Zeolite catalysis in hydroprocessing technology

Maxwell, Ian E.

doi:10.1016/0920-5861(87)80006-8

Cited by 176 publications

(62 citation statements)

References 15 publications

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“…On the other hand, they are less selective to middle distillates, as their conversion into naphtha and gases is favored on the stronger acid sites [177]. Therefore, and from the point of view of maximizing middle distillates, it would be highly desirable to design hydrocracking catalysts that combine the good activity of the zeolite based catalysts with the high selectivity obtained with the amorphous silica-alumina.…”

Section: Hydrocrackingmentioning

confidence: 99%

Inorganic molecular sieves: Preparation, modification and industrial application in catalytic processes

Martı́nez

Corma

2011

Coordination Chemistry Reviews

624

395

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Section: Hydrocrackingmentioning

confidence: 99%

Inorganic molecular sieves: Preparation, modification and industrial application in catalytic processes

Martı́nez

Corma

2011

Coordination Chemistry Reviews

624

395

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“…sulfur environment, the relative hydrogenation activities could be classified as follow [36,38]: noble metals > sulfided transition metals. Moreover for sulfided catalysts, some sulfiding agent like dimethyl disulfide must be added during the process in order to keep the HD/DHD function in its sulfided form.…”

Section: Hydro/dehydrogenation (Hd/dhd) Functionmentioning

confidence: 99%

Fischer-Tropsch Waxes UpgradingviaHydrocracking and Selective Hydroisomerization

Bouchy

Hastoy

Guillon

et al. 2009

Oil & Gas Science and Technology - Rev. IFP

236

181

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Résumé -Valorisation des cires de Fischer-Tropsch par hydrocraquage et hydroisomérisation sélective -Ces dernières années, la production de coupes hydrocarbonées à partir de différentes sources par le procédé Fischer-Tropsch a connu un sensible regain d'intérêt. Les coupes hydrocarbonées paraffiniques produites par la réaction de Fischer-Tropsch peuvent être valorisées en base carburants (distillats moyens) ou éventuellement en base huiles de haute qualité. Dans chaque cas, cette étape de valorisation implique l'utilisation de catalyseurs bifonctionnels d'hydrocraquage, pour la production de carburants, ou d'hydroisomérisation sélective, pour la production de base huiles. Les deux types de catalyseurs sont constitués d'une fonction hydro/déshydrogénante et d'une fonction acide; cependant, selon l'application visée, la fonction acide doit respecter des critères sensiblement différents. Une rapide revue des mécanismes et catalyseurs d'hydrocraquage constitue la première partie de cet article. Une attention particulière est portée à la spécificité des charges paraffiniques issues du procédé Fischer-Tropsch comparativement à des charges plus conventionnelles ainsi qu'à l'impact potentiel des composés oxygénés présents dans ces charges sur les performances du catalyseur d'hydrocraquage. La seconde partie de cet article est consacrée aux mécanismes et catalyseurs d'hydroisomérisation sélective. Nous illustrons notamment comment la topologie de la porosité du solide acide constitue un paramètre clé pour gouverner la sélectivité du catalyseur d'hydroisomérisation sélective. Abstract -Fischer-Tropsch Waxes Upgrading via Hydrocracking and Selective Hydroisomerization -In recent years, the production of hydrocarbon cuts from various sources via the Fischer-Tropsch process has lived a renewed interest. Paraffinic cuts produced via the Fischer-Tropsch reaction can be upgraded either to liquid fuels (middle distillates) or to lubricant base oil of high quality. The first kind of upgrading involves the use of a hydrocracking catalyst whereas for the second kind of upgrading

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“…Their great importance is reflected in the amount of published literature on this subject (1)(2)(3). These catalysts are prepared in oxide form, although the active phase during the catalytic action is a sulfided one.…”

Section: Introductionmentioning

confidence: 99%

Chromia- and Chromium Sulfide-Pillared Clays: Preparation, Characterization, and Catalytic Activity for Thiophene Hydrodesulfurization

Sychev

Beer

Kodentsov

et al. 1997

Journal of Catalysis

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Zeolite catalysis in hydroprocessing technology

Cited by 176 publications

References 15 publications

Inorganic molecular sieves: Preparation, modification and industrial application in catalytic processes

Inorganic molecular sieves: Preparation, modification and industrial application in catalytic processes

Fischer-Tropsch Waxes UpgradingviaHydrocracking and Selective Hydroisomerization

Chromia- and Chromium Sulfide-Pillared Clays: Preparation, Characterization, and Catalytic Activity for Thiophene Hydrodesulfurization

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