Removal of dissolved organic matter from acidic aqueous solution

Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing

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423531, 210 54, C01B 2516, C01B 1790

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active

040642208

ABSTRACT:
An aqueous solution of a mineral acid is freed of dissolved or colloidally dispersed organic matter by admixing to the solution an aldehyde or an aldehyde oligomer and a compound copolymerizable with an aldehyde, allowing a polymerization reaction to occur and separating the resulting polymer. The polymer that forms removes selectively from the solution the said organic matter and any suspended organic matter is also removed. The aldehyde and the compound copolymerizable therewith may be added in the form of a pre-condensate.

REFERENCES:
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patent: T942007 (1976-01-01), Stinson et al.
patent: 2133251 (1938-10-01), McCord
patent: 2866684 (1958-12-01), Colwell
patent: 3226318 (1965-12-01), Schick
patent: 3634230 (1972-01-01), Odom et al.
patent: 3869387 (1975-03-01), Vargiu et al.
patent: 3967948 (1976-07-01), McCullough
Chem. Abstracts-vol. 81-1974-65709e.
Chem. Abstracts-vol. 82-1975-174950t.

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