Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge

Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge

  • CN 102,015,077 A
  • Filed: 04/23/2009
  • Published: 04/13/2011
  • Est. Priority Date: 04/29/2008
  • Status: Active Application
First Claim
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1. the cleaning method of employed filtering film component when handling former water or waste water or activated sludge, it is characterized in that, to put into rinse bath or be arranged in the filtering film component to be cleaned liquid washing-round of lautertuns, described liquid contain atresia, biological resistance particle and make described liquid be in recurrent state importing under the situation of gas, and will be present in deposit on the outer surface of film of described filtering film component, so-called Film impurity mechanically washes away by described particle.

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