B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
23/366
B01J 8/02 (2006.01) B01J 31/08 (2006.01) C07C 45/73 (2006.01)
Patent
CA 1058831
A METHOD OF CONDUCTING REACTIONS IN A TRICKLE-TYPE REACTOR (D#71,200-DTA-92-F) ABSTRACT Trickle-type fixed-bed catalytic reactions are improved, prior to starting or resuming an on- stream period, by purging air from the catalyst bed and reaction zone by downward flow of an inert gas there- through, flooding the purged reaction zone by flowing a liquid upwardly through the catalyst bed to cover same, then removing the liquid and instituting the on-stream period by introducing gaseous and liquid reactants at the upper end of the catalyst bed to flow downwardly there- through. -I-
218992
Brandes Gunter
Neier Wilhelm
Webers Werner
Wollner Johannes
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