2023/2/20/ · This study confirmed that the SCFA production of the PS anaerobic fermentation was significantly increased by applying FA. The optimal operating condition was FA concentration of 240 mg N/L at 7 d with maximum SCFAs production was
2014/2/26/ · These microorganisms can thrive at temperatures over 50 °C and, based on their optimal temperature, anaerobic thermophiles can be subdivided into three main groups: thermophiles with an optimal temperature between 50 °C and 64 °C and a maximum at 70 °C, extreme thermophiles with an optimal temperature between 65 °C
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2024/1/1/ · The (COD-based) total SCFAs production (cumulative content of SCFAs) is depicted for different amounts of lignosulfonate addition and fermentation times in Fig. 1.The addition of lignosulfonate reduced the time required to reach the maximum SCFAs production and promoted the overall production of SCFAs in the test vials (Fig. 1 A).The
2024/2/5/ · Wet anaerobic digestion is the most traditional form of AD technology, where biomass (typically animal dung) and water are mixed in equal proportions to create a slurry with a total solids content of 10-15%. This method is widely used in small-scale biogas plants due to its simplicity and effectiveness. However, the high water usage makes it
Full Article. Exploring optimal feed to microbes ratio for anaerobic acidogenic fermentation of cassava residue from brewery. Xinying Wang, a Shuting Zhang, a Jing Wang, a Xiaoyan Yu, a and Xuebin Lu a, * Cassava residue from breweries is being generated in large amounts in Guangxi Province of China, and this has potential to cause
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.
Purpose The objective of this work was to optimize the anaerobic fermentation of a mixed waste stream, consisted of fruit and vegetables that have lost their marketing value and a disposable nappies’ hydrolysate. More specifically, the aim was to identify the optimal pH value for maximum hydrogen production and valuable metabolites such as volatile fatty
2024/3/14/ · Anaerobic digestion is a potential treatment for industrial wastewater that provides valuable end-products, including renewable energy (biogas). However, waste streams may be too variable, too dilute at high volumes, or missing key components for stable digestion; all factors that increase costs and operational difficulty, making
2023/8/21/ · Polyaluminum chloride (PAC) is used widely and increasingly in wastewater treatment plants, resulting in its inevitably high production in sludge. Previous studies have indicated that the production of short-chain fatty acids (SCFAs) is inhibited by the existence of PAC in sludge anaerobic fermentation, so it is necessary to study how
2023/4/1/ · 1. Introduction. In municipal wastewater treatment plants (WWTPs), plenty of waste activated sludge (WAS) is produced daily, and its treatment and disposal creates pressure for environmental protection and sustainable economic development worldwide [1], [2].Among various sludge treatment technologies, anaerobic fermentation (AF) has
2024/1/1/ · Anaerobic fermentation is impacted by the hydrogen-ion (pH) content of the material being digested. Because excess acidity prevents digestion, the hydrogen-ion concentration of the culture medium has an immediate impact on microbial growth. There is a major requirement for the best communication between the microorganisms and the
Abstract. Conventional anaerobic digestion is an established technology for wastewater stabilization, but methane production rates and net energy yields are generally too low to make the process competitive as a source of methane. Numerous improvements are being developed to make conversion of plant biomass to methane and simultaneous waste
The magic of Anaerobic Coffee lies in the precision and expertise of the fermentation process. Coffee cherries, meticulously selected for their ripeness and quality, are placed in sealed tanks or containers, excluding oxygen and creating the ideal conditions for anaerobic fermentation to occur. The Anaerobic Coffee collection boasts a diverse
2023/9/1/ · 1. Introduction: potentials and energy context of on-farm anaerobic digestion for biogas production. The development of alternative waste treatment and the need for non-fossil energy sources to replace petroleum resources has triggered the development of bioenergy sources, including the production of biogas via anaerobic