Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Other

Institute Francais Du Petrole

Agip Petroli

Marie-Claire Marion

Alain Forestiere

Jean-Charles Viltard

Philippe Travers

Vincent Coupard

Francois Hugues

Fabrice Diehl

Magalie Roy-Auberger

Jean-Luc Nocca

Karin Barthelet

Philibert Leflaive

Jean-Francois Le Page

Yves Chauvin

Patrick Euzen

Denis Uzio

Charles Cameron

Annick Pucci

Patrick Sarrazin

Jacques Alagy

Vincent Lecocq

Antoine Daudin

Hugues Dulot

Jean-Luc Duplan

Olivier Ducreux

Eric Lemaire

Elodie Devers

Nicolas Legagneux

Christophe Thille

Henri Delhomme

Jean-Marc Schweitzer

Joseph Lopez

Isabelle Harter

Ann Forret

Jeremy Gazarian

Jean-Philippe Heraud

Ugo Cornaro

John Lynch

Elsa Mignone

Sebastien Boucher

François Hugues

Andrea Tasso

Chiara Della Torre

H El Olivier

Magalie Roy

Eric Lemajre

Armand Barret

Francois Hughes

Claire Dumonteil

Goncalo Gaeiro

Sébastien Boucher

Andréa Tasso

The present invention relates to a mass for trapping silicon compounds, comprising a porous alumina-based support and at least one metal chosen from the metals from groups VIB and VIIIB, and exhibiting a grain density of at least 1.20 g/ml, a specific surface of at least 300 m/g and pores with a mean size of less than 6.5 nm, as determined by mercury porosimetry. The present invention also relates to a process for the preparation of said trapping mass and to a trapping process using said trapping mass.

Silicon trapping mass

The present invention relates to a process for trapping silicon compounds in a gaseous or liquid feedstock, comprising bringing the feedstock into contact with a trapping mass with a liquid hourly space velocity LHSV of less than 5 hor a gas hourly space velocity GHSV of less than 500 h.

Method for capturing silicon at low hourly space velocity

The invention of the current application is a process for eliminating arsenic from a hydrocarbon feed which is at least partially liquid, including steps a and b. Step a includes bringing the hydrocarbon feed and hydrogen into contact with a first capture mass including a support and at least one metal M1 from group VIB and at least two metals M2 and M3 from group VIII. Step b includes bringing the hydrocarbon feed and hydrogen into contact with a second capture mass in the sulphide form including a support and nickel, the quantity of nickel being at least 5% by weight of NiO with respect to the total weight of the second capture mass. Step a) is either carried out before step b) or carried out simultaneously with step b).

Process for eliminating arsenic from a hydrocarbon feed

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 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

A catalyst applicable to the synthesis gas conversions especially E-T slurry processes, said catalyst comprising: a) a support containing at least a first aluminate element of mixed spinel structure of formula MM'Al2O/Al2O3.SiO2, x ranging between and excluding 0 and 1, or of simple spinel structure of formula MAl2O4/Al2O3.SiO2, said support being calcined in an at least partly oxidizing atmosphere, at a temperature ranging between 850&#xb0; C. and 900&#xb0; C., and b) an active phase deposited on said support, which contains one or more group VIII metals, selected from among cobalt, nickel, ruthenium or iron. Said catalyst is used in a fixed bed or suspended in a three-phase reactor for hydrocarbon synthesis from a CO, Hmixture.

Cobalt-based catalyst for fischer-tropsch synthesis

A process for the production of liquid hydrocarbons by the Fischer-Tropsch process comprises a step a) for generating a synthesis gas, a step b) for Fischer-Tropsch synthesis, a step c) for condensing the gaseous effluent obtained during step b), a step d) for separating the effluent condensed during step c) to obtain a gaseous effluent enriched in carbon monoxide and hydrogen, and a step e) for recycling at least a portion of the enriched gaseous effluent obtained during step d) to the Fischer-Tropsch synthesis step b), characterized in that:

Fischer-Tropsch synthesis process with improved regulation

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

Process for the production of a diene in three successive stages from a tertiary alkyl ether

The invention relates to a process for preparing at least one aliphatic monoalcohol, generally in excess, and at least one olefin. The process is performed in a distillation and reaction device having a reaction section and a distillation-reaction section. The distillation-reaction section has a distillation zone with at least one means for circulation of the effluent from the reaction section to the distillation zone. Effluent from the reaction section is circulated to the distillation zone. The distillation-reaction section also has at least one distillation-reaction zone having at least one catalyst bed. The distillation-reaction zone is distinct from the distillation zone and provides at least partly the reflux of the distillation zone. The distillation-reaction section can also have at least one complementary reaction zone containing at least one catalyst bed.

Reaction and distillation device and etherification process

A process for synthesising hydrocarbons from synthesis gas in the presence of a catalyst essentially constituted by a Raney metal alloy dispersed in a liquid phase is described in which the catalyst comprises at least 60% by weight of at least one metal selected from metals from groups 8, 9 and 10, and optionally at least one additional element selected from alkali metals and metals from groups 4, 5, 6, 7, 8, 9, 10 and 11.

Process for synthesizing hydrocarbons from synthesis gas in the presence of a raney metal alloy disperded in a liquid phase

The invention relates to a hydrocarbon synthesis process in the presence of a catalyst that comprises a substrate, at least one metal of group VIII that comprises metal particles, preferably cobalt, characterized in that the group VIII metal particles of the catalyst are deposited on the substrate in the form of aggregates.

Process for converting synthesis gas in the presence of a catalyst based on a group VIII metal, whereby the metal particles are dispersed in the form of aggregates

The invention relates to a distillation and reaction device having a reaction section and a distillation-reaction section. The distillation-reaction section has a distillation zone with at least one device for circulation of the effluent from the reaction section to the distillation zone. Effluent from the reaction section is circulated to the distillation zone. The distillation-reaction section also has at least one distillation-reaction zone having at least one catalyst bed. The distillation-reaction zone is distinct from the distillation zone and provides at least partly the reflux of the distillation zone. The distillation-reaction section can also have at least one complementary reaction zone containing at least one catalyst bed. The invention further relates to a process for preparing at least one aliphatic monoalcohol, generally in excess, and at least one olefin.

Reaction and distillation device

A process for producing an ether and an olefin from a hydrocarbon cut containing at least one tertiary olefin, comprises synthesis of at least one tertiary alkyl ether then fractionation to obtain an organic fraction (E1) which is enriched in the tertiary alkyl ether which is decomposed into a product containing at least one alcohol and at least one tertiary olefin, which is purified in a water washing extraction zone (L1) to obtain an aqueous fraction (A1) containing the major portion of the alcohol and a fraction (B1) containing the major portion of the tertiary olefin, at least a portion of fraction (B1) being sent to a separation zone (Co1) from which an aqueous liquid fraction (La1) and a liquid fraction (Lb1) containing the major portion of the tertiary olefin are recovered.

Process for producing an ether and an olefin from a hydrocarbon cut

A process for producing a tertiary olefin by decomposing a tertiary alkyl ether comprises a) decomposing at least one ether to a product containing an alcohol and a tertiary olefin, b) fractionating at least a portion of the product from a) in a fractionation zone (C1) to obtain the tertiary olefin and the alcohol, c) purifying at least a portion of the tertiary olefin obtained from step b) wherein said portion is sent to a water washing extraction zone (L1) from which a fraction (D) containing the tertiary olefin is recovered, and d) a step in which at least a portion of the fraction (D) from c) is sent to a separation zone (Co) from which a liquid aqueous fraction (Le) and a liquid hydrocarbon fraction (Lc) containing the major portion of the tertiary olefin are recovered.

Process for producing a tertiary olefin by decomposing a tertiary alkyl

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Villeurbanne, France

Marie-Claire Marion