Process for purification of crude terephthalic acid

Details Process for purification of crude terephthalic acid Process for purification of crude terephthalic acid

1983-07-21

1984-08-21

Trousof, Natalie

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

Organic compounds

Carboxylic acids and salts thereof

502185, 502230, 562485, C07C 5142

Patent

active

044671113

ABSTRACT:
A catalyst and process for purifying crude terephthalic acid wherein the catalyst is prepared by contacting a carbonaceous support with an aqueous solution of sodium tetranitropalladate.

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patent: 3591629 (1971-07-01), Stancell et al.
patent: 3607921 (1971-09-01), Stancell et al.
patent: 3726915 (1973-04-01), Pohlmann
patent: 3799976 (1974-03-01), Nienburg et al.
patent: 4260817 (1981-04-01), Thompson et al.

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