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Article: Potential savings through ceramic membrane caustic reclaim. (Membrane Filtration).
- Article from:
- Food Processing
- Article date:
- December 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 Putman Media, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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The recovery and reuse of common cleaning solutions such as caustic and acid can be very cost-effective, while improving environmental compliance. Some of the nation's leading food and beverage processors have embraced the idea of recovering spent caustic solutions for reuse. These caustic solutions primarily consist of sodium hydroxide or potassium hydroxide or a mixture of both.
Crossflow filtration with ceramic membranes
Crossflow filtration is a continuous process in which the feed stream flows parallel (tangential) to the membrane filtration surface and generates two outgoing streams. A small fraction of feed, called permeate or filtrate, separates ...