Isolation and Characterization of Biosurfactant Producing Bacteria for the Application in Enhanced Oil Recovery

8th International Conference on Environmental Science and Technology

生态环境科学

Prasad, Niraj^1 ; Dasgupta, Sumita^1 ; Chakraborty, Mousumi^2 ; Gupta, Smita^2

Bhagwan Mahavir College of M. Sc. Biotechnology, Surat, Gujarat

395 007, India^1

Department of Chemical Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat

395 007, India^2

关键词: Bacterial strains;    Emulsification index;    Enhanced oil recovery;    Fermentation conditions;    Incubation periods;    Incubation temperatures;    Isolation and characterization;    Oil recovery process;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/78/1/012017/pdf
DOI  :  10.1088/1755-1315/78/1/012017

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

In the present study, a biosurfactant producing bacterial strain was isolated, screened and identified. Further, various fermentation conditions (such as pH (5-10), incubation period (24-96h) and incubation temperature (20-60 °C) were optimized for maximum production of biosurfactant. The produced biosurfactant was characterized by measuring emulsification index, foaming characteristics, rhamnolipid detection, interfacial tension between water and oil and stability against pH and temperature for its potential application in oil recovery process. The additional oil recovery for two different sand, sand1 and sand2, was found to be 49% and 38%, respectively.