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公开(公告)号：US3804777A
公开(公告)日：1974-04-16
申请号：US16538871
申请日：1971-07-22
Applicant: IT RESINE SPA SOC
Inventor： CANAVESI R , AGLIETTI G , CALCAGNO B
CPC classification number: B01J23/96 , Y10S502/516
Abstract: HYDROGENATION CATALYSTS POISONED BY LEAD, PARTICULARLY PALLADIUM ALUMINA CATALYSTS, ARE REGENERATED WITH DILUTE NITRIC OR ORTHOPHOSPHORIC ACID AT AMBIENT OR SLIGHTLY RAISED TEMPERATURES.
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