Method for controlling scale deposition in aqueous systems using

Details Method for controlling scale deposition in aqueous systems using Method for controlling scale deposition in aqueous systems using

1990-03-12

1991-05-14

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

252180, C02F 510

Patent

active

050153900

ABSTRACT:
This invention is directed to a method for controlling the formation of scale deposits in aqueous systems by adding an effective amount, preferably at least 0.1 ppm, of a maleic anhydride/quaternary ammonium-type polymer to the aqueous system being treated.

REFERENCES:
patent: 4166041 (1979-08-01), Goodman
patent: 4253968 (1981-03-01), Eastman
patent: 4460477 (1984-07-01), Costello et al.
patent: 4510059 (1985-04-01), Amjad et al.
patent: 4536292 (1985-08-01), Matz
patent: 4673508 (1987-06-01), Coleman et al.

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