Process for the elimination of hydrogen sulfide or iron sulfide

Details Process for the elimination of hydrogen sulfide or iron sulfide Process for the elimination of hydrogen sulfide or iron sulfide

1983-12-06

1985-02-26

Hruskoci, Peter

Liquid purification or separation

Processes

Chemical treatment

210732, 210916, 252 855E, 422 5, 422 14, 423563, C02F 100, C02F 154

Patent

active

045016682

ABSTRACT:
There are employed water soluble low molecular weight polycondensation products produced by the condensation of acrolein and formaldehyde in a molar ratio between 1:1 and 1:10 in aqueous or aqueous-organic medium in the presence of a basic catalyst for the elimination of hydrogen sulfide and iron sulfide present in aqueous systems. The condensation reaction can also be carried out in the additional presence of water soluble monohydric or polyhydric alcohols and/or acid amides.

REFERENCES:
patent: 2267276 (1941-12-01), Hager
patent: 3687615 (1972-08-01), Gorin et al.
patent: 3883303 (1975-05-01), Roberts
patent: 4160656 (1979-07-01), Junkermann

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