Preparation and Visible Light Denitrification Performance of Copper Oxide/Zinc Oxide/3A Molecular Sieve Photocatalyst

doi:10.11944/j.issn.1000-0518.2015.09.150075

Chinese Journal of Applied Chemistry ›› 2015, Vol. 32 ›› Issue (9): 1040-1047.DOI: 10.11944/j.issn.1000-0518.2015.09.150075

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Preparation and Visible Light Denitrification Performance of Copper Oxide/Zinc Oxide/3A Molecular Sieve Photocatalyst

CHEN Feng^a^e,HUANG Yingying^b,YAN Guiyang^a^c^d^e^*(),FAN Haimei^a^c^e,HUANG Renkun^a^c^e

^aDepartment of Chemistry,Ningde Normal University,Ningde,Fujian 352100,China
^bCollege of Chemistry and Chemical Engineering,Fujian Normal University,Fuzhou 350007,China
^cResearch Institute of Photocatalysis,State Key Laboratory of Photocatalysis on Energy and Environment,Fuzhou 350002,China
^dFujian Key Laboratory of Polymer Materials,Fuzhou 350007,China
^eDepartment of Chemistry,Fujian Province University Key Laboratory of Green Energy and Environment Catalysis,Ningde Normal University,Ningde,Fujian 352100,China

Received:2015-03-02 Accepted:2015-07-10 Published:2015-08-31 Online:2015-08-31
Contact: YAN Guiyang
Supported by:
Supported by the NSFC(No.21473096), the Ningde Normal University Projects on Serving the Western Coast to the TW Strait (No.2010H103), the Project of Fujian Province Communications Department(No.201323), the Project of Ningde Normal University(No.2014Y001)

Abstract

Abstract:

Copper oxide/zinc oxide/3A molecular sieve(CuO/ZnO/3A) photocatalyst was prepared by impregnation method and calcined in 450 ℃, and the structure of CuO/ZnO/3A was characterized by X-ray diffraction(XRD), UV-Vis diffuse reflectance spectroscopy(UV-Vis DRS), and X-ray photoelectron spectroscopy(XPS). Its photocatalytic denitrification behavior was studied by pyridine-n-octane system for simulated oil source of nitrogen under visible light irradiation. The influences of the preparation conditions of the photocatalyst, the amount of photocatalyst and the time of light irradiation on the photocatalytic denitrification performance were investigated. With the increase of the amount of metal oxide, photocatalytic activity of the complex increased at first and then decreased. The CuO/ZnO/3A composite photocatalyst calcined at 400 ℃ for 5 h with 9.8% mass fraction of zinc and 28.6% of copper enabled 74.78% denitrification of the simulated oil system, after a reaction under visible light of 50 mL solution containing 100 μg/g of pyridine for 150 min.

Key words: copper oxide/zinc oxide/3A molecular sieve, loaded amount, photocatalysis, denitrification, light absorption

CHEN Feng,HUANG Yingying,YAN Guiyang,FAN Haimei,HUANG Renkun. Preparation and Visible Light Denitrification Performance of Copper Oxide/Zinc Oxide/3A Molecular Sieve Photocatalyst[J]. Chinese Journal of Applied Chemistry, 2015, 32(9): 1040-1047.

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Preparation and Visible Light Denitrification Performance of Copper Oxide/Zinc Oxide/3A Molecular Sieve Photocatalyst

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