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Preparation and characterization of nickel–titanium composite xerogel catalyst for CO2 reforming of CH4

Paper ID Volume ID Publish Year Pages File Format Full-Text
48697 46518 2007 8 PDF Available
Title
Preparation and characterization of nickel–titanium composite xerogel catalyst for CO2 reforming of CH4
Abstract

The effects of the parameters of the sol–gel catalyst preparation such as hydrolysis ratio, acid/alkoxide ratio, and calcination temperature on surface area, porous structure, crystal structure and surface properties of nickel–titanium (Ni–Ti) composite xerogel catalyst were studied. The optimum hydrolysis ratio and acid/alkoxide ratio were determined under which conditions and 453 K calcination temperature, a Ni–Ti xerogel catalyst with a surface area of 426 m2/g was made. Increasing the calcination temperature would lead to dramatic decrease in surface area and collapse in porous structures. To compensate this deleterious effect, aluminum-containing compound was added into the precursor mixture in sol–gel preparation and the resultant Ni–Ti–Al composite xerogel catalyst had a significantly higher surface area even after undergoing a calcination temperature as high as 973 K. This xerogel catalyst showed comparably high activity for carbon dioxide reforming of methane where high temperature calcination is inevitable.

Keywords
Nickel; Titanium; Aluminum; Sol–gel; Xerogel; Composite; Catalyst; Dry reforming
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Preparation and characterization of nickel–titanium composite xerogel catalyst for CO2 reforming of CH4
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 73, Issues 1–2, 24 April 2007, Pages 158–165
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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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