Advanced search
Publication Cover
Journal of Dispersion Science and Technology Volume 35, 2014 - Issue 7
Submit an article Journal homepage
77
Views
0
CrossRef citations to date
0
Altmetric
Original Articles

Electrochemical Studies on De-Emulsification: Effect of a Biosurfactant Produced by Bacillus subtilis MO-1

Guoqiang Li Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Tianjin, P. R. China; College of Life Sciences, Nankai University, Tianjin, P. R. China
,
Haizhou Zhang College of Life Sciences, Nankai University, Tianjin, P. R. China
&
Ting Ma Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Tianjin, P. R. China; College of Life Sciences, Nankai University, Tianjin, P. R. ChinaCorrespondence[email protected]
Pages 907-912 | Received 16 Apr 2013, Accepted 20 May 2013, Published online: 22 May 2014
 
Sample our Economics, Finance,Business & Industry journals, sign in here to start your access, latest two full volumes FREE to you for 14 days

Abstract

Model emulsions were de-emulsified using a biosurfactant produced by Bacillus subtilis MO-1 mixed with chemical de-emulsifiers. The speed and efficiency of de-emulsification by polyether type de-emulsifier (G-17) were enhanced by combined use of a biosurfactant produced by B. subtilis MO-1 (BS); this effect was more apparent at low concentrations. Polyether/biosurfactant synergy was confirmed by electrochemical measurement of the interfacial film electrical resistance (R m ) and capacitance (C m ) during de-emulsification. These values were closely related to the rate of water removal, demonstrating that electrical techniques are suitable for studying de-emulsification phenomena.

ACKNOWLEDGMENTS

The authors thank Prof. Zhang Ru-Yuan for his kind assistance.

Log in via your institution

Access through your institution

Log in to Taylor & Francis Online

Restore content access

Restore content access for purchases made as guest
Purchase options * Save for later

PDF download + Online access

  • 48 hours access to article PDF & online version
  • Article PDF can be downloaded
  • Article PDF can be printed
USD 61.00 Add to cart

Issue Purchase

  • 30 days online access to complete issue
  • Article PDFs can be downloaded
  • Article PDFs can be printed
USD 666.00 Add to cart

* Local tax will be added as applicable

Related Research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.