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Fluid catalytic cracking V : materials and technological innovations
Başlık:
Fluid catalytic cracking V : materials and technological innovations
Yazar:
Occelli, Mario L., 1942-
ISBN:
9780444504753
9780080531717
Basım Bilgisi:
1st ed.
Yayın Bilgileri:
Amsterdam ; New York : Elsevier, 2001.
Fiziksel Tanımlama:
1 online resource (xii, 342 pages) : illustrations
Seri:
Studies in surface science and catalysis, 134
Studies in surface science and catalysis ; 134.
İçerik:
Selected Papers. Defect structure and acid catalysis of high silica, FAU-framework zeolites: effects of aluminum removal and of basic metal oxide addition (R.A. Beyerlein, G.B. McVicker). Effect of catalyst properties and feedstock composition on the evaluation of cracking catalysts (A.A. Lappas et al. ). Gasoline sulfur removal: kinetics of S compounds in FCC conditions (A. Corma et al. ). Optimum properties of RFCC catalysts (S.-I. Andersson, T. Myrstad). On the mechanism of formation of organized mesoporous silica that may be used as catalysts for FCC (R. Zana et al. ).
Özet:
Catalyst production for the transformation of crudes into gasoline and other fuel products is a billion dollar/year business and fluid cracking catalysts (FCCs) represent almost half of the refinery catalyst market. During the cracking reactions, the FCC surface is contaminated by metals (Ni, V, Fe, Cu, Na) and by coke deposition. As a result, the catalyst activity and product selectivity is reduced to unacceptable levels thus forcing refiners to replace part of the recirculating equilibrium FCC inventory with fresh FCC to compensate for losses in catalyst performance. About 1,100 tons/day of FCC are used worldwide in over 200 fluid cracking catalyst units (FCCUs). It is for these reasons that refiners' interest in FCC research has remained high through the years almost independantly, of crude oil prices. However, recent oil company mergers and the dissolution of research laboratories, have drastically decreased the number of researchers involved in petroleum refining research projects; as a result the emphasis of research has shifted from new materials to process improvements and this trend is clearly reflected in the type of papers contained in this volume. Modern spectroscopic techniques continue to be essential in the understanding of catalyst performance and several chapters in the book describe the use of 27Al, 29Si and 13C NMR to study variation in FCC acidity during aging and coke deposition. In addition several chapters have been dedicated to the modeling of FCC deactivation, and to the understanding of contact times on FCC performance. Refiners efforts to conform with environmental regulations are reflected in chapters dealing with sulfur removal, metals contaminants and olefin generation.
Elektronik Erişim:
ScienceDirect https://www.sciencedirect.com/science/book/9780444504753 ScienceDirect https://www.sciencedirect.com/science/bookseries/01672991/134Mevcut:*
Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
TP690.4 .F573 2001 EB | 1186040-1001 | Elsevier E-Kitap Koleksiyonu | Arıyor... |
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