Scale inhibitor for reverse osmosis water purification system

Details Scale inhibitor for reverse osmosis water purification system Scale inhibitor for reverse osmosis water purification system

1981-01-06

1983-05-31

Hruskoci, Peter A.

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

210701, 210699, C02F 514

Patent

active

043860052

ABSTRACT:
A composition for inhibiting scale build up in reverse osmosis water purification systems. The composition is composed of low molecular weight polyacrylic and phytic acid in a synergistic combination and significantly reduces build up of calcium, magnesium, and/or iron scale.

REFERENCES:
patent: 2497062 (1950-02-01), Artz
patent: 2626238 (1953-01-01), Artz
patent: 3502587 (1970-03-01), Stanford et al.
patent: 3549548 (1970-12-01), Newman
patent: 3589998 (1971-06-01), Rice et al.
patent: 3890228 (1975-06-01), Hwa et al.
Nancollas, "The Nucleation, Growth & Dissolution of Crystals of Scale Forming Minerals," NSF, Prop. No. 67850540, 1-31-78.
Technical Bulletin, Du Pont Company, "Pretreatment Guidelines for Sea Water & Other High Salinity Feeds," No. 440, 4-6-77.
Technical Bulletin, Du Pont Company, "Prevention of CaCO.sub.3 & SO.sub.4 Scaling of B-9 Permeator," No. 410, 9-1-77.
Technical Bulletin, Du Pont Company, Pretreatment Considerations for Reverse Osmosis, No. 401, 9-1-77.

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