Inhibition of scale

Details Inhibition of scale Inhibition of scale

1993-11-18

1994-11-01

Hruskoci, Peter A.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210700, 210701, 252180, 252181, 422 15, C02F 514

Patent

active

053605500

ABSTRACT:
A method of inhibiting the precipitation of barium scale from an aqueous system, comprising adding to the aqueous system a product having the formula I: ##STR1## in which M is hydrogen or an alkali metal ion, an ammonium ion or a quanternized amine radical; R.sub.1 is hydrogen or methyl; and n is an integer having an average value ranging from 4 to 20.

REFERENCES:
patent: 4046707 (1977-09-01), Smith et al.
patent: 4563284 (1986-01-01), Amjad
patent: 4913823 (1990-04-01), Lipinski et al.
patent: 5160630 (1992-11-01), Clubley et al.
patent: 5229030 (1993-07-01), Clubley et al.
Journal of Crystal Growth, 100 (1990) 109-116-Van Der Leeden, et al. "Effect of the Nuclear Weight . . . Retardation".

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