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 …

[HTML][HTML] Bio-based volatile fatty acid production and recovery from waste streams: Current status and future challenges

M Atasoy, I Owusu-Agyeman, E Plaza… - Bioresource technology, 2018 - Elsevier
Bio-based volatile fatty acid (VFA) production from waste-stream is getting attention due to
increasing market demand and wide range usage area as well as its cost-effective and …

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 …

Valorization of volatile fatty acids from the dark fermentation waste Streams-A promising pathway for a biorefinery concept

PT Sekoai, A Ghimire, OT Ezeokoli, S Rao… - … and Sustainable Energy …, 2021 - Elsevier
In recent years, much attention has been directed towards the integration of dark
fermentation process into a biorefinery concept to enhance the energetic gains, thereby …

Intensification of acidogenic fermentation for the production of biohydrogen and volatile fatty acids—a perspective

S Nagarajan, RJ Jones, L Oram, J Massanet-Nicolau… - Fermentation, 2022 - mdpi.com
Utilising 'wastes' as 'resources' is key to a circular economy. While there are multiple routes
to waste valorisation, anaerobic digestion (AD)—a biochemical means to breakdown …

Value proposition of untapped wet wastes: carboxylic acid production through anaerobic digestion

AH Bhatt, ZJ Ren, L Tao - Iscience, 2020 - cell.com
Although traditional anaerobic digestion (AD) process to produce methane-rich biogas from
wet waste is deep-rooted, high carbon footprint and its low value as compared with other …

Thermophilic hydrogen and methane production from sugarcane stillage in two-stage anaerobic fluidized bed reactors

LR Ramos, EL Silva - International Journal of Hydrogen Energy, 2020 - Elsevier
This study evaluated the feasibility of H 2 and CH 4 production in two-stage thermophilic
(55° C) anaerobic digestion of sugarcane stillage (5,000 to 10,000 mg COD. L− 1) using an …

[HTML][HTML] Electron bifurcation mechanism and homoacetogenesis explain products yields in mixed culture anaerobic fermentations

A Regueira, R González-Cabaleiro, ID Ofiţeru… - Water Research, 2018 - Elsevier
Anaerobic fermentation of organic wastes using microbial mixed cultures is a promising
avenue to treat residues and obtain added-value products. However, the process has some …

High-purity propionate production from glycerol in mixed culture fermentation

Y Chen, T Wang, N Shen, F Zhang, RJ Zeng - Bioresource technology, 2016 - Elsevier
High-purity propionate production from glycerol in mixed culture fermentation (MCF) induced
by high ammonium concentration was investigated. Fed-batch experiments revealed that …

Production of chemicals in thermophilic mixed culture fermentation: mechanism and strategy

K Dai, W Zhang, RJ Zeng, F Zhang - Critical Reviews in …, 2020 - Taylor & Francis
Thermophilic mixed culture fermentation (TMCF) has advantages such as high substrate
degradation rate (eg 0.5 d− 1 of 60° C vs 0.2 d− 1 of 35° C), hydrogen and methane yields …