DOI: 10.1016/j.watres.2018.04.029
Scopus记录号: 2-s2.0-85045768378
论文题名: Support media can steer methanogenesis in the presence of phenol through biotic and abiotic effects
作者: Poirier S. ; Déjean S. ; Chapleur O.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 140 起始页码: 24
结束页码: 33
语种: 英语
英文关键词: 16S rRNA gene sequencing
; Activated carbon
; Anaerobic digester
; Inhibition
; Methanization
; Zeolite
Scopus关键词: Activated carbon
; Carbon dioxide
; Enzyme inhibition
; Genes
; Phenols
; Pulp digesters
; RNA
; Zeolites
; 16S rRNA gene sequencing
; Anaerobic digester
; Bacterial population
; Biological mechanisms
; Methanization
; Microbial community dynamics
; Phenol concentration
; Physicochemical property
; Anaerobic digestion
; activated carbon
; carbon dioxide
; phenol derivative
; ribosome RNA
; RNA 16S
; zeolite
; activated carbon
; anaerobic digestion
; community dynamics
; concentration (composition)
; inhibition
; inhibitor
; methanogenesis
; microbial community
; phenol
; physicochemical property
; zeolite
; abiotic stress
; absorption lag time
; anaerobic digestion
; Article
; Bacteroidales
; biotic stress
; Clostridiales
; gene sequence
; methanogenesis
; Methanosarcina
; microbial community
; partial least squares regression
; physical chemistry
; principal component analysis
; priority journal
; Syntrophomonadaceae
; waste water treatment plant
; Archaea
; Bacteria (microorganisms)
; Bacteroidales
; Clostridiales
; Methanosarcina
; Otus
英文摘要: A wide variety of inhibitors can induce anaerobic digester disruption. To avoid performance losses, support media can be used to mitigate inhibitions. However, distinguishing the physico-chemical from the biological mechanisms of such strategies remains delicate. In this framework, the impact of 10 g/L of different types of zeolites and activated carbons (AC) on microbial community dynamics during anaerobic digestion of biowaste in the presence of 1.3 g/L of phenol was evaluated with 16 S rRNA gene sequencing. In the presence of AC, methanogenesis inhibition was rapidly removed due to a decrease of phenol concentration. This abiotic effect related to the physico-chemical properties of AC led to increased final CH4 and CO2 productions by 29–31% compared to digesters incubated without support. Interestingly, although zeolite did not adsorb phenol, final CH4 and CO2 production reached comparable levels as with AC. Nevertheless, compared to digesters incubated without support, methanogenesis lag phase duration was less reduced in the presence of zeolites (5 ± 1 days) than in the presence of activated carbons (12 ± 2 days). Both types of support induced biotic effects. AC and zeolite both allowed the preservation of the major representative archaeal genus of the non-inhibited ecosystem, Methanosarcina. By contrast, they distinctly shaped bacterial populations. OTUs belonging to class W5 became dominant at the expense of OTUs assigned to orders Clostridiales, Bacteroidales and Anaerolinales in the presence of AC. Zeolite enhanced the implantation of OTUs assigned to bacterial phylum Cloacimonetes. This study highlighted that supports can induce biotic and abiotic effects within digesters inhibited with phenol, showing potentialities to enhance anaerobic digestion stability under disrupting conditions. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112697
Appears in Collections: 气候减缓与适应
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作者单位: Hydrosystems and Bioprocesses Research Unit, Irstea, France; Toulouse Mathematics Institute, UMR 5219 CNRS, Toulouse University, Toulouse, France
Recommended Citation:
Poirier S.,Déjean S.,Chapleur O.. Support media can steer methanogenesis in the presence of phenol through biotic and abiotic effects[J]. Water Research,2018-01-01,140