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Differences and similarities of supported Ge–Pt/C catalysts prepared by conventional impregnation and controlled surface reactions

Paper ID Volume ID Publish Year Pages File Format Full-Text
52937 46892 2009 4 PDF Available
Title
Differences and similarities of supported Ge–Pt/C catalysts prepared by conventional impregnation and controlled surface reactions
Abstract

Two methods of modification of monometallic platinum catalyst supported on functionalized active carbon were used for the preparation of Ge–Pt/C bimetallic catalysts: (i) conventional impregnation (CI) and (ii) controlled surface reactions (CSRs). All results, namely the study of germanium anchoring reaction, two test reactions (cyclohexane dehydrogenation and cyclopentane hydrogenolysis), H2 and CO chemisorption, indicate that the modification of Pt with Ge using CSRs was highly selective, i.e., almost 100% of Ge introduced was anchored to platinum. On the other hand results showed that in catalysts prepared by CI method Ge was located mainly on the support.

Keywords
Tetraethylgermanium; Controlled surface reactions; Ge–Pt/C; Bimetallic catalysts; Cyclohexane dehydrogenation; Cyclopentane hydrogenolysis
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Differences and similarities of supported Ge–Pt/C catalysts prepared by conventional impregnation and controlled surface reactions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 5, 25 January 2009, Pages 490–493
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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