Process for the separation of ortho-chloronitrobenzene

Details Process for the separation of ortho-chloronitrobenzene Process for the separation of ortho-chloronitrobenzene

C - Chemistry, Metallurgy

07

C

260/612.9

C07C 201/16 (2006.01)

Patent

CA 1130319

"PROCESS FOR THE SEPARATION OF ORTHO-CHLORONITROBENZENE" ABSTRACT An adsorptive separation process for separating ortho- chloronitrobenzene from a feed mixture comprising ortho-chloronitrobenzene and at least one other isomer of chloronitrobenzene, which process com- prises contacting the feed mixture with an adsorbent comprising a type X or type Y zeolite containing at the exchangeable cationic sites one or more cations selected from the group consisting of Groups IA, IIA and the transi- tion metals of the Periodic Table of Elements, selectively adsorbing sub- stantially all of the said ortho-chloronitrobenzene to the substantial ex- clusion of the remaining isomers and thereafter recovering high-purity ortho-chloronitrobenzene. A desorption step may be used to desorb the ad- sorbed ortho-chloronitrobenzene.

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