Bisulfite sponge process

Details Bisulfite sponge process Bisulfite sponge process

1980-12-15

1983-01-25

Cintins, Ivars C.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210673, 210683, 423519, B01D 1500

Patent

active

043702392

ABSTRACT:
Sulfite ions are removed from an aqueous liquid by decreasing the pH of the liquid to convert at least a portion of the sulfite ions to bisulfite ions and contacting the liquid with a macroreticular solid compound containing carbonyl groups that can form adducts with the bisulfite ions.

REFERENCES:
patent: 4196175 (1980-04-01), Jensen
Moeller, T., Inorganic Chemistry, N.Y., John Wiley & Sons, 1952, p. 537.

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