Title:
発酵ブロス処理にとって有用な、塩化水素酸を用いた沈殿によるカルボン酸のそれらのマグネシウム塩からの回収
Document Type and Number:
Japanese Patent JP6994540
Kind Code:
B2
Abstract:
The invention provides a method for preparing a carboxylic acid, which method comprises the steps of providing magnesium carboxylate, wherein the carboxylic acid corresponding with the carboxylate is selected from the group consisting of 2,5-furandicarboxylic acid, fumaric acid, adipic acid, itaconic acid, citric acid, glutaric acid, maleic acid, malonic acid, oxalic acid and fatty acids having more than 10 carbon atoms; - acidifying the magnesium carboxylate with hydrogen chloride (HCl), thereby obtaining a solution comprising carboxylic acid and magnesium chloride (MgCl2); - optionally a concentration step, wherein the solution comprising carboxylic acid and MgCl2 is concentrated; - precipitating the carboxylic acid from the solution comprising the carboxylic acid and MgCl2, thereby obtaining a carboxylic acid precipitate and a MgCl2 solution. The inventors found that the addition of HC1 to a magnesium salt of the carboxylic acid and subsequent precipitation of the carboxylic acid from the solution leads to a very efficient separation of the carboxylic acid from a magnesium carboxylate solution.
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Inventors:
Andre Banier de Khan
Jan van Eyck
Paulus Rodovicas Johannes van der Weide
Peter Paul Janssen
Jose Maria Vidal Lansis
Agustin Selda Baro
Jan van Eyck
Paulus Rodovicas Johannes van der Weide
Peter Paul Janssen
Jose Maria Vidal Lansis
Agustin Selda Baro
Application Number:
JP2020101294A
Publication Date:
January 14, 2022
Filing Date:
June 10, 2020
Export Citation:
Assignee:
Purak Biochem Bee Buoy.
International Classes:
C07C51/47; C07C55/10; C07C55/14; C07C57/13; C07C57/15; C07C59/265; C07D307/68; C12P7/40; C12P7/44; C12P7/46; C12P7/48
Domestic Patent References:
| JP2005295998A | ||||
| JP6716615B2 |
Foreign References:
| US20100323416 | ||||
| KR1020100122773A | ||||
| WO2001030699A1 |
Other References:
日本塩学会誌,1963年,Vol.17, No.4,p.167-173
化学大辞典1 縮刷版,1963年,p.1108-1109
化学大辞典1 縮刷版,1963年,p.1108-1109
Attorney, Agent or Firm:
Mitsuo Matsui
Hiroshi Murakami
Hiroshi Murakami
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