Synthesis and catalytic properties of barium hexaaluminates incorporated with chromium and lanthanum期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Synthesis and catalytic properties of barium hexaaluminates incorporated with chromium and lanthanum

Authors:	Sang Gun Lee Hyun Lee Chang Hee Lee Jae Yul Kwon Hee Chan Park Seong Soo Hong Seong Soo Park

Affiliation:	(1) Department of Inorganic Materials Engineering, Pusan National University, Busan 609-735, Korea;(2) Department of Inorganic Materials Engineering, Pusan National University, Busan 609-735, Korea;(3) Department of Inorganic Materials Engineering, Pusan National University, Busan 609-735, Korea;(4) Department of Inorganic Materials Engineering, Pusan National University, Busan 609-735, Korea;(5) Department of Inorganic Materials Engineering, Pusan National University, Busan 609-735, Korea;(6) Division of Applied Chemical Engineering, Pukyong National University,, Busan 608-739, Korea;(7) Division of Applied Chemical Engineering, Pukyong National University,, Busan 608-739, Korea

Abstract:	Summary Barium hexaaluminates incorporated with chromium and lanthanum (Ba_1-_xLa_xCrAl₁₁O_19-_a) were synthesized from aqueous metal nitrates and sulfates through the precipitation, and then followed by crystallization at 1300^oC for 2 h. They had the ability to maintain heat resistance and high conversion of CH₄in methane combustion at elevated temperature.

Keywords:	catalytic activity surface area Hexaaluminate heat resistance
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