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Membranes 2011, 1(2), 119-131; doi:10.3390/membranes1020119
Article

Experimental Study of Fouling and Cleaning of Sintered Stainless Steel Membrane in Electro-Microfiltration of Calcium Salt Particles

1,* , 2
 and 3
1 Research Center of Distributed Energy Systems, Dongguan University of Technology, Dongguan, Guangdong 523808, China 2 Institute of Food, Nutrition & Human Health, Massey University, Palmerston North, 4401, New Zealand 3 South China University of Technology, Guangzhou, Guangdong 510640, China
* Author to whom correspondence should be addressed.
Received: 8 February 2011 / Revised: 30 April 2011 / Accepted: 11 May 2011 / Published: 30 May 2011
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Abstract

Sintered stainless steel (SSS) microfiltration membranes, which served as electrode directly, were used for the experiment of separating Alamin, a calcium salt and protein containing particles, found in dairy processing. Fouling and cleaning of the SSS membranes under the application of an external electric field were studied. The imposed electric field was found, diverging the pH of permeate and retentate. This in turn altered the solubility of the calcium salt and impacted the performance of electro microfiltration membrane. Using electric field as an enhanced cleaning-in-place (CIP) method in back flushing SSS membrane was also studied.
Keywords: electro-microfiltration; membrane; cleaning-in-place; sintered stainless steel electro-microfiltration; membrane; cleaning-in-place; sintered stainless steel
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Qin, F.G.F.; Mawson, J.; Zeng, X.A. Experimental Study of Fouling and Cleaning of Sintered Stainless Steel Membrane in Electro-Microfiltration of Calcium Salt Particles. Membranes 2011, 1, 119-131.

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