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Biohythane production via single-stage fermentation using gel-entrapped anaerobic microorganisms: Effect of hydraulic retention time.
Ta, Doan-Thanh; Lin, Chiu-Yue; Ta, Thi-Minh-Ngoc; Chu, Chen-Yeon.
Afiliación
  • Ta DT; Department of Environmental Engineering and Science, Feng Chia University, Taiwan.
  • Lin CY; Department of Environmental Engineering and Science, Feng Chia University, Taiwan; Green Energy and Biotechnology Industry Development Research Center, Feng Chia University, Taiwan. Electronic address: cylin@fcu.edu.tw.
  • Ta TM; Food Technology Department, Ho Chi Minh City University of Technology, Viet Nam.
  • Chu CY; Green Energy and Biotechnology Industry Development Research Center, Feng Chia University, Taiwan; Institute of Green Products, Feng Chia University, Taiwan.
Bioresour Technol ; 317: 123986, 2020 Dec.
Article en En | MEDLINE | ID: mdl-32799083
Research of single-stage anaerobic biohythane production is still in an infant stage. A single-stage dark fermentation system using separately-entrapped H2- and CH4-producing microbes was operated to produce biohythane at hydraulic retention times (HRTs) of 48, 36, 24, 12 and 6 h. Peak biohythane production was obtained at HRT 12 h with H2 and CH4 production rates of 3.16 and 4.25 L/L-d, respectively. At steady-state conditions, H2 content in biohythane and COD removal efficiency were in ranges of 7.3-84.6 % and 70.4-77.9%, respectively. During the fermentation, the microbial community structure of the entrapped H2-producing microbes was HRT-independent whereas entrapped CH4-producing microbes changed at HRTs 12 and 6 h. Caproiciproducens and Methanobacterium were the dominant genera for producing H2 and CH4, respectively. The novelty of this work is to develop a single-stage biohythane production system using entrapped anaerobic microbes which requires fewer controls than two-stage systems.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Microbiota / Metano Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2020 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Microbiota / Metano Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2020 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Reino Unido