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Open AccessArticle

N2O Decomposition over Cu–Zn/γ–Al2O3 Catalysts

Department of Chemical Engineering, Kunming Metallurgy College, Kunming 650033, China
Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
Liaoning Kelong Fine Chemical Co., Ltd., Liaoyang 111003, China
Author to whom correspondence should be addressed.
Academic Editors: Shaobin Wang and Xiaoguang Duan
Catalysts 2016, 6(12), 200;
Received: 20 November 2016 / Revised: 5 December 2016 / Accepted: 6 December 2016 / Published: 12 December 2016
(This article belongs to the Special Issue Heterogeneous Catalysis for Environmental Remediation)
Cu–Zn/γ–Al2O3 catalysts were prepared by the impregnation method. Catalytic activity was evaluated for N2O decomposition in a fixed bed reactor. The fresh and used catalysts were characterized by several techniques such as BET surface area, X-ray diffraction (XRD), and scanning electron microscopy (SEM). The Cu–Zn/γ–Al2O3 catalysts exhibit high activity and stability for N2O decomposition in mixtures simulating real gas from adipic acid production, containing N2O, O2, NO, CO2, and CO. Over the Cu–Zn/γ–Al2O3 catalysts, 100% of N2O conversion was obtained at about 601 °C at a gas hourly space velocity (GHSV) of 7200 h−1. Cu–Zn/γ–Al2O3 catalysts also exhibited considerably good durability, and no obvious activity loss was observed in the 100 h stability test. The Cu–Zn/γ–Al2O3 catalysts are promising for the abatement of this powerful greenhouse gas in the chemical industry, particularly in adipic acid production. View Full-Text
Keywords: N2O-decomposition; Cu–Zn/γ–Al2O3 catalysts; greenhouse gases; real industrial conditions N2O-decomposition; Cu–Zn/γ–Al2O3 catalysts; greenhouse gases; real industrial conditions
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Zhang, R.; Hua, C.; Wang, B.; Jiang, Y. N2O Decomposition over Cu–Zn/γ–Al2O3 Catalysts. Catalysts 2016, 6, 200.

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