Abstract：
:This study investigated the biological hydrolysis performance at 35°C (BH35), 42°C (BH42), and 55°C (BH55) and the effect of temperatures on microbial communities of the hydrolyzed sludge. The results showed that the suspended solid reduction, volatile fatty acids (VFA) production, and biogas production increased with the BH temperatures. VFAs produced in the sludge BH included acetic acid, propionic acid, isobutyric acid, butyric acid, and isovaleric acid with the fractions of acetic acid increased with BH temperatures. The Illumina MiSeq sequencing analysis showed that the microbial taxonomic structures of the BH systems varied with BH temperatures. It was found that Acidaminobacter at 35°C, Proteiniphilum and Lutispor at 42°C, and Gelria at 55°C were the main protein fermenting bacteria genera, while the carbohydrate fermenting bacteria might belong to the genera of Macellibacteroides and Paludibacter at 35°C, Fronticella at 42°C, and Tepidimicrobium at 55°C.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Chen H,Chang Sdoi
10.1016/j.biortech.2017.08.143subject
Has Abstractpub_date
2017-12-01 00:00:00pages
502-510issue
Pt Aeissn
0960-8524issn
1873-2976pii
S0960-8524(17)31457-8journal_volume
245pub_type
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