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Catalysts 2016, 6(12), 200; doi:10.3390/catal6120200

N2O Decomposition over Cu–Zn/γ–Al2O3 Catalysts

1
Department of Chemical Engineering, Kunming Metallurgy College, Kunming 650033, China
2
Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
3
Liaoning Kelong Fine Chemical Co., Ltd., Liaoyang 111003, China
*
Author to whom correspondence should be addressed.
Academic Editors: Shaobin Wang and Xiaoguang Duan
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)
View Full-Text   |   Download PDF [4888 KB, uploaded 12 December 2016]   |  

Abstract

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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