B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
134/5.2
B08B 7/04 (2006.01) D21F 3/08 (2006.01) F16C 13/00 (2006.01)
Patent
CA 1232179
PROTEINACEOUS SOIL REMOVAL PROCESS ABSTRACT OF THE INVENTION A process for automated and improved proteinaceous soil removal in a wash water solution wherein alkali is first added to the wash water solution to bring the pH thereof to slightly below a selected target pH value in the range of 10 to 11 that will be effective to react with and solubilize the proteinaceous soil. To that wash water solution 5 to 50 milligrams of hypohalous halogen per liter of wash water solution and sufficient alkali is added to raise the pH of the wash water solution to the target pH value. The wash water solution is monitored to detect a drop in pH of at least 0.02 pH units occurring after the addition of the hypohalous halogen. If there is no such drop in pH then the process is terminated. If there is at least a 0.02 pH units drop in pH then an incremental amount of hypohalous halogen and sufficient alkali are added to the solution to again raise the pH of the water solution to the target pH. This cycle continues until there is less than 0.02 pH units drop thereby insuring substantially complete reaction with the protein- aceous soil.
470158
Kaufman Charles D.
Reinert Raymond L.
Company General Electric
Eckersley Raymond A.
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