Method of controlling scale formation in brine concentration and

Details Method of controlling scale formation in brine concentration and Method of controlling scale formation in brine concentration and

1997-04-30

1999-02-02

Hruskoci, Peter A.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

159 473, 159DIG13, 203 7, 252180, C02F 510

Patent

active

058660119

ABSTRACT:
A method of treating water to inhibit the formation of salt scale is disclosed. The method is particularly effective at inhibiting the formation and deposition of mineral salts in brine concentration and evaporation systems. The method comprises introducing into the system a polyepoxysuccinic acid of the general formula: ##STR1## where n ranges from about 2 to about 50, M is hydrogen or a water soluble cation such as Na.sup.+, NH.sub.4.sup.+ or K.sup.+ and R is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 substituted alkyl.

REFERENCES:
patent: 4654159 (1987-03-01), Bush et al.
patent: 5062962 (1991-11-01), Brown et al.
patent: 5156706 (1992-10-01), Sephton
patent: 5562830 (1996-10-01), Zidovec et al.
patent: 5616278 (1997-04-01), Carey et al.

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