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Process for protecting asbestos-cement bearing surfaces in recirculating cooling water systems

  • US 4,132,526 A
  • Filed: 11/12/1976
  • Issued: 01/02/1979
  • Est. Priority Date: 11/12/1976
  • Status: Expired due to Term
First Claim
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1. A method of inhibiting the destructive effect of cooling water on asbestos-cement components of a cooling water system which comprises concurrently adjusting and/or maintaining the cooling water in said system at a pH of 6 to 10 so as to provide a positive Langelier saturation and adding to the water a sufficient amount for the purpose of a material selected from the group consisting of water soluble phosphonic acid compounds, water soluble phosphate compounds, water soluble acrylic polymers, water soluble silicates, and mixtures thereof.

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