Novel insight into the relationship between organic substrate composition and volatile fatty acids distribution in acidogenic co-fermentation.

ABSTRACT:

Background

Co-fermentation is an attractive technology for improving volatile fatty acids (VFAs) production by treatment of solid organic wastes. However, it remains unclear how the composition of different organic matters in solid waste influences the VFAs distribution, microbial community structure, and metabolic pathway during acidogenic co-fermentation. In this study, different organic wastes were added into waste activated sludge (WAS) as co-fermentation substrates to explore the impact of organic matter composition on VFAs pattern and the microbiological mechanism .

Results

Acetate was the most dominant VFA produced in all fermentation groups, making up 41.3-57.6% of the total VFAs produced during acidogenic co-fermentation under alkaline condition. With the increased

SUBMITTER: Ma H 

PROVIDER: S-EPMC5446719 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature