Process for working up organic reaction mixtures

Details Process for working up organic reaction mixtures Process for working up organic reaction mixtures

1980-02-13

1981-07-07

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423578R, 71 49, C01B 17033

Patent

active

042774594

ABSTRACT:
Organic reaction mixtures, particularly of mixtures containing contaminant organic phosphorus compounds and/or sulfur, are worked up by introducing the mixture into water which has been made alkaline and has a temperature of from -10.degree. to +50.degree. C., a pH value of at least 10 being maintained in the resulting mixture, separating the aqueous phase from the sulfur which separates out; and contacting the aqueous phase or the sulfur which has separated out with nitric acid at an elevated temperature and a pH of below 3.

REFERENCES:
patent: 3089890 (1963-05-01), Chupp et al.
patent: 3304158 (1968-03-01), Dale
patent: 3502750 (1970-03-01), Anglaret et al.

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