Aqueous alkaline metal descaling concentrate and method of use

Details Aqueous alkaline metal descaling concentrate and method of use Aqueous alkaline metal descaling concentrate and method of use

1995-07-14

1996-11-19

Willis, Jr., Prince

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 3, 134 40, 25217414, 252180, 252175, 510175, 510176, 510362, 510435, 510509, C02F 508, C02F 510, C23F 404

Patent

active

055758576

ABSTRACT:
The scale formed by use of alkaline salt-based cleaners and which comprises one or more alkaline salts and organic scale is removed by applying an aqueous solution comprising alkali metal carbonate salts and optionally, a hydrotrope to remove the organic scale. A mixture of potassium and sodium carbonate salts has been found to effect better descaling than use of either of the salts alone.

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