Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Eni S.p.a.

Other

Centre National De La Recherche Scientifique

Saudi Basic Industries Corporation

Ecole Nationale Superieure De Chimie De Rennes

Institut Fran&ccedil;ais Du P&eacute;trole

Francois Hugues

Dominique Commereuc

Yves Chauvin

Lucien Saussine

Helene Olivier

Pierre Galtier

Jean-Marc Schweitzer

Alain Forestiere

Marie-Claire Marion

Thierry Gauthier

Helene Olivier-Bourbigou

Fabrice Diehl

Marie Claire Marion

Jean-Christophe Viguie

Bertrand Jean Szymkowiak

Yves Glaize

Eric Caprani

Damien Douziech

Jean Pierre Burzynski

Michel Munier

Dominique Chretien

Vincent Coupard

Denis Uzio

Geoffrey Alan Ozin

Annick Pucci

Frederic Feugnet

Delphine Bazer-Bachi

Cristina Maretto

Daniel Vuillemot

Magalie Roy-Auberger

Hugues Dulot

Natacha Touchais

Nicolas Cadran

Marc Mauduit

Romain Roux

Giuseppe Belmonte

Raphael Huyghe

Jean Christophe Viguie

Daniel Cruypelinck

Willi Nastoll

Elsa Mignone

Mathieu Rouen

Tom Vivien

Emmanuel Pellier

Nhuong Le Quan

Mai Phuong Do

Georges Vidouta

Severine Forget

Frédéric Feugnet

Linda F Nazar

Adberrahim Taouli

Viguie Jean-Christophe

The invention concerns a process for the neutralization of a catalytic system for the oligomerization of olefins, said catalytic system comprising at least one halogenated derivative, characterized in that the reaction effluent is brought into contact with at least one nitrile compound.

Process for the neutralization of a catalytic system for the dimerization of olefins containing at least one halogenated derivative

The present invention describes a process for the conversion of a heavy feed which can be used to improve the selectivity for middle distillate. The process employs a catalytic cracking unit followed by one or more units for the oligomerization of C2 to C9 olefins which can preferentially produce an additional cut termed the middle distillate. The light portion of the oligomerate produced which cannot be incorporated into the middle distillate cut is recycled to the FCC unit for cracking into light olefins which are returned to the oligomerization units as a supplement to the olefins of the feed in order to preferentially form heavy oligomerates which can be incorporated into the middle distillate cut.

Process for converting a heavy feed into middle distillate

A process for the production of middle-distillate hydrocarbon-containing bases from a butanol feedstock, comprising: a) isomerizing dehydration of butanol feedstock; b) separating the water from butylenic effluent; c) purifying the organic liquid effluent from stage b); d) oligomerizing a feedstock that comprises at least a portion of the purified organic effluent from stage c), the entire effluent from stage g), and at least a portion of the light product from stage f); e) oligomerizing the first oligomerization effluent to produce a second oligomerization effluent; f) fractionating the second oligomerization effluent into at least three products: a light product mostly comprising Cto Ccompounds, an intermediate product mostly comprising Cto Ccompounds, and a middle distillate product mostly comprising compounds having at least 10 carbon atoms; g) oligomerizing at least a portion of the intermediate product, and h) hydrogenating at least a portion of the middle distillate product.

Process for the production of kerosene from butanols

This invention describes a process for metathesis of olefins from feedstocks obtained from the Fischer-Tropsch process, using as catalyst a ruthenium alkylidene complex comprising a saturated or unsaturated, dissymmetrical N-heterocyclic carbene (NHC) ligand.

Process for metathesis of olefins obtained from Fischer-Tropsch fractions using a ruthenium complex comprising a dissymmetrical N-heterocyclic diaminocarbene

The present invention describes a process for converting a heavy feed which is flexible for the production of propylene, gasoline and middle distillate. The process uses a catalytic cracking unit and a unit for the oligomerization of C4 to C9 olefins. The process of the invention includes selective hydrogenation of the unrefined gasoline cut obtained from the catalytic cracking unit and separation between a light gasoline cut and a heavy gasoline cut, the light gasoline being directed to the oligomerization unit.

Process for converting a heavy feed using a catalytic cracking unit and a step for selective hydrogenation of the gasoline obtained from catalytic cracking

The present invention relates to a method for the continuous production of hydrocarbons from synthesis gas in the presence of a catalyst comprising a synthesis step in which a synthesis gas is reacted in the presence of a catalyst in a Fischer-Tropsch synthesis reactor (),

Method for producing hydrocarbons with continuous charging of the catalyst

A method for continuous production of hydrocarbons from synthesis gas in the presence of a cobalt-based catalyst which comprises a step of providing synthesis gas from a source () of synthesis gas in a Fischer-Tropsch synthesis reactor (). The method also includes the following steps:

Process for production of hydrocarbons with catalyst conditioning

The device described in the present invention can separate fine solid particles in suspension in a viscous liquid, withdrawing a clear liquid from the top of the device, and a dense liquid charged with solid particles is withdrawn from the bottom. The invention also concerns the application of this device to the separation of catalyst particles in a liquid phase Fischer-Tropsch synthesis process.

Device for separating a finely divided solid in suspension in a viscous liquid

The invention concerns a method for optimizing the operation of a reaction section for hydrocarbon synthesis starting from a feed comprising synthesis gas, operated in the presence of a catalyst comprising cobalt. This method comprises the following steps: a) determining the theoretical molar ratio, P:P, in the reaction section; b) optionally, adjusting the ratio P:Pdetermined in step a) to a value strictly below 1; c) determining the new value for the theoretical ratio P:Pin the reaction section; and repeating steps a) to c) until the ratio of the partial pressures of water and hydrogen, P:P, has a value strictly less than 1.1.

Method for optimizing the operation of a unit for the synthesis of hydrocarbons from a synthesis gas

This present invention describes a novel type of internal exchanger intended to carry out Fischer-Tropsch synthesis. This exchanger has a modular design and comprises a central tube with partitions allowing at the same time the supply of coolant to the hairpins of the module and the recovery of the partially vaporized fluid from these same hairpins.

Internal exchanger for gas-liquid-solid reactor for fischer-tropsch synthesis

The present invention describes a novel type of internal exchanger for a gas-liquid-solid fluidized bed reactor employing a strongly thermal reaction. Said exchanger is modular in concept and comprises a central tube with separations allowing both supply of cooling fluid to the pins of the module and collection of partially vaporized fluid from said same pins.

Internal exchanger for gas-liquid-solid fluidized bed reactor employing a highly exothermic reaction

The subject of the invention is a process for the synthesis of hydrocarbons based on a synthesis gas type feedstock in which said synthesis gas is brought into contact with a catalyst in a reactor under Fischer-Tropsch synthesis conditions and in which the partial pressure of water is controlled in order to keep it below a critical value ppHO-defined by the formula: ppHOexp(&#x2212;7751/d&#xb7;T)&#xb7;P(T) where T is the reaction temperature in K, dis the average diameter of the catalyst pores in nm, determined by nitrogen adsorption-desorption (BJH method), P(T) is the saturating water vapour pressure at temperature T, in bar.

Process of Fischer-Tropsch synthesis by control of the partial pressure of water in the reaction zone

A process for temporarily interrupting a Fischer-Tropsch type reaction carried out on a feed comprising at least carbon monoxide and hydrogen is carried out in a three-phase reaction zone comprising a liquid phase, a gas phase and solid catalyst particles maintained in suspension, said process comprising a step a) for interrupting the reaction and a step b) for restarting said reaction, during which the solid catalyst particles are maintained in suspension in the reaction zone;

Method for temporarily interrupting a Fischer-Tropsch reaction in a three-phase bed reactor

A process for synthesising hydrocarbons by reacting a mixture comprising at least carbon monoxide and hydrogen in the presence of a catalyst is carried out in a three-phase reactor in which the liquid Peclet number is in the range 0 (excluded) to about 10, with a superficial gas velocity U that is preferably less than 35 cm.s , to encourage gas transfer into the liquid phase and avoid too much attrition of the catalyst grains.

Method for producing hydrocarbons from syngas in three-phase reactor

A process for converting hydrocarbons in the presence of a catalyst is described that is carried out in a three-phase reactor in which the liquid Peclet number is in the range 0 (excluded) to about 10, with a superficial gas velocity U that is preferably less than 35 cm.s , to encourage gas transfer into the liquid phase and avoid too much attrition of the catalyst grains.

Method for converting hydrocarbons in a three-phase reactor

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Vernaison, France

Francois Hugues