Use of sulfamic acid to inhibit phosphonate decomposition by chl

Details Use of sulfamic acid to inhibit phosphonate decomposition by chl Use of sulfamic acid to inhibit phosphonate decomposition by chl

1987-10-15

1988-07-26

Wyse, Tom

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210700, 210754, 210764, 252180, C02F 514

Patent

active

047598522

ABSTRACT:
The decomposition of phosphonates by chlorine-bromine solutions present in industrial process waters can be diminished or prevented by treating such waters with sulfamic acid.

REFERENCES:
patent: 3214454 (1965-10-01), Blaser et al.
patent: 3278446 (1965-10-01), Blaser et al.
patent: 3336221 (1967-08-01), Ralston
patent: 4026815 (1977-05-01), Kallfass et al.
patent: 4451376 (1984-05-01), Sharp
patent: 4642194 (1987-02-01), Johnson
patent: 4643835 (1987-02-01), Koeplin-Gall et al.
patent: 4711724 (1987-12-01), Johnson
"Small-Scale Short-Term Methods of Evaluating Cooling Water Treatments . . . Are They Worthwhile?", D. T. Reed & R. Nass, Nalco Chemical Company, International Water Conference, Pittsburgh, Pa. Nov. 4-6, 1975.

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