Corrosion control

Details Corrosion control Corrosion control

1989-05-18

1991-06-11

Pal, Asok

Cleaning and liquid contact with solids

Processes

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

134 3, 134 28, 134 41, 252392, 252393, B08B 308

Patent

active

050229265

ABSTRACT:
A method of removing iron contaminants in an aqueous system by introducing and maintaining within the system at least one ortho dihydroxyaromatic compound having at least one electron withdrawing group pendant from the aromatic ring and, further, a method of inhibiting calcium scale formation in the presence of iron contaminants by utilizing at least one dehydroxyaromatic compound in combination with calcium scale inhibitors.

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Biermans, Clay Minerals (1977) 12, 127.
Murekami et al, Bull. Chem. Soc. Jap. (1963), vol. 36, 1408-1411.

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