Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt

US7762404B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Joerg Heilek · Bammental, DE
• Dieter Baumann · Greven, DE
• Bernd Eck · Viernheim, DE
• Ulrich Hammon · Mannheim, DE
• Klaus Joachim Mueller-Engel · Blankenloch, DE

Key dates

• Filing date: Nov 8, 2002
• Grant date: Jul 27, 2010
• Expiry date: Sep 21, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D9/0045
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An apparatus for separating crystals from their suspension in contaminated crystal melt with purification, in which a hydraulic wash column has distributor aids in a distributor space.