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Apparatus and method for cleaning membrane filtration modules

  • US 20040188341A1
  • Filed: 04/08/2004
  • Published: 09/30/2004
  • Est. Priority Date: 09/25/1997
  • Status: Active Grant
First Claim
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1. A filtration system comprising a membrane module, a junction, a gas source, and a liquid source, wherein the membrane module comprises a plurality of porous hollow fiber membranes, wherein a first end of each hollow fiber membrane is mounted in an upper potting head, wherein a second end of each hollow fiber membrane is mounted in a lower potting head, wherein the lower potting head comprises a plurality of aeration openings, wherein the junction is connected to at least one of the gas source and the liquid source, and wherein the junction is configured to inject a liquid flow having entrained therein a plurality of gas bubbles into a cavity below the lower potting head.

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