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Kinetic study on anaerobic digestion of long-chain fatty acid enhanced by activated carbon adsorption and direct interspecies electron transfer.
Shi, En; Zou, Yuliang; Zheng, Yunbin; Zhang, Miao; Liu, Shasha; Zhang, Shuai; Zhang, Xiangzhi.
Afiliación
  • Shi E; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China. Electronic address: shien@sjzu.edu.cn.
  • Zou Y; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China.
  • Zheng Y; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China.
  • Zhang M; School of Material Science and Engineering, Shenyang Jianzhu University, Shenyang 110168, China.
  • Liu S; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China.
  • Zhang S; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China.
  • Zhang X; School of Material Science and Engineering, Shenyang Jianzhu University, Shenyang 110168, China.
Bioresour Technol ; 403: 130902, 2024 Jul.
Article en En | MEDLINE | ID: mdl-38801955
ABSTRACT
This study applied granular activated carbon (GAC) to improve the anaerobic digestion of long-chain fatty acid (LCFA). New kinetics were considered to describe the effect of GAC on the LCFA degradation, including i) The adsorption kinetics of GAC for LCFA, ii) The ß-oxidation pathway of LCFA, iii) The attached biomass improved by direct interspecies electron transfer (DIET). The developed model simulated the anaerobic digestion of stearic acid, palmitic acid, myristic acid, and lauric acid with 1.00 and 2.00 g l-1 of GAC. The simulation results suggested that adding GAC led to the increase of km,CnGAC and km,acGAC. As the concentration of GAC increased, the values of kinetic parameters increased while the accumulated acetate concentration decreased. Thus, GAC improved the kinetic parameters of the attached syntrophic communities.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Carbón Orgánico / Ácidos Grasos Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Carbón Orgánico / Ácidos Grasos Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido