Method of separating active hydrogen compounds from heterogeneou

Details Method of separating active hydrogen compounds from heterogeneou Method of separating active hydrogen compounds from heterogeneou

1977-02-04

1978-09-26

Vertiz, O. R.

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

Chemical modification of asphalt, tar, pitch or resin

C10C 120

Patent

active

041168119

ABSTRACT:
Organic compounds having active hydrogen are separated from heterogeneous mixtures of organic compounds, such as tar, which also contain organic compounds which do not have active hydrogen. The method involves preferential conversion of the active hydrogen compounds to soluble compounds by reaction with a reagent which is an alkene oxide or ethyleneimine, introducing a solvent for the soluble compounds whereby two phases are formed, and then separating the phases.

REFERENCES:
patent: 3920467 (1975-11-01), Stewart et al.

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