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stoichiometric_steve
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Oh yeah, it is. Wash your used catalyst with whatever organic solvent will take off the crap that you just processed, wash with dilute NaOH, wash off
the NaOH until pH=7, dry in plain air, and re-reduce it if necessary.
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Vogelzang
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Look at the patents in http://www.uspto.gov/web/patents/classification/uspc502/sche...
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Vogelzang
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http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&p=1...
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Vogelzang
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http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sec...
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Vogelzang
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http://www.google.com/patents?id=PvWfAAAAEBAJ&printsec=a...
http://v3.espacenet.com/publicationDetails/originalDocument?...
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Vogelzang
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Regeneration of Pd and other noble metal catalysts:
US 2208616 Reactivation of spent hydrogenation catalysts
US 2270874 Method of activating catalytic surfaces
US 2344208 Process for regenerating a "spent" noble metal oxide hydrogenation
catalyst
US 2664404 Regeneration of selective hydrogenation catalyst
US 2692240 Reactivation of alumina supported palladium catalysts
US 2955089 Reactivation of deactivated catalyst
US 2963444 Reactivating noble metal containing catalysts
US 3134732 Reactivation of regenerated noble metal catalysts with gaseous
halogens
US 3135699 Process for regenerating a hydrogenation catalyst
US 3214385 Reactivation of spent palladium-oncarbon hydrogenation catalyst
US 3650983 ALKALINE WASH REACTIVATION OF PALLADIUM CATALYSTS USED IN VINYL
ACETATE SYNTHESIS
US 3542863 PALLADIUM CATALYST TREATMENT WITH FORMIC ACID
US 3879311 Catalyst regeneration
US 3959382 Method for reactivating palladium catalysts
US 4092267 Process for regenerating palladium catalysts
US 4147660 Method for reactivation of platinum group metal catalyst with aqueous
alkaline and/or reducing solutions
US 4164481 Process of regenerating a noble metal catalyst used in the reduction
of organic nitro compounds
US 4190554 Method for reactivation of platinum group metal catalyst with aqueous
alkaline and/or reducing solutions
US 4260518 Process for the regeneration of metallic catalysts
US 4422954 Method to restore the metal content of a noble metal hydrogenation
catalyst
US 4717696 Regeneration of a supported palladium catalyst used in the conversion
of cyanohydrins to their aldoses
US 4891346 Redispersal of Ru, Os, Rh and Pd catalysts and processes therewith
US 4914256 Reactivation of partially deactivated catalyst employing ultrasonic
energy
US 4952543 Process for dispersing or redispersing a Group VIII noble metal
species on a porous inorganic support
US 4980324 Regeneration or activation of noble metal catalysts using
fluorohalocarbons or fluorohalohydrocarbons
US 4992614 Reactivation of partially deactivated catalyst employing ultrasonic
energy
US 4999326 Palladium catalyst reactivation
US 5068477 Process for reducing a refining catalyst and use of the catalyst in
hydrogenation
US 5573988 Catalyst regeneration process
US 6071843 Process for reactivating catalyst systems containing a platinum group
metal
US 6740615 Regeneration of used supported noble metal catalysts
US 6753285 Process for regenerating a used precious metal catalyst
US 6908873 Regeneration of spent supported metal catalysts
US 7368409 Regeneration method of heterogeneous catalysts and adsorbents
US 7622416 Hydrogenation catalyst, its preparation and use
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