B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/18 (2006.01) B01D 53/02 (2006.01) B01J 20/28 (2006.01) C07C 17/389 (2006.01)
Patent
CA 2268489
The invention provides an adsorbing and separating agent for halogenated aromatic compounds, and an adsorbing and separating method for the compounds. Using the adsorbing and separating agent of the invention gives a high-purity, halogenated aromatic compound isomer. In the adsorbing and separating method of the invention, the adsorbent used is prevented from being deteriorated and its life can be prolonged. The adsorbent for separating halogenated aromatic compounds of the invention has a porosity o from 0.20 cc/cc to 0.37 cc/cc, a packing density of from 0.50 g/ml to 0.70 g/ml, and a grain size of from 0. 1 mm to 1. 0 mm. With the adsorbent, a halogenated aromatic compound isomer is separated and recovered; or a halogenated aromatic compound having a dissolved oxygen content of at most 15 ppm by weight is separated and recovered with an adsorbent. In the method, at least one, high-purity isomer can be efficiently separated and recovered from a mixture of halogenated aromatic compound isomers.
Iwayama Kazuyoshi
Kato Masashi
Okino Hirohito
Yamakawa Shinobu
Smart & Biggar
Toray Industries Inc.
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