Characterization of a potent biosurfactant produced from Franconibacter sp. IITDAS19 and its application in enhanced oil recovery

Biosurfactants are surface-active molecules produced from microorganisms either on the cell surface or secreted extracellularly. Several biosurfactant producing microorganisms have been isolated to date, but they differ in their efficacy towards different types of hydrocarbons. Here, we report the i...

Full description

Saved in:
Bibliographic Details
Published in:Colloids and surfaces, B, Biointerfaces B, Biointerfaces, 2022-06, Vol.214, p.112453-112453, Article 112453
Main Authors: Sharma, Jyoti, Kapley, Atya, Sundar, Durai, Srivastava, Preeti
Format: Article
Language:English
Subjects:
Biodegradation, Environmental
Biosurfactant
Contact angle
Emulsification index
Glycolipids
Hydrocarbons - chemistry
Petroleum
Residual oil
Surface Tension
Surface-Active Agents - chemistry
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Biosurfactants are surface-active molecules produced from microorganisms either on the cell surface or secreted extracellularly. Several biosurfactant producing microorganisms have been isolated to date, but they differ in their efficacy towards different types of hydrocarbons. Here, we report the isolation and characterization of a biosurfactant producing bacterium Franconibacter sp. IITDAS19 from crude oil contaminated soil. The biosurfactant was isolated, purified and characterized. It was identified as a glycolipid. It was found to be very stable at wide range of temperatures, pH and salt concentrations. It could reduce the surface tension of the water from 71 mN/m to 31 mN/m. IITDAS19 showed very high efficacy towards both aliphatic and aromatic hydrocarbons. It resulted in about 63% recovery of residual oil in a sand pack column. Our results suggested that the produced biosurfactant can be used for enhanced oil recovery. To our knowledge, this is the first report demonstrating the detailed characterization of a biosurfactant from Franconibacter spp. [Display omitted] •First report on detailed characterization of a biosurfactant from Franconibacter spp.•It was characterized using TLC, FT IR, GC-MS and LC-MS analysis.•It was identified as Rhamnolipid and exhibited very high emulsification activity.•Exposure to extreme pH, salt and temperature did not affect the biosurfactant activity.•Crude biosurfactant could be used for enhanced oil recovery applications.
ISSN:0927-7765
1873-4367
DOI:10.1016/j.colsurfb.2022.112453