CIP METHOD FOR CLEANING USING A NON-STAINING HIGH ALKALINE CLEANER

• Main Authors: SCHACHT, Paul, Frazer, WILLIAMS, Brian, CABANAS, Jesus, POWER, Caleb, COURT, Colin
• Format: Patent
• Language: English; French; German
• Published: 24.08.2022
• Subjects: ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; CANDLES; CHEMICAL SURFACE TREATMENT; CHEMISTRY; CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DETERGENT COMPOSITIONS; DETERGENTS; DIFFUSION TREATMENT OF METALLIC MATERIAL; FATTY ACIDS THEREFROM; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; RECOVERY OF GLYCEROL; RESIN SOAPS; SOAP OR SOAP-MAKING; USE OF SINGLE SUBSTANCES AS DETERGENTS

A method of inhibiting liquid and vapor phase corrosion and staining while cleaning soils from industrial equipment using a CIP process under highly alkaline and oxidizing conditions, whereby gluconic acid or salts thereof serve as corrosion and stain inhibitor.