, India Biological Sciences | Jan 2010 — Dec 2014
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PostDoc Fellow The Hong Kong Baptist University, Hong Kong Biological Sciences | Mar 2014 — Mar 2017
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PostDoc. Xian Jiaotong University, China Biotechnology and Chemical Engineering | Dec 2017 — Feb 2019
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Post Doctoral Research Scientist The Hong Kong Baptist University, Hong Kong Biological Sciences | Mar 2019 — Nov 2023
Editorial Services
Editorial & Publishing Roles
Biology
Section Editor
Serving as Section Editor for Biology.
American Journal of Environmental Sciences
Section Editor
Serving as Section Editor for American Journal of Environmental Sciences.
Publications (33)
Selected Scholarly Contributions
Ultra-high selectivity for hydrogen production from formic acid over Pd–Ag alloy catalysts
2026
2026
Effect of different-sized bulking agents on nitrification process during food waste digestate composting
2026
Enhanced stability of food waste anaerobic digestion under low inoculum to substrate ratio by using biochar
2026
Influence of inoculum-to-substrate ratio on biogas enhancement during biochar-assisted co-digestion of food waste and sludge
2026
Exploring Mg‐Al Bimetallic Oxide Catalysts for Efficient Terephthalic Acid Recovery From Polyethylene Terephthalate
2025
Hydrogen production from biomass via a near-room temperature aqueous-phase tandem catalytic approach
2025
Hydrothermal pretreatment of food waste enhances performance of anaerobic co-digestion with sludge
2025
Hydrochar-enhanced hydrogen production from cassava industrial waste residue using
Enterobacter Aerogenes MTCC 2822
2025
One-pot synthesis of 2,5-diformylfuran from fructose using a bifunctional catalyst derived from phosphomolybdic acid and chitosan
2024
Applications of Green Hydrogen with Commercial Feasibility: Identifying Gaps, Perspectives, and Bottlenecks
2024
Efficient Dehydrogenation of Formic Acid at Room Temperature Using a Pd/Chitosan-Derived Nitrogen-Doped Carbon Catalyst: Synthesis, Characterization, and Kinetic Study
2023
Effect of Chinese medicinal herbal residues compost on tomato and Chinese cabbage plants: Assessment on phytopathogenic effect and nutrients uptake
2023
Photocatalytic degradation of naphthol blue from Batik wastewater using functionalized TiO2-based composites
2023
A review on mechanistic understanding of microplastic pollution on the performance of anaerobic digestion
2023
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
2022
Hydrochar prepared from digestate improves anaerobic co-digestion of food waste and sewage sludge: Performance, mechanisms, and implication
Davidraj Johnravindar
2022
Impact of total solids content on biochar amended co-digestion of food waste and sludge: Microbial community dynamics, methane production and digestate quality assessment
Davidraj Johnravindar
2022
Effect of inoculum pretreatment on the microbial and metabolic dynamics of food waste dark fermentation
Davidraj Johnravindar
2022
Economical Di-Rhamnolipids Biosynthesis by Non-Pathogenic Burkholderia thailandensis E264 Using Post-Consumption Food Waste in a Biorefinery Approach
2022
Metals and metallic composites as emerging nanocatalysts for fermentative hydrogen production.
Davidraj Johnravindar
2022
Biobutanol production from cassava waste residue using Clostridium sp. AS3 in batch culture fermentation
2021
Syntrophic interactions in anaerobic digestion: how biochar properties affect them?
2021
Food waste and sewage sludge co-digestion amended with different biochars: VFA kinetics, methane yield and digestate quality assessment
Davidraj Johnravindar
2021
Food waste digestate-based biorefinery approach for rhamnolipids production: A techno-economic analysis.
Davidraj Johnravindar
2021
Supplementing granular activated carbon for enhanced methane production in anaerobic co-digestion of post-consumer substrates
Davidraj Johnravindar
2020
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
Davidraj Johnravindar
2020
Value addition of anaerobic digestate from biowaste: Thinking beyond agriculture.
Davidraj Johnravindar
2020
Lipid accumulation potential of oleaginous yeasts: A comparative evaluation using food waste leachate as a substrate
Davidraj Johnravindar
2018
2017
2015
Molecular identification of amylase producing Bacillus subtilis and detection of optimal conditions
2013
Production of Extracellular Pectinase by Bacillus Cereus Isolated From Market Solid Waste
2011