Backwashing of tubular ceramic microfilters fouled with milk protein isolate feeds

Laura E. Head, Michael R. Bird

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The effect of BW upon the operational performance of a tubular ceramic membrane was investigated for the MF of a high solids content (15 wt %) MPI feed inoculated with Bacillus mycoides spores. Three tubular ceramic Membralox™ (Pall Filtration, Bazet, France) MF membranes of pore sizes 0.8, 2.0 and 12.0μm pore diameters were tested. A 10-s backflush every 5min was found to be the most effective protocol during filtration experiments. Membrane cleaning using a combination of a long rinsing backflush at 1 bar, and acid and alkali steps without BW were found to be most effective after MPI filtration. Application of this protocol resulted in a flux recovery of 99.6%.
Original languageEnglish
Pages (from-to)228-240
JournalJournal of Food Process Engineering
Volume36
Issue number2
DOIs
Publication statusPublished - Apr 2013

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