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Highly efficient metal catalysts supported on activated carbon cloths: A catalytic application for the hydrogenation of d-glucose to d-sorbitol

Paper ID Volume ID Publish Year Pages File Format Full-Text
43348 45965 2007 5 PDF Available
Title
Highly efficient metal catalysts supported on activated carbon cloths: A catalytic application for the hydrogenation of d-glucose to d-sorbitol
Abstract

An activated carbon cloth (ACC) was prepared by pyrolysis under nitrogen. The ACC presents a very high surface area and a very narrow micropore size distribution which remained stable upon subsequent treatments. The microporous ACC was oxidized and loaded with platinum metal by cationic exchange. Electron microscopy revealed that the metal particles were homogeneously distributed inside the carbon fibers in the form of 2–3 nm diameter particles. Hydrogen and carbon monoxide adsorption were used to determine the dispersion of the metal species and was found to be 14%. Pt/ACC catalysts exhibited a high activity in d-glucose hydrogenation and gave higher yields in d-sorbitol (>99.5%) than Pt/C catalysts prepared from carbon powder or extrudates.

Graphical abstractAn activated carbon cloth (ACC) was prepared by pyrolysis. The ACC presents very thermostable textural properties. The microporous ACC was oxidized and loaded with platinum metal by cationic exchange. Pt/ACC catalysts exhibited a high activity in glucose hydrogenation and gave very high yields in sorbitol (>99.5%). Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Catalysis; Cloth; Dispersion; Exchange; d-Glucose; Hydrogenation; Platinum; TEM
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Highly efficient metal catalysts supported on activated carbon cloths: A catalytic application for the hydrogenation of d-glucose to d-sorbitol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 331, 2007, Pages 100–104
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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