B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/20 (2006.01) B01D 29/35 (2006.01) B01D 61/14 (2006.01) B01D 65/06 (2006.01) B01D 65/08 (2006.01) B01D 67/00 (2006.01) C07C 51/42 (2006.01)
Patent
CA 2063324
- 1 - HOE 91/F 084 Abstract of the disclosure Process for separating catalysts from suspensions by filtration The process for separating off rare metal catalysts used in the preparation of ether-carboxylic acids by catalytic oxidation with a suspended catalyst comprises carrying out a crossflow filtration and pretreating the filter elements used with a medium which is not solid under the treatment conditions and is composed of one or more carboxylic acids.
Dettmeier Udo
Herzog Willi
Kauffelt Manfred
Leupold Ernst I.ngo
Weichselbaumer Georg
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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