EIN VERFAHREN ZUR KRISTALLISATION VON BETAINMONOHYDRAT UND WASSERFREIEM BETAIN

The invention relates to a process for the crystallization of substances having a narrow metastable supersaturation zone. In the process the saturation of a solution is gradually increased and the solution is seeded for the crystallization. The seeding is performed at a seeding point which is select...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VIRTANEN, JOUKO, NURMI, JUHA, ERIKSSON, KRISTIAN
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS SPECIALLY ADAPTED THEREFOR APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF SUCROSE SEPARATION SUGAR INDUSTRY TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a process for the crystallization of substances having a narrow metastable supersaturation zone. In the process the saturation of a solution is gradually increased and the solution is seeded for the crystallization. The seeding is performed at a seeding point which is selected in response to a signal received from said process indicating imminent or initial spontaneous nucleation. The process provides a good crystal yield and a crystalline product having a uniform crystal structure and a narrow crystal size distribution.