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Title:
CARBOXYLIC ACID RECOVERY FROM MAGNESIUM CARBOXYLATE MIXTURE
Document Type and Number:
Japanese Patent JP2017071621
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for recovering carboxylic acid from a magnesium carboxylate-containing aqueous mixture.SOLUTION: A method includes the steps of: contacting a magnesium carboxylate-containing aqueous mixture with an acidic ion exchanger and thereby forming a carboxylic acid mixture and an ion exchanger carrying a magnesium ion; contacting the ion exchanger carrying the magnesium ion and a hydrochloric acid solution and thereby forming a magnesium chloride solution; and thermal decomposing the magnesium chloride solution at a temperature of at least 300°C and thereby forming magnesium oxide (MgO) and hydrogen chloride (HCl).SELECTED DRAWING: None

Inventors:
ADRIAAN DIRK KON
ANDRE BANIER DE HAAN
PAULUS LODUVICUS JOHANNES VAN DER WEIDE
TANJA DEKIC ZIVKOVIC
LUCIEN HENRI LEANDER JOZEF DE KONINCK
Application Number:
JP2016222907A
Publication Date:
April 13, 2017
Filing Date:
November 16, 2016
Export Citation:
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Assignee:
PURAC BIOCHEM BV
International Classes:
C07C51/02; C07C55/10; C07C59/08
Domestic Patent References:
JPS60217897A1985-10-31
JP2001506585A2001-05-22
JPS60217897A1985-10-31
JP2001506585A2001-05-22
JP2008502657A2008-01-31
Foreign References:
WO2009153886A12009-12-23
WO2000017378A22000-03-30
WO2011082378A22011-07-07
WO2009153886A12009-12-23
WO2000017378A22000-03-30
WO2011082378A22011-07-07
Attorney, Agent or Firm:
Mitsuo Matsui
Hiroshi Murakami



 
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