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Water control system using oxidation reduction potential sensing

  • US 5,342,510 A
  • Filed: 07/30/1993
  • Issued: 08/30/1994
  • Est. Priority Date: 02/03/1992
  • Status: Expired due to Fees
First Claim
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1. An automatic control system adapted for controlling scale formation in a water circulating system comprising:

  • first sensing means for measuring the oxygen reduction potential (ORP) of the circulating water containing a soap having a 1;

    1 stoichiometric equivalent of an organic acid and ammonia in the water for controlling scale formation in said system andsupply means for automatically supplying said soap in response to a predetermined ORP measured by said first sensing means substantially corresponding to a pH higher or lower than a selected range for controlling said scale.

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