NDLI: Preparation of Cu/ZnO/Al$_{2}$O$_{3}$ catalysts in a solvent-free routine for CO hydrogenation

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Preparation of Cu/ZnO/Al$_{2}$O$_{3}$ catalysts in a solvent-free routine for CO hydrogenation

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Preparation of Cu/ZnO/Al$_{2}$O$_{3}$ catalysts in a solvent-free routine for CO hydrogenation

Content Provider	Springer Nature Link
Author	Lei, Hong Nie, Ren feng Fei, Jin hua Hou, Zhao yin
Copyright Year	2012
Abstract	The synthesis of methanol and dimethyl ether (DME) from CO hydrogenation has been investigated on Cu-based catalysts. A series of Cu/ZnO/Al$_{2}$O$_{3}$ catalysts were prepared using a solvent-free routine which involved a direct blend of copper/zinc/aluminum salts and citric acid, followed by calcination at 450 °C. The calcination processes were monitored using thermogravimetry differential scanning calorimetry (TG-DSC). Catalysts were further characterized using N$_{2}$ adsorption, scanning electronic microscopy (SEM), X-ray diffraction (XRD), N$_{2}$O oxidation followed by H$_{2}$ titration, and temperature-programmed reduction with H$_{2}$ (H$_{2}$-TPR). The reduction processes were also monitored with in-situ XRD. The physicochemical properties of catalysts depended strongly on the types of precursor salts, and catalysts prepared using Al acetate and Cu nitrate as starting materials had a larger surface area, larger exposed metallic copper surface area, and lower reduction temperature. The CO hydrogenation performances of these catalysts were compared and discussed in terms of their structures. Catalysts prepared with copper nitrate, zinc and aluminum acetates exhibited the highest catalytic activity.
Starting Page	395
Ending Page	406
Page Count	12
File Format	PDF
ISSN	1673565X
Journal	Journal of Zhejiang University SCIENCE A
Volume Number	13
Issue Number	5
e-ISSN	18621775
Language	English
Publisher	SP Zhejiang University Press
Publisher Date	2012-05-03
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cu/ZnO/Al$_{2}$O$_{3}$ catalyst Solvent-free routine CO hydrogenation Methanol Dimethyl ether Civil Engineering Classical Continuum Physics Mechanical Engineering Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering

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Al 2 O 3 Effect on the Catalytic Activity of Cu-ZnO-Al 2 O 3-SiO 2 Catalysts for Dimethyl Ether Synthesis from CO 2 Hydrogenation

Preparation of Cu/ZnO/Al$_{2}$O$_{3}$ catalyst under microwave irradiation for slurry methanol synthesis

Effects of space velocity on methanol synthesis from Co$_{2}$/Co/H$_{2}$ over Cu/ZnO/Al$_{2}$O$_{3}$ catalyst

Dry gel assisting crystallization of bifunctional CuO-ZnO-Al 2 O 3 /SiO 2 -Al 2 O 3 catalysts for CO 2 Hydrogenation

Methanol synthesis from CO$_{2}$ hydrogenation over copper based catalysts

Effect of Zr and pH in the preparation of Cu/ZnO catalysts for the methanol synthesis by CO$_{2}$ hydrogenation

The role of the acidity of alumina prepared by aluminum-carbon black composite for CO hydrogenation to dimethyl ether on hybrid Cu–ZnO–Al$_{2}$O$_{3}$/alumina

Enhanced Direct Dimethyl Ether Synthesis from $CO_{2}$-Rich Syngas with $Cu/ZnO/ZrO_{2}$ Catalysts Prepared by Continuous Co-Precipitation

Effect of water on liquid phase DME synthesis from syngas over hybrid catalysts composed of Cu/ZnO/Al$_{2}$O$_{3}$ and γ-Al$_{2}$O$_{3}$

Preparation of Cu/ZnO/Al$_{2}$O$_{3}$ catalysts in a solvent-free routine for CO hydrogenation

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Preparation of Cu/ZnO/Al$_{2}$O$_{3}$ catalysts in a solvent-free routine for CO hydrogenation