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Degradation and enhanced oil recovery potential of Alcanivorax borkumensis through production of bio-enzyme and bio-surfactant.
Deng, Shuyuan; Wang, Bo; Zhang, Hong; Qu, Ruixue; Sun, Shanshan; You, Qing; She, Yuehui; Zhang, Fan.
Afiliación
  • Deng S; School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China.
  • Wang B; School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China.
  • Zhang H; School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China.
  • Qu R; College of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China.
  • Sun S; College of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China; Hubei Cooperative Innovation Center of Unconventional Oil and Gas, Yangtze University, Wuhan, Hubei 430100, China; Hubei Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan, Hub
  • You Q; School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China.
  • She Y; College of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China; Hubei Cooperative Innovation Center of Unconventional Oil and Gas, Yangtze University, Wuhan, Hubei 430100, China; Hubei Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan, Hub
  • Zhang F; School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China. Electronic address: Fanzhang@cugb.edu.cn.
Bioresour Technol ; 400: 130690, 2024 May.
Article en En | MEDLINE | ID: mdl-38614150
ABSTRACT
Microbial enhanced oil recovery (EOR) has become the focus of oilfield research due to its low cost, environmental friendliness and sustainability. The degradation and EOR capacity of A. borkumensis through the production of bio-enzyme and bio-surfactant were first investigated in this study. The total protein concentration, acetylcholinesterase, esterase, lipase, alkane hydroxylase activity, surface tension, and emulsification index (EI) were determined at different culture times. The bio-surfactant was identified as glycolipid compound, and the yield was 2.6 ± 0.2 g/L. The nC12 and nC13 of crude oil were completely degraded, and more than 40.0 % of nC14-nC24 was degraded by by A. borkumensis. The results of the microscopic etching model displacement and core flooding experiments showed that emulsification was the main mechanism of EOR. A. borkumensis enhanced the recovery rate by 20.2 %. This study offers novel insights for the development of environmentally friendly and efficient oil fields.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tensoactivos / Biodegradación Ambiental / Petróleo / Alcanivoraceae Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tensoactivos / Biodegradación Ambiental / Petróleo / Alcanivoraceae Idioma: En Revista: Bioresour Technol Asunto de la revista: ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido