Process for separating iodine and its compounds from the product

Details Process for separating iodine and its compounds from the product Process for separating iodine and its compounds from the product

1986-09-16

1992-12-08

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

560248, 562517, 562519, 562608, 562898, C07C 6736, C07C 5110, C07C 5114, C07C 5112

Patent

active

051699826

ABSTRACT:
Iodine and its compounds are separated from the carbonylation products acetic acid, acetic anhydride or ethylidene diacetate obtained on subjecting dimethylether, methyl acetate or methanol to a carbonylation reaction in the presence of an iodine-containing catalyst. The quantity of total iodine contaminating the carbonylation products is reduced to less than 20 ppb iodine by treating the products at 20.degree.-200.degree. C. with peracetic acid, diacetyl peroxide or a compound yielding these two agents under the reaction conditions, and separating them distillatively.

REFERENCES:
House, Modern Synthetic Reactions, Second Edition, The Benjamin/Cummings Publishing Co., pp. 292-293.
Condensed Chemical Dictionary, 6th Ed. (ed. Rose et al), Reinhold Pub. Co., New York, N.Y., 1961, pp. 864-865.

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