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Selective catalytic reduction of NO with methane on γ-Ga2O3-Al2O3 solid solutions prepared by the glycothermal method

Paper ID Volume ID Publish Year Pages File Format Full-Text
49200 46564 2006 8 PDF Available
Title
Selective catalytic reduction of NO with methane on γ-Ga2O3-Al2O3 solid solutions prepared by the glycothermal method
Abstract

The γ-Ga2O3-Al2O3 solid solutions prepared by the glycothermal reaction of the mixtures of aluminum isopropoxide and gallium acetylacetonate had extremely high activities for selective catalytic reduction of NO with methane as a reducing agent (CH4-SCR). With the increase in the Al content incorporated in the spinel structure, the catalytic activity increased. The active sites for this reaction were concluded to be the tetrahedral Ga ions with octahedral Al ions in the next-nearest-neighbor sites. Methane activation on the catalysts was the key-step of CH4-SCR. The solid-solution catalysts showed high durability under steaming conditions.

Keywords
γ-Ga2O3-Al2O3 solid solution; Glycothermal method; Selective catalytic reduction; NO; CH4
First Page Preview
Selective catalytic reduction of NO with methane on γ-Ga2O3-Al2O3 solid solutions prepared by the glycothermal method
Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 65, Issues 1–2, 15 May 2006, Pages 142–149
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis