| Effect of microbial treatment on the prevention and removal of paraffin deposits on stainless steel surfaces. | |
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MedLine Citation:
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PMID: 22989649 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In this study, biosurfactant-producing strain N2 and non-biosurfactant producing stain KB18 were used to investigate the effects of microbial treatment on the prevention and removal of paraffin deposits on stainless steel surfaces. Strain N2, with a biosurfactant production capacity, reduced the contact angle of stainless steel to 40.04°, and the corresponding adhesion work of aqueous phase was decreased by 26.5mJ/m(2). By contrast, KB18 could only reduce the contact angle to 50.83°, with a corresponding 7.6mJ/m(2) decrease in the aqueous phase work adhesion. The paraffin removal test showed that the paraffin removal efficiencies of strain N2 and KB18 were 79.0% and 61.2%, respectively. Interestingly, the N2 cells could attach on the surface of the oil droplets to inhibit droplets coalescence. These results indicate that biosurfactant-producing strains can alter the wettability of stainless steel and thus eliminate paraffin deposition. |
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Authors:
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Meng Xiao; Wen-Hong Li; Mang Lu; Zhong-Zhi Zhang; Yi-Jing Luo; Wei Qiao; Shan-Shan Sun; Wei-Zhang Zhong; Min Zhang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-7-25 |
Journal Detail:
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Title: Bioresource technology Volume: 124C ISSN: 1873-2976 ISO Abbreviation: Bioresour. Technol. Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-9-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: 227-232 Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, PR China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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