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

1990-02-20

1991-03-19

Wyse, Tom

Liquid purification or separation

Processes

Ion exchange or selective sorption

210701, 252180, C02F 514

Patent

active

050008560

ABSTRACT:
This invention is directed to a method for controlling the formation of scale deposits in aqueous systems operated at high pH and/or calcite saturation levels by adding an effective amount, preferably at least 0.1 ppm, of an allyl sulfonate/maleic anhydride polymer to the aqueous system being treated.

REFERENCES:
patent: 3879288 (1975-04-01), Siegele
patent: 4001134 (1977-01-01), Markofsky et al.
patent: 4166040 (1979-08-01), Goodman
patent: 4342652 (1982-08-01), Schiller et al.
patent: 4444675 (1984-04-01), Goeldner
patent: 4536292 (1985-08-01), Matz
patent: 4618448 (1986-10-01), Cha et al.
patent: 4640793 (1987-02-01), Persinski et al.

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