A History of Fischer-Tropsch Wax Upgrading at BP—from Catalyst Screening Studies to Full Scale Demonstration in Alaska

Collins, John P.; Freide, Joep J. H. M. Font; Nay, Barry

doi:10.1016/s1003-9953(06)60001-7

Cited by 33 publications

(15 citation statements)

References 4 publications

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“…In the rather scarcely published findings about middle distillates production via LTFT waxes hydrocracking, various acidic solids have been used to formulate hydrocracking catalysts, including: -amorphous silica-alumina [41,52], -MoO 3 modified amorphous silica-alumina [53], -silicated alumina [40,54], -anion modified (tungstated, sulfated) zirconia [55], -tungstated zirconia and sulfated zirconia mixtures [56], -tungstated zirconia and zeolites (Y, beta, mordenite) mixtures [56], -microcrystalline USY zeolite [57], -microcrystalline USY zeolite and silica-alumina mixtures [58], -polyoxocation-pillared montmorillonite [59], -chlorinated alumina [60].…”

Section: Acidic 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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Section: Acidic 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

View full text Add to dashboard Cite

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“…The current cobalt catalyzed low temperature slurry FT technologies are aimed at the synthesis of waxes, which are subsequently hydrocracked to produce high quality isomerized MD (Dry, 2002). Besides the increase in MD yields, the hydrocracking reaction leads also to the formation of iso-paraffins which have a heavy influence on both cold flow properties and cetane number (Calemma et al, 2005b;Collins et al, 2006;Dry, 2002;Germaine and Wedlock, 2004;Jess et al, 1999;Kaufmann et al, 2000;O'Rear, 2005).…”

Section: Introductionmentioning

confidence: 95%

Modelling of hydrocracking with vapour–liquid equilibrium

Pellegrini

Gamba

Calemma

et al. 2008

Chemical Engineering Science

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“…In order to ensure the operat ing reliability and thermal stability of the reactor and the preset composition of the reaction products, it is neces sary to solve a number of technological problems, and this will determine the design of the reactor zone. Today there are two types of industrial Fischer-Tropsch reac tors [1,3].…”

Section: Introductionmentioning

confidence: 99%

“…(1) Profile of the microchannel (2,3). Profiles of the liquid film at a mean diameter of d p = 0.648 mm and α FT = 0.87:(2) = 5000 cm 3 /(g h); (3) = 15 000 cm 3 /(g h).…”

mentioning

confidence: 99%

Simulation of fluid dynamics in a microchannel Fischer-Tropsch reactor

Деревич

Ermolaev

Мордкович

et al. 2012

Theor Found Chem Eng

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Fluid dynamics in a microchannel of a new generation Fischer-Tropsch reactor for artificial petroleum synthesis is reported. Liquid and gaseous product downflows are modeled in the annular flow approximation. The conjugate flow of gaseous and liquid products is investigated in terms of integral momen tum balance equations with capillary effects and microchannel wall roughness taken into consideration. A simulation procedure appropriate for the method of deposition of catalyst particles onto the inner wall is sug gested for modeling a random inner surface of the microchannel. The simulation procedure takes into account the variation of the synthesis product composition and the variation of the thermal properties of the liquid and gas phases along the microchannel length. A stable computational procedure has been devised for calculating fluid dynamic parameters of the two phase flow. The effects of the synthesis gas flow rate and con version, microchannel diameter, chain propagation constant, temperature, and pressure on the two phase flow parameters and on the aerodynamic resistance of the gas have been investigated.

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A History of Fischer-Tropsch Wax Upgrading at BP—from Catalyst Screening Studies to Full Scale Demonstration in Alaska

Cited by 33 publications

References 4 publications

Fischer-Tropsch Waxes UpgradingviaHydrocracking and Selective Hydroisomerization

Fischer-Tropsch Waxes UpgradingviaHydrocracking and Selective Hydroisomerization

Modelling of hydrocracking with vapour–liquid equilibrium

Simulation of fluid dynamics in a microchannel Fischer-Tropsch reactor

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