Removal of anionic compounds from water

Details Removal of anionic compounds from water Removal of anionic compounds from water

1982-02-19

1984-01-10

Hruskoci, Peter A.

Liquid purification or separation

Processes

Ion exchange or selective sorption

1621641, 1621643, 1621646, 1621681, 1621822, 1621814, 1621815, 210667, 210712, 210727, 210728, 210917, C02F 156

Patent

active

044252382

ABSTRACT:
A process for removing anionic compounds from water which is recycled in manufacturing processes, and from waste water, by adding (1) water-soluble products obtained by reacting an alkylating agent, having an aromatic substituent, with a cationic polyelectrolyte and (2) mineral adsorbents and/or a magnesium salt, aluminum salt or iron salt, with formation and flocculation of water-insoluble reaction products.

REFERENCES:
patent: 3157595 (1964-11-01), Johnson et al.
patent: 3290310 (1966-12-01), Morf et al.
patent: 3300406 (1967-01-01), Pollio
patent: 3409547 (1968-11-01), Dajani
patent: 3484837 (1969-12-01), Odom et al.
patent: 4025429 (1977-05-01), Neuschutz
patent: 4096133 (1978-06-01), Zweigle
patent: 4276160 (1981-06-01), Donnert et al.

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