Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dieter Baumann0
Jörg Heilek0
Bernd Eck0
Date of Patent
January 29, 2008
Patent Application Number
10333721
Date Filed
July 27, 2001
Patent Primary Examiner
Patent abstract
The present invention relates to the use of an optical line detector for regulating the position of the wash front and/or of the build-up front of the crystal bed of a wash column in a melt crystallization process and a corresponding regulation method. The line detector, for example a CCD camera or a linear array of reflection probes, is arranged in such a way that optical properties of the crystal bed can be detected continuously in a region running parallel to the longitudinal axis of the wash column, this region covering the desired setpoint position of the wash front or of the build-up front.
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