2020/12/7/ · The global production. of municipal solid wastes was estimated to be. 2.01 billion tons of solid wastes in 2016. 32-. 50% of those wastes are considered to be organic. wastes. By 2050, the
Abstract. The complexity and high cost to separate and recover short chain fatty acids (SCFAs), ammonium ions, and phosphates in the sludge fermentation liquid hinder the application of sludge anaerobic fermentation. In this study, an interesting phenomenon was found in a sludge anaerobic fermenter with a dynamic membrane (DM) which could not
2022/8/2/ · Recent advances on organic biofertilizer production from anaerobic fermentation of food waste: Overview. Author links open overlay panel Mohammed Y. Areeshi. Show more. Add to Mendeley. In order to reduce the massive application of inorganic fertilizers and insecticides many eco-friendly, PGP bacteria are still at the
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2021/9/6/ · Solid-state fermentation (SSF) is a kind of fermentation in which microorganisms grow on the solid materials in the absence (or near absence) of free water; sufficient moisture, however, should be available in the solid particles in order to support the growth and metabolism of the microorganisms [5, 12]. In this process, the solid materials
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The bio-reduction of hexavalent chromium (Cr(VI)) by anaerobic fermentation is considered as a promising, low-cost and environment-friendly way. However, it is unclear for the reduction mechanisms of Cr(VI) in an anaerobic hydrogen fermenter, such as reduction kinetics, related electron donors, migration and transformation, reduction site
2020/11/1/ · Anaerobic digestion (AD) of sewage sludge (SS) and anaerobic co-digestion (AcoD) of SS and wine distillery wastewater (WDW) was investigated at different hydraulic retention times (HRTs), ranging from 20 to 8 d. The mixture of SS and WDW resulted in a highly improved quality of feedstock: soluble organic matter and organic
2010/3/15/ · Meanwhile, at pH 5.5, sludge dewaterability deteriorated slightly with the fermentation time, whereas at pH 10.0 it deteriorated greatly with the fermentation time. Moreover, the mechanism of VFA improvement was also explored. It was suggested that anaerobic fermentation process at pH 10.0 should be reconsidered to be applied as an
2012/1/1/ · Complex organic matter represents a suitable substrate to produce hydrogen through dark fermentation (DF) process. To increase H 2 yields, pretreatment technology is often required. The main objective of the present work was to investigate thermo-acid pretreatment impact on sugar solubilization and biotic parameters of DF of sorghum or
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2010/3/15/ · Anaerobic fermentation at pH 10.0 was the first be shown having marked reduction effect on total bromate in excess sludge when compared with pH 5.5. It was suggested that anaerobic fermentation process at pH 10.0 should be reconsidered to be applied as an eco-friendly material recycling process, based on its sludge dewaterability
2021/1/15/ · Anaerobic fermentation is a promising process to recover volatile fatty acids from waste activated sludge, but this process seriously deteriorates sludge dewaterability. is an eco-friendly chelating agent that effectively extracts multivalent metal ions from waste activated sludge (WAS) flocs, which could potentially alter their
2022/2/1/ · First, organic waste is acidogenically fermented for the production of eco-friendly Bio-H 2, wherein VFAs are produced as a liquid discharge and CO 2 as a co-product. While there are two ways to proceed, firstly, Bio-H 2 could be separated from the …
