Shin, Seung Gu Koo, Taewoan Lee, Joonyeob Han, Gyuseong Cho, Kyungjin Kim, Woong Hwang, Seokhwan 2024-01-20T03:34:12Z 2024-01-20T03:34:12Z 2021-09-05 2016-08 0960-8524 https://pubs.kist.re.kr/handle/201004/123826 Process parameters and bacterial populations were investigated in four full-scale anaerobic digesters treating sewage sludge. Although the four digesters were operated under similar conditions, digesters A and B had higher pH (7.2-7.4) and lipid removal efficiencies (> 50%) than C and D (pH 6.1-6.4; average lipid removal < 16%). Bacterial richness, diversity, and evenness were higher in digesters C and D. Among the top-populated genera, ten (group I) were more abundant in digesters A and/or B; they were putative syntrophic fatty acid or protein/amino acid-utilizers. In contrast, fifteen others (group II) were less abundant in A and/or B and included potentially dormant/dead cells originated from activated sludge. Despite the overall richness trend, the presence of the 25 genera in groups I/II was greater in digesters A and B (24) than in C and D (17); this observation suggests that group I bacteria might be essential in AD of sewage sludge. (C) 2016 Elsevier Ltd. All rights reserved. English Elsevier BV Correlations between bacterial populations and process parameters in four full-scale anaerobic digesters treating sewage sludge Article 10.1016/j.biortech.2016.05.021 1 Bioresource Technology, v.214, pp.711 - 721 Bioresource Technology 214 711 721 N scie scopus 000377366900090 2-s2.0-84969246445 Agricultural Engineering Biotechnology & Applied Microbiology Energy & Fuels Agriculture Biotechnology & Applied Microbiology Energy & Fuels Article MICROBIAL COMMUNITY WASTE-WATER SP NOV. ACTIVATED-SLUDGE RETENTION TIME GEN. NOV. RECONSTRUCTION TEMPERATURE PERFORMANCE DIVERSITY Anaerobic digestion Microbial management High-throughput sequencing Bacterial diversity Lipid removal