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Point-of-use generation of chlorinated alkaline cleaning solutions by electrolysis

  • US 6,719,891 B2
  • Filed: 11/21/2001
  • Issued: 04/13/2004
  • Est. Priority Date: 11/21/2001
  • Status: Expired due to Term
First Claim
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1. A process for generating cleaning compositions selected from the groan consisting of sanitizers and bleaches at the point of use, the process including a dispensing system for mixing a plurality of concentrated chemical compositions according to a predetermined recipe, the recipe providing at least one concentrated chemical composition including at least one of a buffer, a surfactant, a solvent or a water conditioning agent and combining said concentrated chemical composition with chlorine, sodium hydroxide, or mixture thereof, wherein said process employs an on-site generator of chlorine and sodium hydroxide by electrolysis of a sodium chloride solution, wherein the sanitizers are formed at a pH of about 4 to about 7, and the bleaches are formed at a pH of about 9 or higher by combining sodium hydroxide and chlorine formed during said process.

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