Isolation and characterization of biosurfactant/biopolymer producing spore forming bacteria from oil contaminated sites and oil field of Oman

被引：9

作者：

Al-Bahry, S. N. ^{[1
]}

Elshafie, A. E. ^{[1
]}

Al-Wahaibi, Y. M. ^{[2
]}

Al-Bemani, A. S. ^{[2
]}

Joshi, S. J. ^{[1
]}

Al-Lawati, A. ^{[1
]}

机构：

[1] Sultan Qaboos Univ, Coll Sci, Dept Biol, Muscat, Oman

[2] Sultan Qaboos Univ, Coll Engn, Dept Chem & Petr Engn, Muscat, Oman

来源：

4TH INTERNATIONAL CONFERENCE ON ENVIRONMENTAL SCIENCE AND DEVELOPMENT- ICESD 2013 | 2013年 / 5卷

关键词：

Biosurfactant; biopolymer; Microbial-enhanced-oil-recovery; spore-formers; Bacillus subtilis; BACILLUS-LICHENIFORMIS; ENHANCED PRODUCTION; MEDIUM COMPONENTS;

D O I：

10.1016/j.apcbee.2013.05.042

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Biosurfactants and biopolymers are key players for microbial enhanced oil recovery (MEOR) mechanisms. These biomolecules can be produced In-situ or Ex-situ and can be utilised for enhancing oil recovery. In this study, several aerobic spore forming bacteria were isolated from diverse habitats for ex-situ MEOR. The selected 16 isolates were identified by 16s rRNA sequencing and screened for better biosurfactant and biopolymer production using different production medium at shake flask level. One Bacillus subtilis strain W19, was found to be a promising biosurfactant producer and it reduced ST and IFT from 72 to 27mN/m and from 46 to 3.3mN/m respectively in less than 20 hours. (C) 2013 The Authors. Published by Elsevier B.V.

引用

页码：242 / 246

页数：5

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