Patent ID: 6886698
Filing Date: 2005-05-03
Classification: B01D,B01J

Abstract:
1. Filter apparatus for recovery of spent hydrogenation catalyst-rich material, the apparatus comprising: (a) a pressure filter container having a base, a sidewall extending upwardly from the base and tenninating in an upper rim; (b) the container having a perforated filter plate which is supported in spaced-apart relation to the base; (c) a removable lid for closing the upper rim of the container; (d) the lid having a main inlet for pyrophoric catalyst-rich material; (e) a removable filter bag of flexible solvent/water permeable material for placing in the container below the lid; (f) the bag having a top rim and a base; (g) a releasable clamp for clamping the top rim of the bag in position against the container sidewall; (h) the base of the bag being supported on the filter plate for collection of filtered spent pyrophoric catalyst material; and (i) the lid having a water inlet for wetting of the spent pyrophoric catalyst material prior to removal of the bag.