Effect of Al and Ce on Zr-Pillared Bentonite and Their Performance in Catalytic Oxidation of Phenol

被引：5

作者：

Mnasri-Ghnimi, Saida ^{[1
]}

Frini-Srasra, Najoua ^{[1
,2
]}

机构：

[1] Ctr Natl Rech Sci Mat, Lab Physicochim Mat Mineraux & Leur Applicat, Technopole Borj Cedria,BP 95, Hammam Lif 2050, Tunisia

[2] Fac Sci Tunis, Dept Chem, Tunis 1060, Tunisia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2016年 / 90卷 / 09期

关键词：

pillared clays; heterogeneous catalysis; catalytic oxidation in water; phenol; hydrogen peroxide; WET PEROXIDE OXIDATION; INTERLAYERED CLAYS; HYDROGEN-PEROXIDE; FE; MONTMORILLONITE; ALUMINUM; POLYCATIONS; ULTRASOUND; REDUCTION; ZIRCONIUM;

D O I：

10.1134/S0036024416090272

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：

Catalysts based on pillared clays with Zr and/or Al and Ce-Zr and/or Al polycations have been synthesized from a Tunisian bentonite and tested in catalytic oxidation of phenol at 298 K. The Zr-pillared clay showed higher activity than the Al-one in phenol oxidation. Mixed Zr-Al pillars lead to an enhancement of the catalytic activity due to the modification of the zirconium properties. The clays modified with Ce showed high conversions of phenol and TOC thus showing to be very selective towards the formation of CO2 and H2O.

引用

页码：1766 / 1773

页数：8

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