Microbiological insights into anaerobic digestion for biogas, hydrogen or volatile fatty acids (VFAs): a review

S Harirchi, S Wainaina, T Sar, SA Nojoumi… - …, 2022 - Taylor & Francis
In the past decades, considerable attention has been directed toward anaerobic digestion
(AD), which is an effective biological process for converting diverse organic wastes into …

Resource recovery and circular economy from organic solid waste using aerobic and anaerobic digestion technologies

S Wainaina, MK Awasthi, S Sarsaiya, H Chen… - Bioresource …, 2020 - Elsevier
With the inevitable rise in human population, resource recovery from waste stream is
becoming important for a sustainable economy, conservation of the ecosystem as well as for …

Bioengineering of anaerobic digestion for volatile fatty acids, hydrogen or methane production: a critical review

S Wainaina, Lukitawesa, M Kumar Awasthi… - …, 2019 - Taylor & Francis
Anaerobic digestion (AD) is a well-established technology used for producing biogas or
biomethane alongside the slurry used as biofertilizer. However, using a variety of wastes …

Techno-economics and life-cycle assessment of biological and thermochemical treatment of bio-waste

MK Awasthi, S Sarsaiya, S Wainaina… - … and Sustainable Energy …, 2021 - Elsevier
The energy sector contributed to three-fourth of overall global emissions in the past decade.
Biological wastes can be converted to useful energy and other byproducts via biological or …

Food waste biorefinery: Pathway towards circular bioeconomy

B Tsegaye, S Jaiswal, AK Jaiswal - Foods, 2021 - mdpi.com
Food waste biorefineries for the production of biofuels, platform chemicals and other bio-
based materials can significantly reduce a huge environmental burden and provide …

Microbial dynamics during anaerobic digestion of sewage sludge combined with food waste at high organic loading rates in immersed membrane bioreactors

S Qin, S Wainaina, H Liu, AM Soufiani, A Pandey… - Fuel, 2021 - Elsevier
This study was designed to evaluate the microbial profiling of anaerobic digestion during the
processing of sewage sludge and food waste to volatile fatty acids (VFAs) in an immersed …

[PDF][PDF] RETRACTED ARTICLE: Metagenomics for taxonomy profiling: tools and approaches

M Kumar Awasthi, B Ravindran, S Sarsaiya… - …, 2020 - Taylor & Francis
Statement of Retraction We have retracted the following article: Mukesh Kumar Awasthi, B.
Ravindran, Surendra Sarsaiya, Hongyu Chen, Steven Wainaina, Ekta Singh, Tao Liu, Sunil …

Anaerobic digestion of food waste to volatile fatty acids and hydrogen at high organic loading rates in immersed membrane bioreactors

S Wainaina, MK Awasthi, IS Horváth, MJ Taherzadeh - Renewable Energy, 2020 - Elsevier
The organic loading rate (OLR) is an essential parameter that controls the anaerobic
digestion process. This work investigated the performance of immersed membrane …

Understanding acidogenesis towards green hydrogen and volatile fatty acid production–critical analysis and circular economy perspective

S Dahiya, Y Lingam, SV Mohan - Chemical Engineering Journal, 2023 - Elsevier
Acidogenic fermentation of biomass/waste/wastewater for the generation of short-chain fatty
acids (VFAs) is gaining interest associated with the production of bioenergy (biohydrogen …

Recycling strategies for polyhydroxyalkanoate-based waste materials: An overview

DH Vu, D Åkesson, MJ Taherzadeh, JA Ferreira - Bioresource technology, 2020 - Elsevier
The plastics market is dominated by fossil-based polymers, but their gradual replacement by
bioplastics (eg, polyhydroxyalkanoates) is occurring. However, recycling strategies need to …