Recovery of volatile fatty acids by reactive extraction using tri‐n‐octylamine and tri‐butyl phosphate in different solvents: Equilibrium studies, pH and temperature effect, and optimization using multivariate taguchi approach
Sign Up to like & getrecommendations! Published in 2017 at "Canadian Journal of Chemical Engineering"
DOI: 10.1002/cjce.22803
Abstract: Recovery of volatile fatty acids from fermentation broth has been investigated by adopting an intensified approach using extractants tri-n-octylamine and tri-butyl phosphate dissolved in 1-decanol and methyl isobutyl ketone. The effects on distribution coefficient (KD)… read more here.
Keywords: tri octylamine; extraction; octylamine tri; fatty acids ... See more keywords
Biogas and Volatile Fatty Acids Production: Temperature as a Determining Factor in the Anaerobic Digestion of Spirulina platensis
Sign Up to like & getrecommendations! Published in 2018 at "Waste and Biomass Valorization"
DOI: 10.1007/s12649-018-0275-0
Abstract: This investigation compared the digestion in completely stirred tank reactor (CSTR) of Spirulina platensis at two digestion temperatures (25 and 35 °C). This comparison was conducted in terms methane production, organic matter (COD) removal, volatile fatty… read more here.
Keywords: production; fatty acids; digestion; volatile fatty ... See more keywords
Improving production of volatile fatty acids and hydrogen from microalgae and rice residue: Effects of physicochemical characteristics and mix ratios
Sign Up to like & getrecommendations! Published in 2018 at "Applied Energy"
DOI: 10.1016/j.apenergy.2018.09.066
Abstract: Abstract Dark fermentation may be hindered by insufficient bioavailable carbon and nitrogen sources as well as recalcitrant cell wall structures of substrates. Protein-rich microalgae and carbohydrate-rich rice residue with various mix ratios can optimise biohydrogen… read more here.
Keywords: microalgae; mix ratios; fatty acids; volatile fatty ... See more keywords
Rapid generation of volatile fatty acids (VFA) through anaerobic acidification of livestock organic waste at low hydraulic residence time (HRT).
Sign Up to like & getrecommendations! Published in 2017 at "Bioresource technology"
DOI: 10.1016/j.biortech.2017.04.005
Abstract: The purpose of this study was to investigate the effect of pre-treatment and F/M (Food to Microorganism) ratios for the rapid generation of volatile fatty acids (VFA) from livestock organic wastes (cattle manure (CM) and… read more here.
Keywords: treatment; fatty acids; volatile fatty; generation volatile ... See more keywords
Mitigating inhibition of undissociated volatile fatty acids (VFAs) for enhanced sludge-rice bran composting with ferric nitrate amendment.
Sign Up to like & getrecommendations! Published in 2017 at "Bioresource technology"
DOI: 10.1016/j.biortech.2017.08.017
Abstract: This study investigated the effect of ferric nitrate on mitigating the inhibition of volatile fatty acids (VFAs) during the initial phase of sewage sludge composting amended with rice bran. During the 34-day lab-scale composting, the… read more here.
Keywords: vfas; volatile fatty; ferric nitrate; nitrate ... See more keywords
Acidogenic digestion of food waste in a thermophilic leach bed reactor: Effect of pH and leachate recirculation rate on hydrolysis and volatile fatty acid production.
Sign Up to like & getrecommendations! Published in 2017 at "Bioresource technology"
DOI: 10.1016/j.biortech.2017.08.130
Abstract: The effect of pH control (4, 5, 6, 7) on volatile fatty acids (VFA) production from food waste was investigated in a leach bed reactor (LBR) operated at 50°C. Stabilisation of pH at 7 resulted… read more here.
Keywords: production; volatile fatty; food waste; bed reactor ... See more keywords
Recovery of mixed volatile fatty acids from anaerobically fermented organic wastes by vapor permeation membrane contactors.
Sign Up to like & getrecommendations! Published in 2018 at "Bioresource technology"
DOI: 10.1016/j.biortech.2017.11.061
Abstract: Volatile fatty acids (VFAs) are attractive compounds in renewable based bio-refinery industries and can be produced through anaerobic digestion of organic wastes. Nevertheless, the recovery of VFAs from anaerobically digested organic wastes is the bottleneck… read more here.
Keywords: recovery; organic wastes; fatty acids; volatile fatty ... See more keywords
Food waste-derived volatile fatty acids platform using an immersed membrane bioreactor.
Sign Up to like & getrecommendations! Published in 2019 at "Bioresource technology"
DOI: 10.1016/j.biortech.2018.11.104
Abstract: Volatile fatty acids (VFAs) are the key intermediates from anaerobic digestion (AD) process that can be a platform to synthesize products of higher value than biogas. However, some obstacles still exist that prevent large-scale production… read more here.
Keywords: immersed membrane; fatty acids; volatile fatty; food waste ... See more keywords
Agroindustrial waste as a resource for volatile fatty acids production via anaerobic fermentation.
Sign Up to like & getrecommendations! Published in 2019 at "Bioresource technology"
DOI: 10.1016/j.biortech.2019.122486
Abstract: This study evaluated the feasibility of the anaerobic digestion as a sustainable valorisation strategy for volatile fatty acids production from agroindustrial waste (cucumber, tomato and lettuce). High bioconversion efficiencies were reached by operating the reactors… read more here.
Keywords: acids production; fatty acids; agroindustrial waste; volatile fatty ... See more keywords
A novel approach of synchronously recovering phosphorus as vivianite and volatile fatty acids during waste activated sludge and food waste co-fermentation: Performance and mechanisms.
Sign Up to like & getrecommendations! Published in 2020 at "Bioresource technology"
DOI: 10.1016/j.biortech.2020.123078
Abstract: This research proposed an innovative approach to synchronously enhance the recovery of phosphorus (P) as vivianite and volatile fatty acids (VFAs) during waste activated sludge (WAS) and food waste (FW) co-fermentation. A high performance was… read more here.
Keywords: phosphorus vivianite; waste; fatty acids; volatile fatty ... See more keywords
A new strategy to recover from volatile fatty acid inhibition in anaerobic digestion by photosynthetic bacteria.
Sign Up to like & getrecommendations! Published in 2020 at "Bioresource technology"
DOI: 10.1016/j.biortech.2020.123501
Abstract: The accumulation of volatile fatty acids (VFAs) can decrease reactor pH and inhibit methane-producing process. For the first time, photosynthetic bacteria (PSB) were used to recover from VFAs inhibition (pH 6.0) of an anaerobic digestion… read more here.
Keywords: inhibition anaerobic; volatile fatty; anaerobic digestion; photosynthetic bacteria ... See more keywords