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Filtering apparatus, back wash method therefor, filtering device and power plant

  • US 20020139738A1
  • Filed: 01/31/2002
  • Published: 10/03/2002
  • Est. Priority Date: 01/31/2001
  • Status: Abandoned Application
First Claim
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1. A filtering apparatus, comprising:

  • a vessel adapted for connecting a feed inlet line for introducing feed into the vessel and a filtrate outlet line for letting filtrate out of the vessel;

    a filter contained in the vessel for filtering the feed to let filtered feed flow as the filtrate; and

    the filter being made of fluororesin to which thermal treatment is added in at least one of gas and liquid beforehand.

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