On-line iron clean-up

Details On-line iron clean-up On-line iron clean-up

1990-01-30

1991-08-06

Pal, Asok

Cleaning and liquid contact with solids

Processes

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

134 28, 252 83, B08B 308

Patent

active

050374834

ABSTRACT:
An iron oxide cleaning composition and method for using these compositions as disclosed. This cleaning process uses formaldehyde sulfoxylate reducing agents in combination with hydrolyzable tanning extracts and chelating agents to remove deposited iron oxide from metal surfaces, particularly those surfaces exposed to recirculating cooling waters.

REFERENCES:
patent: 4190463 (1980-02-01), Kaplan
patent: 4481040 (1984-11-01), Brookes et al.
patent: 4610728 (1986-09-01), Natesh et al.

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