PMID- 32981014 OWN - NLM STAT- MEDLINE DCOM- 20210128 LR - 20210128 IS - 1614-7499 (Electronic) IS - 0944-1344 (Linking) VI - 28 IP - 5 DP - 2021 Feb TI - Impact of hydraulic retention time on swine wastewater treatment by aerobic granular sludge sequencing batch reactor. PG - 5927-5937 LID - 10.1007/s11356-020-10922-w [doi] AB - In this study, the effect of hydraulic retention time (HRT) on the performance of aerobic granular sludge (AGS) treating swine wastewater (SW) in sequencing batch reactor (SBR) was investigated. The HRT was set at 4.8, 6, 8, 12, and 16 h and performed in five parallel aerobic granular sludge sequence batch reactors (AGSBRs), respectively. The results showed that sedimentation performance and biomass concentration were improved by decreasing the HRT from 16 to 8 h. However, when further decreasing HRT from 8 to 4.8 h, the AGS performance became worse. The AGS process with HRT of 8 h exhibited high pollutant removal efficiency, and an abundant microbial community and a stable microbial community structure were observed. High-throughput 16S rRNA analysis revealed that there were significant differences between the microorganisms in AGS samples with HRT of 8 h at the phylum level and that the dominant microbes changed as the process proceeded. At the genus level, the species and relative abundance of microorganisms gradually evolved for AGS stability in all cases. FAU - Wang, Xiaochun AU - Wang X AD - Shenzhen Key Laboratory of Water Resource Application and Environmental Pollution Control, Department of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China. AD - State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China. FAU - Li, Ji AU - Li J AD - Shenzhen Key Laboratory of Water Resource Application and Environmental Pollution Control, Department of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China. FAU - Zhang, Xiaolei AU - Zhang X AD - Shenzhen Key Laboratory of Water Resource Application and Environmental Pollution Control, Department of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China. xiaolei.zhang2016@foxmail.com. FAU - Chen, Zhonglin AU - Chen Z AD - State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China. FAU - Shen, Jimin AU - Shen J AD - State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China. FAU - Kang, Jing AU - Kang J AD - State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China. LA - eng GR - KQJSCX20180328165658476/Shenzhen Scientific Research Foundation for High-level Talent/ GR - JCYJ20180306171843211 and JCYJ20180306172051662/Shenzhen Scientific Fundamental Research Foundation/ GR - KJYY20171012140149523/Shenzhen Demonstration Project/ GR - 21667017/National Natural Science Foundation of China/ GR - QA201817/the Open Project of State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology/ GR - LBH-Q18061/Postdoctoral Scientific Research Developmental Fund of Heilongjiang Province/ PT - Journal Article DEP - 20200926 PL - Germany TA - Environ Sci Pollut Res Int JT - Environmental science and pollution research international JID - 9441769 RN - 0 (RNA, Ribosomal, 16S) RN - 0 (Sewage) SB - IM MH - Aerobiosis MH - Animals MH - Bioreactors MH - RNA, Ribosomal, 16S/genetics MH - *Sewage MH - Swine MH - Waste Disposal, Fluid MH - *Water Purification OTO - NOTNLM OT - Bacteria difference OT - Extracellular polymeric substances OT - Microbial community OT - Pollutant removal efficiency OT - Sludge morphology OT - Sludge settling performance EDAT- 2020/09/28 06:00 MHDA- 2021/01/29 06:00 CRDT- 2020/09/27 20:38 PHST- 2020/05/05 00:00 [received] PHST- 2020/09/17 00:00 [accepted] PHST- 2020/09/28 06:00 [pubmed] PHST- 2021/01/29 06:00 [medline] PHST- 2020/09/27 20:38 [entrez] AID - 10.1007/s11356-020-10922-w [pii] AID - 10.1007/s11356-020-10922-w [doi] PST - ppublish SO - Environ Sci Pollut Res Int. 2021 Feb;28(5):5927-5937. doi: 10.1007/s11356-020-10922-w. Epub 2020 Sep 26.