Title:
【発明の名称】エチリデンジアセテートからのアセチル有価物の回収
Document Type and Number:
Japanese Patent JPH06508142
Kind Code:
A
Abstract:
Disclosed is a process for the recovery of acetyl values from an ethylidene diacetate stream obtained from an acetic anhydride production system. The process comprises hydrolyzing ethylidene diacetate in a liquid phase, hydrolysis zone containing a non-volatile, acidic catalyst and maintained under boiling conditions to obtain a mixture of acetaldehyde, acetic acid and water and then oxidizing the mixture in a liquid phase, oxidation zone containing a cobalt oxidation catalyst to obtain a mixture of acetic acid and water. The process optionally includes a means for reducing substantially the concentration of iodine in the EDA used in the process.
Inventors:
Fillers, Carl Franklin
Eric Douglas, Middlemouth
Thompson, Hugh Meachum, Junior
Baron, Jerry Alan
Brown, william thomas
Eric Douglas, Middlemouth
Thompson, Hugh Meachum, Junior
Baron, Jerry Alan
Brown, william thomas
Application Number:
JP50050593A
Publication Date:
September 14, 1994
Filing Date:
May 27, 1992
Export Citation:
Assignee:
Eastman Kodak Company
International Classes:
C07B61/00; C07C45/42; C07C47/06; C07C51/09; C07C51/235; C07C51/487; C07C53/08; B01J31/00; (IPC1-7): C07C53/08; C07C45/42; C07C47/06; C07C51/09; C07C51/235; C07C51/487
Attorney, Agent or Firm:
Shoichi Ui (3 others)