Effect of initial pH on the sludge fermentation performance enhanced by aged refuse at low temperature of 10 °C
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DOI: 10.1007/s11356-020-09306-x
Abstract: The efficiency of anaerobic fermentation of waste activated sludge (WAS) under low-temperature condition is usually low. This work reported a new strategy to enhance the low-temperature fermentation of WAS by using aged refuse (AR), and… read more here.
Keywords: low temperature; fermentation; aged refuse; sludge fermentation ... See more keywords
Optimization of thermal hydrolysis process for enhancing anaerobic digestion in a wastewater treatment plant with existing primary sludge fermentation.
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DOI: 10.1016/j.biortech.2020.124498
Abstract: Many wastewater treatment plants (WWTPs) adopted primary sludge fermentation to produce sludge liquor for the biological denitrification process. The fermented primary sludge (FPS) is usually co-digested with thickened waste activated sludge (TWAS) in the anaerobic… read more here.
Keywords: process; wastewater treatment; sludge; sludge fermentation ... See more keywords
Deciphering the key operational factors and microbial features associated with volatile fatty acids production during paper wastes and sewage sludge co-fermentation.
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DOI: 10.1016/j.biortech.2021.126318
Abstract: This work explored the feasibility of paper waste (PW)/sewage sludge (SS) co-fermentation for volatile fatty acids (VFAs) production, and disclosed its correlation with the key operational parameters (i.e., pH and PW/SS ratio). The results indicated… read more here.
Keywords: production; fatty acids; sewage sludge; fermentation ... See more keywords