ORGANIC ACID ISOLATION METHOD - MITSUBISHI MATERIALS CORP

Title:

ORGANIC ACID ISOLATION METHOD

Document Type and Number:

Japanese Patent JP2004089904

Kind Code:

A

Abstract:

To easily isolate and recover an organic acid from an organic acid-adsorbed substance.

Carbon dioxide at a temperature of 20°C or higher and a pressure of 1 MPa or higher is brought into contact with an organic acid-adsorbed substance (an anion exchange resin) containing water content to shift the organic acid to the carbon dioxide and isolate the organic acid from the substance.

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Inventors:

HATAKEYAMA KO
SAITO NARIMASA
TERAMAE NAOKI
YAMAGATA KAZUNORI
YAMANO YUURIKEI
KIKUCHI TOSHIAKI

Application Number:

JP2002256546A

Publication Date:

March 25, 2004

Filing Date:

September 02, 2002

Export Citation:

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Assignee:

MITSUBISHI MATERIALS CORP

International Classes:

B01D11/00; B01J3/00; B01J20/26; B01J20/34; B01J49/00; C07C51/47; C07C53/02; C07C53/08; (IPC1-7): B01D11/00; B01J3/00; B01J20/26; B01J20/34; B01J49/00; C07C51/47; C07C53/02; C07C53/08

Attorney, Agent or Firm:

Chiharu Shimizu
Yukio Ogata

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