2024/3/1/ · 1. Introduction. Nowadays, the escalating depletion of non-renewable resources, including coal and oil, is driving the pursuit of renewable energy and chemical production [1].Anaerobic fermentation is a widely used biotechnology to achieve resource recovery from biowastes by generating renewable biochemical or bioenergy [2].Methane
2021/8/10/ · 2.3. Batch fermentative hydrogen producing experiment. Six serum bottles (each 500 mL) were used to carry out the fermentation experiment. Firstly, the six bottles were respectively added with 300 mL sludge from reactor 1–6 as performed in Section 2.2.Each bottle was then flushed with N 2 for 5 min to replace the air. After sealed by
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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
2024/2/25/ · Acidogenic fermentation can convert food waste (FW) into small molecules of acids and alcohols, and the broth can be used as a carbon source of denitrification in wastewater treatment plants. However, the soluble nitrogen-containing substances generated in fermentation influence the quality of the carbon source, and
2023/2/1/ · The inoculum used for fermentation stage was taken from a semi-continuous mesophilic anaerobic fermenter using WAS as substrate, 170 mmol/L ethanol as ED, and 0.05 M 2-bromoethanesulfonate as methanogens inhibitor (Wu et al., 2021). The fermenter was maintained at 35°C, with a sludge retention time of 15 days. 2.2. WAS
2017/5/3/ · Membrane bioreactor systems can enhance anaerobic lactic acid fermentation by reducing product inhibition, thus increasing productivity. In batch fermentations, the bioconversion of glucose is strongly inhibited in the presence of more than 100 g·L −1 lactic acid and is only possible when the product is simultaneously removed,
2022/4/22/ · Otherwise, they can use electricity to reduce CO 2 and generate valuable products when working as bio-electrochemical systems. These processes work under the principle of anaerobic fermentation, in which the electrodes are placed to stoichiometrically equilibrate the energy changes and balance the redox changes [22].
2017/9/27/ · In the second step, the anaerobic fermentation of water-soluble hydrolysis products occurs and a mixture of different organic acids (mainly acetate, propionate, and n-butyrate), alcohols, carbon dioxide (CO 2), and hydrogen (H 2) is produced. Not always the fermentation products are the direct result of a linear
2022/9/10/ · Anaerobic fermentation is a frequently applied route for the WAS Moreover, the LDH release, which commonly indicates the breakage of the cell membrane and release of intracellular substances (Yu ... Insights into potassium permanganate reducing H2S generation from anaerobic fermentation of sludge. Chem. Eng. J., 430
Fermentation is another anaerobic (non-oxygen-requiring) pathway for breaking down glucose, one that's performed by many types of organisms and cells. In fermentation, the only energy extraction pathway is glycolysis, with one or two extra reactions tacked on at the end. Fermentation and cellular respiration begin the same way, with glycolysis.
anaerobic fermentation of feed in the rumen. The rumen simulation technique was used to investigate the eects of the addition of dierent supplemental plant oils to a high concentrate diet on ruminal
2019/1/1/ · 2.4.Effect of CaO 2 on the activities of the microbes relevant to hydrolysis, acidogenesis, acetogenesis, homoacetogenesis, hydrogenotrophic methanogenesis and sulfate-reducing processes. Besides WAS disintegration, anaerobic fermentation also includes several other bio-processes such as hydrolysis, acidogenesis, acetogenesis,
To clarify these issues, a hydrogen fermenter was designed to reduce Cr (VI) at 55 °C with glucose as initial substrate. Results show that 100 mg/L Cr (VI) can be completely reduced (99.5%) to trivalent chromium (Cr (III) through chemical and biological reactions. Bio-reduction dominates Cr (VI) removal in a first-order exponential decay mode
2023/12/1/ · Anaerobic fermentation, as a mild and sustainable platform, could transform organic wastes to valuable chemicals, namely short-chain fatty acids To improve the C/N ratio and reduce extra ED addition, co-fermentation of sludge and carbohydrate-rich organics have been performed to produce MCFAs, including food