Removal of soluble tellurium or compounds thereof from a crude g

Details Removal of soluble tellurium or compounds thereof from a crude g Removal of soluble tellurium or compounds thereof from a crude g

1979-10-09

1981-03-17

Garner, Vivian

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

2604106, 260550, 423508, 423509, 423510, 560246, C07C 6756, C07C 6908, C07C 6916, C07C 6928

Patent

active

042569125

ABSTRACT:
A method for the removal of soluble tellurium compounds from vicinal glycol ester solutions, prepared with tellurium-halide ion catalyst systems, by diluting the tellurium-containing vicinal glycol ester solution with water and contacting said glycol-water solution with a strongly acidic sulfonated ion exchange resin leaving an essentially tellurium-free vicinal glycol ester reaction product which may then be processed to recover the desired ester product and by-products without loss of valuable tellurium. The tellurium may be recovered from the ion exchange resin and treated to recover tellurium in a form suitable for reuse.

REFERENCES:
patent: 3789065 (1974-01-01), Kallar
patent: 3907874 (1975-09-01), Harvey et al.
patent: 4045477 (1977-08-01), Sherwin et al.
patent: 4073876 (1978-02-01), Gupta

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