2019/4/1/ · Municipal waste is also a kind of carbohydrate-rich wastes. The widely used municipal waste for hydrogen production include sewage sludge [163,164], paper waste [165] and garden wastes (leaves
Method 1681: Fecal Coliforms in Sewage Sludge (Biosolids) by Multiple-Tube Fermentation using A-1 medium . July 2006 . 1.0 . Scope and Application . 1.1. This method describes multiple-tube fermentation procedures [also called the most probable number (MPN) procedure] for the detection and enumeration of fecal coliform bacteria in biosolids.
2022/7/23/ · In this domain of progressive research, lab-, pilot-, and demonstration-scale studies are dealing with the fermentation of biogenic gases (e.g., CO 2, CO, and CH 4 ), waste or wastewater to produce a range of biofuels and valuable products, based on the activity of pure or mixed cultures of native or recombinant aerobic and anaerobic
2022/8/13/ · Abstract The fermentative valeric acid production is a carbon-neutral method for the disposal of waste sludge in municipal wastewater treatment plants. To overcome the bottlenecks of energy-consuming and slow hydrolysis and acidification during the fermentation process, riboflavin was supplemented to enhance the biological redox
2017/8/24/ · Co-digestion of food waste and sewage sludge (92.5 mL H 2 /g VS) resulted a 90% improvement of the hydrogen production yield compared to solo food waste fermentation (48.7 mL H 2 / g VS) [50].
2022/2/28/ · Anaerobic fermentation can convert complex organic matter in sewage sludge into short-chain fatty acid, hydrogen, methane and other resources and is an effective method for sewage sludge treatment
2024/2/29/ · Special Issue Information. Dear Colleagues, Wastewater treatment facilities in China must produce a significant amount of sewage sludge due to the country's rapid urbanization and the rise in urban wastewater. This sludge contains potential resources including organic materials, nutrients, metals, and bioenergy that can be
2023/6/10/ · Within the urban scenario, the application of a biorefinery technology value chain can foster the conversion of different organic substrates into marketable and added-value products. In this work, a pilot-scale dark fermentation (DF) process has been carried out as a key step for volatile fatty acids (VFA) and hydrogen production from the liquid
2019/2/1/ · Integrating microbial electrolysis cell into an anaerobic digestion system allowed for electrochemical regulation of co-fermentation of food waste and municipal sludge which resulted in the
A fermenter is a reactor or unit process found on site at a wastewater treatment plant in which complex particulate and soluble substrates present in the sludge and wastewater are anaerobically broken down to form volatile fatty acids (VFAs) through acid fermentation.
2023/5/15/ · The unit price is 10 times cheaper than Ca conducted a pilot test for the production of SCFAs from sewage sludge by alkaline fermentation and subsequent membrane filtration, and the removal efficiency of TN and TP was increased by 19 % and 39 %, respectively, using membrane-filtered SAFL as the carbon source for BNR compared
2022/1/1/ · Sewage sludge management is important for avoiding emissions and mitigating negative effects on the atmosphere, human health, and long-term development. Cities generate hundreds of tons of waste annually, the bulk of which is sewage sludge, as the global population expands, and urbanization occurs. In lower-middle-income nations