MEMBRANE BIOREACTOR OPERATION AND OPTIMIZATION: QUANTIFICATION OF PARTICLE SIZE CONTRIBUTIONS TO MEMBRANE FOULING
Abstract:A constant flux test was developed to measure mixed liquor filterability in membrane bioreactors and tests were conducted on three ZW-500 pilot plants over a six month period. The resistance per unit solid mass (Rmass) was determined from the test results and compared to various mixed liquor properties. Rmass was found to be dependent on both the mixed liquor suspended solids concentration and the colloidal total organic carbon concentration. A good correlation was found between the values of Rmass and the critical and sustainable fluxes suggesting that the test quantifies mixed liquor filterability.
Document Type: Research Article
Publication date: January 1, 2008
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