Petcoke Revalorization as Support for ZnO-based Photocatalyst

被引：6

作者：

Arcibar-Orozco, J. A. ^{[1
]}

Zili-Tomita, H. E. ^{[1
]}

Suarez-Toriello, V. A. ^{[2
]}

Saucedo-Lucero, J. O. ^{[1
]}

机构：

[1] CIATEC AC, Ctr Innovac Aplicada Tecnol Competit, Omega 201, Leon 37545, Gto, Mexico

[2] CONACYT CIATEC AC, Ctr Innovac Aplicada Tecnol Competit, Omega 201, Leon 37545, Gto, Mexico

来源：

WASTE AND BIOMASS VALORIZATION | 2022年 / 13卷 / 03期

关键词：

Petcoke; ZnO; Photocatalyst; Composite; Revalorization; METHYL-ORANGE DYE; PETROLEUM COKE; ORGANIC POLLUTANTS; ACTIVATED CARBONS; WASTE-WATER; DEGRADATION; ADSORPTION; NANOCOMPOSITE; GASIFICATION; ENHANCEMENT;

D O I：

10.1007/s12649-021-01585-w

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Petcoke is a residue from the petroleum oil industry which, due to its physicochemical characteristics and content of organic and inorganic material, can be exploited and revalued in order to be used to improve the photocatalytic properties of different semiconductors. With this in mind, the present work shows the evaluation of petcoke as a support material to ZnO to reduce organic pollutants in the aqueous phase. In order to synthesized the ZnO-petcoke composite, the petcoke was stabilized previously to its addition to the ZnO precursor solution. ZnO-petcoke composites were characterized with different spectrophotometric and physicochemical techniques and evaluated in the photodegradation reaction of methyl orange. The ZnO supported with petcoke thermally stabilized was the composite with the best degradation performance reaching a 30% higher removal efficiency than unsupported ZnO. The results indicated that it is possible to revalorize petcoke materials as carbon additives for improving the photocatalytic performance of semiconductors. Simple thermal annealing is enough for creating stable materials with improved pollutant removal capacities.

引用

页码：1681 / 1694

页数：14

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