Synthesis of ordered mesoporous Mg-Al composite oxide-supported potassium catalysts for biodiesel production

被引:6
|
作者
Pan, Dahai [1 ]
Liu, Tonglian [1 ]
Yu, Feng [1 ]
Chen, Shuwei [1 ]
Yan, Xiaoliang [1 ]
Shi, Xiufeng [1 ]
Fan, Binbin [1 ]
Li, Ruifeng [1 ]
机构
[1] Taiyuan Univ Technol, Coll Chem & Chem Engn, Taiyuan 030024, Shanxi, Peoples R China
基金
中国国家自然科学基金; 山西省青年科学基金;
关键词
Solid basic catalysts; Porous materials; Nanocomposites; Transesterification; Biodiesel; HETEROGENEOUS CATALYSTS; FACILE SYNTHESIS; ALUMINA; TRANSESTERIFICATION;
D O I
10.1016/j.catcom.2018.08.014
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Ordered mesoporous Mg-Al composite oxide-supported K catalysts (xK/OMMA) were prepared and used for soybean oil transesterification with methanol. The prepared xK/OMMA demonstrated a much higher soybean oil conversion (up to 97.0%) along with a 99.8% selectivity to fatty acid methyl ester and a desirable reusability, compared with K-based catalysts prepared with the same K loading and using ordered mesoporous alumina or mesoporous Mg-Al mixed oxide as support. The superior catalytic performance of xK/OMMA is associated with the excellent structural and surface properties of support OMMA, thus benefiting the generation of catalytically active sites and their highly homogenous dispersion.
引用
收藏
页码:76 / 80
页数:5
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