JPS5611797A - Purification of dicarboxylic acid - Google Patents

Purification of dicarboxylic acid

Info

Publication number
JPS5611797A
JPS5611797A JP8506579A JP8506579A JPS5611797A JP S5611797 A JPS5611797 A JP S5611797A JP 8506579 A JP8506579 A JP 8506579A JP 8506579 A JP8506579 A JP 8506579A JP S5611797 A JPS5611797 A JP S5611797A
Authority
JP
Japan
Prior art keywords
dicarboxylic acid
acid
solution
partly
fermented solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8506579A
Other languages
Japanese (ja)
Inventor
Isamu Kawaguchi
Hidetoki Tanabe
Toru Matsuyoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP8506579A priority Critical patent/JPS5611797A/en
Publication of JPS5611797A publication Critical patent/JPS5611797A/en
Pending legal-status Critical Current

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  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

PURPOSE: To improve the efficiency of water separation from a dicarboxylic acid in crystallization, by adding an inorganic acid to a fermented solution from which microbial cells are previously separated to make pH not larger than 4.0, followed by heating the solution so that the dicarboxylic acid is partly dissolved or partly melted.
CONSTITUTION: An inorganic acid is added to a fermented solution from which microbial cells are previously separated so that the pH of the fermented solution is adjusted to not larger than 4.0 and a dicarboxylic acid is crystallized. The solution is heated and the dicarboxylic acid is partly dissolved and partly method. The solution is then cooled with stirring to precipitate the crystal of the dicarboxylic acid. Thus, the purification of the dicarboxylic acid is carried out. Succinic acid, adipic acid, pimelic acid, etc. may be cited as the dicarboxylic acid. An n-paraffin having the same carbon atom numbers as that of the desired dicarboxylic acid is used as the raw material to be used for the preparation of the dicarboxylic acid by fermentation using a microorganism. The heating temperature of the fermented solution is not lower than the melting point of the dicarboxylic acid and preferably reflux temperature.
COPYRIGHT: (C)1981,JPO&Japio
JP8506579A 1979-07-06 1979-07-06 Purification of dicarboxylic acid Pending JPS5611797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8506579A JPS5611797A (en) 1979-07-06 1979-07-06 Purification of dicarboxylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8506579A JPS5611797A (en) 1979-07-06 1979-07-06 Purification of dicarboxylic acid

Publications (1)

Publication Number Publication Date
JPS5611797A true JPS5611797A (en) 1981-02-05

Family

ID=13848221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8506579A Pending JPS5611797A (en) 1979-07-06 1979-07-06 Purification of dicarboxylic acid

Country Status (1)

Country Link
JP (1) JPS5611797A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904389A (en) * 1987-06-19 1990-02-27 Henkel Kommanditgesellschaft Auf Aktien Process for the separation of dicarboxylic acids
CN1049688C (en) * 1995-10-05 2000-02-23 中国石油化工总公司 Method for treatment of alpha, omega dibasic acid fermentation liquor
CN1079389C (en) * 1998-12-03 2002-02-20 中国石油化工集团公司 Process for refining long-chain biatomic acid
CN100345814C (en) * 2004-10-29 2007-10-31 中国石油化工股份有限公司 Long chain diprotic acid refining method
JP2013531656A (en) * 2010-06-16 2013-08-08 ビオアンブ，ソシエテ パ アクシオンス シンプリフィエ Method for producing hydrogenated products and derivatives thereof
US9035095B2 (en) 2010-03-16 2015-05-19 Mitsubishi Chemical Corporation Processes for producing succinic acid

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904389A (en) * 1987-06-19 1990-02-27 Henkel Kommanditgesellschaft Auf Aktien Process for the separation of dicarboxylic acids
CN1049688C (en) * 1995-10-05 2000-02-23 中国石油化工总公司 Method for treatment of alpha, omega dibasic acid fermentation liquor
CN1079389C (en) * 1998-12-03 2002-02-20 中国石油化工集团公司 Process for refining long-chain biatomic acid
CN100345814C (en) * 2004-10-29 2007-10-31 中国石油化工股份有限公司 Long chain diprotic acid refining method
US9035095B2 (en) 2010-03-16 2015-05-19 Mitsubishi Chemical Corporation Processes for producing succinic acid
JP2013531656A (en) * 2010-06-16 2013-08-08 ビオアンブ，ソシエテ パ アクシオンス シンプリフィエ Method for producing hydrogenated products and derivatives thereof

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