The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 30, 2003
Filed:
Apr. 30, 2001
Applicant:
Inventors:
Liying Xu, Beijing, CN;
Yunxian Zhu, Beijing, CN;
Yi Yue, Beijing, CN;
Lingke Kong, Beijing, CN;
Shusheng Gao, Beijing, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/372 ;
U.S. Cl.
CPC ...
B01J 2/372 ;
Abstract
A catalyst for selective hydrogenation, which comprises, on the basis of the total weight of catalyst, 1-30 wt % of copper as the first active component, 0.001-5 wt % of palladium as the second active component, 0.001-6 wt % of at least one metal selected from Ag, Pt, Pb, Mn, Co, Ni, Cr, Bi, Zr and Mo as cocatalyst, and the balance of at least one support selected from alumina, silica or titania. The present invention further relates to its preparation, its use in removal of alkynes from alkyne-enriched C cuts through selective hydrogenation and its regeneration.