Diffuse Reflectance Fourier Transform Infrared Spectroscopy and Transient Studies of Oxidative Coupling of Methane Over Li/MgO Catalyst PDF Download
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Author: Soujanya Chidanand Bhumkar
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 284
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Author: Soujanya Chidanand Bhumkar
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 284
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Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1461524539
Category : Science
Languages : en
Pages : 391
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the though that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemi nation. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 37 (thesis year 1992) a total of 12,549 thesis titles from 25 Canadian and 153 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 37 reports theses submitted in 1992, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Author: Chunlei Shi
Publisher:
ISBN:
Category :
Languages : en
Pages : 324
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Author: W. H. Shafer
Publisher: Springer Science & Business Media
ISBN: 9780306447112
Category : Education
Languages : en
Pages : 410
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Book Description
Volume 37 (thesis year 1992) reports a total of 12,549 thesis titles from 25 Canadian and 153 US universities (theses submitted in previous years but only now reported are indicated by the thesis year shown in parenthesis). The organization, like that of past years, consists of thesis titles arrange
Author: Gerrie Christine Hoogendam
Publisher:
ISBN: 9789090092676
Category :
Languages : en
Pages : 126
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Author: American Chemical Society. Committee on Professional Training
Publisher:
ISBN: 9780841227231
Category : Science
Languages : en
Pages : 1700
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Author: Saeed M. S. Al-Zahrani
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 554
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![In Situ Infared [i.e. Infrared] Studies of Catalytic Partial Oxidation PDF](https://books.google.com/books/content/images/frontcover/IC58AQAACAAJ?fife=w80-h100)
Author: Chundi Cao
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Catalytic partial oxidation (CPO) has received considerable interest recently both as a way to utilize remote natural gas resources and to provide H[subscript]2 for a fuel cell. Studies on the reactions at lower temperatures and transient conditions were performed, which can provide insights on the mechanism of CPO at high reactions, particularly on the role of the chemical and physical state of the noble metal catalyst. In this work, ignition of methane CPO on Pt/Al[subscript]2O[subscript]3 and Rh/Al[subscript]2O[subscript]3 catalysts and methanol CPO on Pt/Al[subscript]2O[subscript]3 catalysts were studied using in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). The ignition mechanism study of CH4 on Pt/Al[subscript]2O[subscript]3 showed that oxygen mainly covers the surface until ignition. Competition between the two reactants is assumed. The heat of adsorption of oxygen is a key factor for ignition of the methane partial oxidation reaction on Pt/Al[subscript]2O[subscript]3. The ignition mechanism on Rh/Al[subscript]2O[subscript]3 was found to be different from Pt/Al[subscript]2O[subscript]3. The oxidation state of the catalyst changed significantly as the temperature was raised towards the ignition. An oxidized rhodium state, Rh[superscript]n+, progressively formed as the temperature was increased while Rh[superscript]0 decreased. In addition, a greater amount of Rh[supercript]n+ was found when the oxygen concentration in the feed was higher. From these results, it is hypothesized that ignition of methane CPO on Rh/Al[subscript]2O[subscript]3 is related to the accumulation of the Rh[superscript]n+ state. Dissociation adsorption of methanol occurs on both Al2O3 and Pt/Al[subscript]2O[subscript]3. It is suggested that formate was one of the important intermediates in the reaction pathway. Oxygen species play a key role in the formation of formate on the catalysts, and it also affects the product composition. Formate mainly decomposed into CO, which is the dominant source for CO[subscript]2 production in the reactions at higher temperatures.
Author: Hiroshi Yamamoto
Publisher:
ISBN:
Category : Methane
Languages : en
Pages : 222
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Author: Dan Li (M.S.)
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 198
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