Surface Hydration Effects on the Dehydration Activity of Gamma Alumina PDF Download
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Author: John Eugene Dabrowski
Publisher:
ISBN:
Category : Aluminum oxide
Languages : en
Pages : 193
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Author: John Eugene Dabrowski
Publisher:
ISBN:
Category : Aluminum oxide
Languages : en
Pages : 193
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 1188
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Author:
Publisher:
ISBN:
Category : Aluminum oxide
Languages : en
Pages : 140
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Book Description
In this study, gamma-Al[subscript 2]O[subscript 3] and amorphous AlPO[subscript 4] were synthesized and tested in methanol dehydration reaction. Both gamma-Al[subscript 2]O[subscript 3] and AlPO[subscript 4] catalysts showed increasing of activity when temperature direction during reaction test changed from step-up (150>200>250>300) to step-down (300>250>200>150). The effect of the presence of water product was studied by pretreatment of AlPO[subscript 4] catalyst with water various conditions. FT-IR and FT-Raman results indicated formation of P-OH group on the pretreated catalysts, which was one of intermediate for methanol dehydration. Amine titration also showed increasing of both strength and amount of acid sites on surface of the treated catalysts. The appropriate temperature on AlPO[subscript 4] catalyst was determined to be 200-250 degrees celsius for 10% mol of water in 5,300 h[superscript -1] GHSV for 15 minutes. On the other hand, the presence of water at 100 degrees celsius pretreatment became AlPO[subscript 4] poison which indicated by TGA and FT-Raman that physisorbed water could block the adsorption of methanol on catalyst active sites instead.
Author: Library of Congress. Copyright Office
Publisher: Copyright Office, Library of Congress
ISBN:
Category : Copyright
Languages : en
Pages : 1830
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Author:
Publisher: Royal Society of Chemistry
ISBN: 1849732779
Category : Technology & Engineering
Languages : en
Pages : 361
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Book Description
There is an increasing need to find cost-effective and environmentally sound methods of converting natural resources into fuels, chemicals and energy; catalysts are pivotal to such processes. Catalysis highlights major developments in this area. Coverage of this Specialist Periodical Report includes all major areas of heterogeneous catalysis. n each volume, specific areas of current interest are reviewed. Examples of topics include experimental methods, acid/base catalysis, materials synthesis, environmental catalysis, and syngas conversion.
Author: American Mathematical Society
Publisher:
ISBN:
Category : Mathematics
Languages : en
Pages : 1356
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Author: S. David Jackson
Publisher: John Wiley & Sons
ISBN: 3527626123
Category : Science
Languages : en
Pages : 887
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Book Description
With its two-volume structure, this handbook and ready reference allows for comprehensive coverage of both characterization and applications, while uniform editing throughout ensures that the structure remains consistent. The result is an up-to-date review of metal oxides in catalysis. The first volume covers a range of techniques that are used to characterize oxides, with each chapter written by an expert in the field. Volume 2 goes on to cover the use of metal oxides in catalytic reactions. For all chemists and engineers working in the field of heterogeneous catalysis.
Author:
Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 696
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1256
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Author:
Publisher: Academic Press
ISBN: 0080565131
Category : Technology & Engineering
Languages : en
Pages : 867
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Book Description
Advances in Catalysis
