Control of iron induced fouling in water systems

Details Control of iron induced fouling in water systems Control of iron induced fouling in water systems

1981-10-09

1983-06-07

Hruskoci, Peter A.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252181, 252389A, 422 13, 422 17, C02F 510

Patent

active

043870279

ABSTRACT:
A method for inhibiting corrosion and controlling deposition in an iron containing aqueous medium is disclosed. The method is capable of providing for the formation of a protective passive oxide film on the metallic surfaces in contact with the aqueous medium without resulting in unacceptable iron based deposition or fouling. Surprisingly, the method does not call for the addition of an organic-phosphonic acid compound or derivative to the aqueous medium as would be normally expected due to the known iron dispersing characteristics of these type compounds. The invention comprises maintaining the pH level at 5.5 or above, assuring that a certain minimal calcium or other ion level is maintained, and adding to the system an orthophosphate compound and a water soluble acrylic acid/hydroxyalkylacrylate copolymer.

REFERENCES:
patent: 2711391 (1955-06-01), Kahler
patent: 2793932 (1957-05-01), Kahler et al.
patent: 2848299 (1958-08-01), Kahler et al.
patent: 2872281 (1959-02-01), Kahler et al.
patent: 2900222 (1959-08-01), Kahler et al.
patent: 3837803 (1974-09-01), Carter et al.
patent: 4029577 (1977-06-01), Godlewski et al.
patent: 4209398 (1980-06-01), Ii et al.
patent: 4303568 (1981-12-01), May et al.
patent: 4326980 (1982-04-01), Snyder et al.

Affiliated with

Also associated with

Rating

Control of iron induced fouling in water systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Control of iron induced fouling in water systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control of iron induced fouling in water systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2342395