VERFAHREN ZUR ABTRENNUNG VON HYDROXIMONO- UND TRICARBONSÄUREN

Sepn. of hydroxy mono- and tricarboxylic acids from aq. solns. contg. at least one of these acids is effected by contacting the soln. with an adsorbent material comprising a zeolite with an SiO2/Al2O3 ratio of ≤ 400, and recovering the acid(s) from the adsorbent material by desorption.

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Bibliographische Detailangaben
Hauptverfasser:	SEXTL, ELFRIEDE, KINZ, HEIKE, YONSEL, SEMS, STOCKHAMMER, STEFAN, SCHAEFER-TREFFENFELDT, WILTRUD, KISS, AKOS
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	Sepn. of hydroxy mono- and tricarboxylic acids from aq. solns. contg. at least one of these acids is effected by contacting the soln. with an adsorbent material comprising a zeolite with an SiO2/Al2O3 ratio of ≤ 400, and recovering the acid(s) from the adsorbent material by desorption.