Zr-modified hierarchical mordenite as heterogeneous catalyst for glycerol esterification

被引：45

作者：

Popova, Margarita ^{[1
]}

Lazarova, Hristina ^{[1
]}

Kalvachev, Yuri ^{[2
]}

Todorova, Totka ^{[2
]}

Szegedi, Agnes ^{[3
]}

Shestakova, Pavletta ^{[1
]}

Mali, Gregor ^{[4
]}

Dasireddy, Venkata D. B. C. ^{[4
]}

Likozar, Blaz ^{[4
]}

机构：

[1] Bulgarian Acad Sci, Inst Organ Chem Ctr Phytochem, Sofia 1113, Bulgaria

[2] Bulgarian Acad Sci, Inst Mineral & Crystallog, Sofia 1113, Bulgaria

[3] Hungarian Acad Sci, Res Ctr Nat Sci, Inst Mat & Environm Chem, H-1117 Budapest, Hungary

[4] Natl Inst Chem, Ljubljana 1001, Slovenia

来源：

CATALYSIS COMMUNICATIONS | 2017年 / 100卷

关键词：

Renewable glycerol esters; Biodiesel production waste; Hierarchical zeolite materials; Bio-based chemicals conversion; Chemical reaction engineering; SELECTIVE ESTERIFICATION; ACID; ACETYLATION; CONVERSION; CHEMICALS; BIOMASS; ZEOLITES; ESTERS;

D O I：

10.1016/j.catcom.2017.06.009

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：

Hierarchical mordenite catalysts were prepared by HF and NH4F etching. Materials' zirconia modification was performed by incipient wetness impregnation in order to vary surface acidity type and strength. XRD, N-2 physisorption, solid-state NMR and UV-Vis spectroscopies were applied for characterization. Acidic properties of the obtained materials were investigated by TPD of adsorbed ammonia and FT-IR spectra of adsorbed pyridine. Catalytic performance was studied for the glycerol esterification with acetic acid. Zr increased reaction turnover activity compared to raw zeolite substrate due to abundant Bronsted and Lewis moiety presence. The demonstrated biomass valorization processes to bio-based platform chemicals are of interest, as they employ biodiesel production waste.

引用

页码：10 / 14

页数：5

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