Composition and method for simultaneously precipitating metal ions from semiconductor waste water and enhancing microfilter operation

Composition and method for simultaneously precipitating metal ions from semiconductor waste water and enhancing microfilter operation

  • CN 1,337,923 A
  • Filed: 12/02/1999
  • Published: 02/27/2002
  • Est. Priority Date: 01/15/1999
  • Status: Abandoned Application
First Claim
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1. , a kind of compound, its structural formula is:

  • Wherein R is H or CS 2-X +, X +Be basic metal, alkaline-earth metal or ammonium, n makes the total molecular weight of this compound at about 3000-100, the number of repeat unit in 000 scope.

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