RECOVERY OF CARBOXYLIC ACID FROM THEIR MAGNESIUM SALTS BY PRECIPITATION USING HYDROCHLORIC ACID, USEFUL FOR FERMENTATION BROTH WORK-UP

The invention provides a method for preparing a succinic acid, which method includes the steps of: providing magnesium succinate; acidifying the magnesium succinate with hydrochloric acid (HCl), thereby obtaining a solution including succinic acid and magnesium chloride (MgCl2); optionally a concent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JANSEN, PETER PAUL, VAN BREUGEL, JAN, VIDAL LANCIS, JOSÉ MARÍA, DE HAAN, ANDRÉ BANIER, CERDÀ BARÓ, AGUSTÍN, VAN DER WEIDE, PAULUS LODUVICUS JOHANNES
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS COMPOUNDS THEREOF HETEROCYCLIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The invention provides a method for preparing a succinic acid, which method includes the steps of: providing magnesium succinate; acidifying the magnesium succinate with hydrochloric acid (HCl), thereby obtaining a solution including succinic acid and magnesium chloride (MgCl2); optionally a concentration step, wherein the solution including succinic acid and MgCl2 is concentrated; precipitating succinic acid from the solution including succinic acid and MgCl2, thereby obtaining a succinic acid precipitate and a MgCl2 solution. The addition of HCl to a magnesium salt of succinic acid and subsequent precipitation of succinic acid from the solution leads to a very efficient separation of succinic acid from a magnesium succinate solution.