Pruthi, V. and Cameotra, Swaranjit Singh (1997) Production and properties of a biosurfactant synthesized byArthrobacter protophormiae — an antarctic strain. World Journal of Microbiology & Biotechnology, 13 (1). pp. 137-139. ISSN 0959-3993
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This study reports the production of biosurfactant by a psychrophilic strain ofArthrobacter protophormiae during growth on an immiscible carbon source, w-hexadecane. The biosurfactant reduces the surface tension of the medium from 68.0 mN/m to 30.60 mN/m and exhibits good emulsification activity. The strain could grow and produce biosurfactant in the presence of high NaCl concentrations (10.0 to 100.0 g/1). Although the biosurfactant was isolated by growing the organism under psychrophilic conditions (10‡C) it exhibited stable activity over a wide range of temperature (30‡C to 100‡C). It retained its surface-active properties at pH2 to 12. The biosurfactant was effective in recovering up to 90% of residual oil from an oil saturated sandpack column, indicating its potential value in enhanced oil recovery.
| Item Type: | Article |
|---|---|
| Additional Information: | copyright of this article belongs to Springer Science. |
| Uncontrolled Keywords: | Arthrobacter protophormiae - biosurfactant - n-hexadecane - oil recovery - psychrophilic |
| Subjects: | Q Science > QR Microbiology |
| Depositing User: | Dr. K.P.S.Sengar |
| Date Deposited: | 27 Jan 2012 15:05 |
| Last Modified: | 29 Mar 2012 06:34 |
| URI: | http://crdd.osdd.net/open/id/eprint/760 |
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