NDLI: Catalytic activity of Cu–Zn–Al–Mn admixed with gamma-alumina for the synthesis of DME from syngas: manganese effect or just method of preparation?

Content Provider	SpringerLink
Author	Palgunadi, Jelliarko Yati, Indri Jung, Kwang Deog
Copyright Year	2010
Abstract	A series of methanol synthesis catalysts, CuO/ZnO/Al$_{2}$O$_{3}$ and CuO/ZnO/Al$_{2}$O$_{3}$ containing 5 mol% of manganese physically admixed with γ-Al$_{2}$O$_{3}$ were tested for the direct synthesis of dimethyl ether from syngas. The catalysts were prepared by coprecipitation of the metal nitrates with several types of alkali carbonate solution. Aqueous solutions of Na$_{2}$CO$_{3}$, NaHCO$_{3}$/Na$_{2}$CO$_{3}$ buffer, and NaHCO$_{3}$ were used as the precipitating agents to investigate the effects of the preparation method on the microstructure of the precursors and on the physicochemical properties and reactivity of the resulting catalysts. It was found that the most responsible factor in determining the catalytic activity of the methanol synthesis catalyst is the preparation method rather than the incorporation of manganese as the structure modifier. There is a substantial correlation between the copper metal surface area and the activity of the catalyst derived from the structurally active precursor, hydrotalcite-like layered double hydroxides.
Starting Page	117
Ending Page	128
Page Count	12
File Format	PDF
ISSN	18785190
Journal	Reaction Kinetics and Catalysis Letters
Volume Number	101
Issue Number	1
e-ISSN	18785204
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-06-04
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Methanol Dimethyl ether Cu–Zn-based catalyst Syngas Preparation method Industrial Chemistry/Chemical Engineering Physical Chemistry Catalysis
Content Type	Text
Resource Type	Article
Subject	Catalysis Physical and Theoretical Chemistry

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