Synthesis of copper pillared bentonite ferrioxalate catalyst for degradation of 4-nitrophenol in visible light assisted Fenton process

被引：52

作者：

Ayodele, O. B. ^{[1
]}

Hameed, B. H. ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Penang, Malaysia

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2013年 / 19卷 / 03期

关键词：

Bentonite; Copper pillaring; Visible light; pH adjustment; Mineralization; WASTE-WATER; OXIDATION; PHOTODEGRADATION; ADSORPTION; PEROXIDE; PHENOL; CLAYS; ACID; OXALATE;

D O I：

10.1016/j.jiec.2012.11.018

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Copper pillared bentonite catalyst (CuPBC) was developed from ferrioxalate complex and copper pillared bentonite (CuPB). The samples were characterized for physical and chemical properties. The CuPBC degraded 4-nitrophenol (4-NP) in a batch ultra violet and visible light assisted Fenton process with and without pH adjustments. The best experimental condition that achieved total degradation of 100 ppm of 4-NP was 20% excess H2O2, 2.0 g CuPBC at 40 degrees C in 6 min without pH adjustments. The CuPBC reusability study showed marginal drop of 4.4% in efficiency in the 5th round of experiment. These qualities made CuPBC promising for treating 4-NP pollutant. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：966 / 974

页数：9

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