Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1987-06-29
1988-11-08
Wyse, Tom
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
C02F 514
Patent
active
047832673
ABSTRACT:
A method for stabilizing metal ions in recirculating water systems is disclosed. This method utilizes 2-hydroxyphosphonoacetic acid at a dosage of 0.1-100 ppm to solubilize metal ions thereby reducing deposition and corrosion.
REFERENCES:
patent: 4617129 (1986-10-01), Lees
patent: 4681686 (1987-07-01), Richardson et al.
patent: 4689200 (1987-08-01), Cook et al.
Boffardi Bennett P.
Rey Susan P.
Calgon Corporation
Mitchell W. C.
Sudol, Jr. M. C.
Wyse Tom
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