Process for magnesium scale control using mixtures of polycation

Details Process for magnesium scale control using mixtures of polycation Process for magnesium scale control using mixtures of polycation

1977-12-15

1979-08-28

Pitlick, Harris A.

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

210 58, C02B 506

Patent

active

041660412

ABSTRACT:
Magnesium hydroxide scale formation in evaporative desalination units is inhibited by adding to the saline water being processed a mixture of certain polycationic polymers and polyanionic polymers derived from an ethylenically unsaturated dibasic acid or an ethylenically unsaturated sulfonic acid.

REFERENCES:
patent: 3288770 (1966-11-01), Butler
patent: 3661880 (1972-05-01), Markert et al.
patent: 3706717 (1972-12-01), Siegele
patent: 3715307 (1973-02-01), Johnson
patent: 3738945 (1973-06-01), Panzer et al.
patent: 3810834 (1974-05-01), Jones et al.
patent: 3985671 (1976-10-01), Clark
patent: 4065607 (1977-12-01), Kurowsky
patent: 4072607 (1978-02-01), Schiller et al.
patent: 4085060 (1978-04-01), Vassileff

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