公开(公告)号：MY118500A

公开(公告)日：2004-11-30

申请号：MYPI9701658

申请日：1997-04-16

Applicant: DAICEL CHEM

Inventor： MIURA HIROYUKI ,  KAYAJIMA MASANOBU ,  SATO TAKASHI

IPC: B01J39/08 ,  C07C51/42 ,  C07B63/02 ,  C07C51/47 ,  C07C51/573 ,  C07C53/08 ,  C07C53/12

Abstract: AN OBJECT OF THE PRESENT INVENTION IS TO PROVIDE AN OPERATING METHOD WHICH CAN REDUCE THE AMOUNT OF SILVER OR MERCURY DISSOLVED IN A SOLUTION AFTER CONTACT AND CAN INCREASE THE USAGE OF SILVER OR MERCURY WITHOUT INSTALLING NEW TREATING FACILITIES IN A PROCESS FOR REMOVING IODINE COMPOUNDS CONTAINED IN AN ORGANIC MEDIUM, PARTICULARLY ACETIC ACID OR A MIXTURE OF ACETIC ACID OR ACETIC ANHYDRIDE, BY CONTACTING THEM WITH A CATION EXCHANGE RESIN IN WHICH AT LEAST 1OF THE ACTIVE SITES ARE CONVERTED TO A SILVER FORM OR A MERCURY FORM. THE OPERATING METHOD DESCRIBED ABOVE IS CHARACTERIZED BY CARRYING OUT THE OPERATION WHILE ELEVATING THE TEMPERATURES IN STAGES WHILE CONTACTING THE ORGANIC MEDIUM, PARTICULARLY ACETIC ACID OR A MIXTURE OF ACETIC ACID AND ACETIC ANHYDRIDE, CONTAINING THE IODINE COMPOUNDS WITH A CATION EXCHANGE RESIN.

公开(公告)号：ID16683A

公开(公告)日：1997-10-30

申请号：ID971404

申请日：1997-04-28

Applicant: DAICEL CHEM

Inventor： MIURA HIROYUKI ,  KAYAJIMA MASANOBU ,  SATO TAKASHI

IPC: B01J39/08 ,  C07B63/02 ,  C07C51/47 ,  C07C53/08 ,  C07C53/12 ,  C07C51/42 ,  B01J39/00

公开(公告)号：SG60062A1

公开(公告)日：1999-02-22

申请号：SG1997001444

申请日：1997-04-16

Applicant: DAICEL CHEM

Inventor： MIURA HIROYUKI ,  KAYAJIMA MASANOBU ,  SATO TAKASHI

IPC: B01J39/08 ,  C07B63/02 ,  C07C51/47 ,  C07C53/08 ,  C07C53/12 ,  B01D15/04