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CO2 reforming of methane over Ni/Sm2O3–CaO catalyst prepared by a sol–gel technique

Paper ID Volume ID Publish Year Pages File Format Full-Text
52706 46882 2007 7 PDF Available
Title
CO2 reforming of methane over Ni/Sm2O3–CaO catalyst prepared by a sol–gel technique
Abstract

A sol–gel method was employed to prepare Ni/CaO, Ni/Sm2O3 and a series of Ni/Sm2O3–CaO catalysts dispersed uniformly. The catalytic performance in CO2/CH4 reforming and the physicochemical properties were investigated by means of GC, BET, XRD, TG/DTA and HRTEM techniques, respectively. Under the condition of an atmospheric pressure at 700 °C and a GHSV of 4.8 × 104 ml/h/gcat, the conversion of CH4 and CO2 over 10% Ni/Sm2O3–CaO (1:4) catalyst were 60% and 63%, respectively, the selectivity of H2 and CO were 85% and 95%, significantly higher than those over Ni/CaO and Ni/Sm2O3 due to high dispersion of Ni nanometer particles and interfacial effect of support in 10% Ni/Sm2O3–CaO.

Keywords
A sol–gel method; Sm2O3–CaO support; CO2/CH4 reforming; HRTEM; Nickel nanometer particles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 4, April 2007, Pages 661–667
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us