Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Institut Francias Du Petrole

Jean-Francois Joly

Eric Benazzi

Jean-Louis Guth

Frederic Feugnet

Christian Marcilly

Jean-Charles Viltard

Fabio Alario

Philippe Caullet

Anne-Catherine Faust

Christine Travers

Nathalie Ferrer

Jean-Yves Bernhard

Denis Uzio

Jean-Marie Basset

Francis Raatz

Fabienne Le Peltier

Bernard Torck

Agnes Choplin

Joao Miguel Da Silva

Maria Filipa Gomes Ribeiro

Alain Forestiere

Jean-Francois Le Page

Thierry Gauthier

Charles Cameron

Germain J Martino

Catherine Laroche

Jean-Marie Deves

Alexandre Pagot

Julia Magne-Drisch

Elisabeth Merlen

Pierre Boucot

Jacques Alagy

Laurent Bournay

Anne-Claire Dubreuil

Paul Broutin

Alain Methivier

Renaud Pontier

Elsa Jolimaitre

G&eacute;rard Hotier

Henri Kessler

Michel Thery

Dominique Casanave

Herve Cauffriez

Nathalie Brunard

Frederic Chaigne

Jacques Baron

Frederic Kolenda

Adballah Merrouche

Fre/ De/ Chaigne

Olivler Clause

Luis Borges

Elsa Jolimaître

Device and process for converting a feedstock of aromatic compounds, in which the feedstock is notably treated using a fractionation train (-), a xylenes separating unit () and an isomerization unit (), and in which a pyrolysis unit () treats a second hydrocarbon-based feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, CO2 and H2; an RWGS reverse water gas shift reaction section () treats the pyrolysis gas and produces an RWGS gas enriched in CO and in water; a fermentation reaction section () treats the RWGS gas enriched in CO and in water and produces ethanol; and an aromatization reaction section () converts the ethanol into a mixture of aromatic and paraffinic compounds feeding the feedstock.

Production of aromatics by reverse water gas shift, fermentation and aromatization

Device and process for converting a feedstock of aromatic compounds, in which the feedstock is notably treated using a fractionation train (-), a xylenes separating unit () and an isomerization unit (), and in which a pyrolysis unit () treats a second hydrocarbon-based feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, CO2 and H2; a WGS water gas shift reaction section () suitable for treating the pyrolysis gas and for producing a WGS gas enriched in CO2 and in hydrogen; a CO2 aromatization reaction section () suitable for: at least partly treating the WGS gas to produce a hydrocarbon effluent comprising aromatic compounds, and feeding the feedstock with the hydrocarbon effluent.

Production of aromatics by pyrolysis, water gas shift and aromatization of CO2

Device and process for the conversion of a feedstock of aromatic compounds, in which the feedstock is treated notably by means of a fractionation train (-), a xylene separation unit () and an isomerization unit (), and in which a pyrolysis unit () treats a second hydrocarbon feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, COand H; a reverse water gas shift RWGS reaction section () treats the pyrolysis gas and produces an RWGS gas enriched in CO and in water; a fermentation reaction section () treats the RWGS gas enriched in CO and in water, to produce ethanol and recycle the ethanol to the inlet of the pyrolysis unit.

Production of aromatics by reverse water gas shift, fermentation and recycling to pyrolysis

Apparatus and process for converting aromatic compounds, comprising/using: a fractionating train (-) suitable for extracting at least one benzene-comprising fraction (), one toluene-comprising fraction () and one fraction () comprising xylenes and ethylbenzene from the feedstock (); a xylene separating unit () suitable for treating the fraction comprising xylenes and ethylbenzene and producing a para-xylene-comprising extract () and a raffinate () comprising ortho-xylene, meta-xylene and ethylbenzene; an isomerizing unit () for treating the raffinate and producing a para-xylene-enriched isomerizate (), which is sent to the fractionated train; and an alkylating reaction section () for treating at least part of the benzene-comprising fraction with an ethanol source () and producing an alkylation effluent () comprising ethylbenzene, which is sent to the isomerizing unit.

Apparatus and process for converting aromatic compounds by benzene alkylation with ethanol

A device and process for the conversion of aromatic compounds, includes/uses: a unit for the separation of the xylenes suitable for treating a cut comprising xylenes and ethylbenzene and producing an extract comprising para-xylene and a raffinate; an isomerization unit suitable for treating the raffinate and producing an isomerate enriched in para-xylene which is sent to a fractionation train; a pyrolysis unit suitable for treating biomass, producing a pyrolysis effluent feeding, at least partially, the feedstock, and producing a pyrolysis gas comprising CO and H; a Fischer-Tropsch synthesis reaction section suitable for treating, at least in part, the pyrolysis gas, producing a synthesis effluent sent, at least in part, to the pyrolysis unit.

Device and process for the production of aromatics from a biomass pyrolysis gas

Apparatus and process for converting aromatic compounds, comprising/using: a fractionating train (-) suitable for extracting at least one benzene-comprising fraction (), one toluene-comprising fraction () and one fraction () comprising xylenes and ethylbenzene from the feedstock (); a xylene separating unit () suitable for treating the fraction comprising xylenes and ethylbenzene and producing a para-xylene-comprising extract () and a raffinate () comprising ortho-xylene, meta-xylene and ethylbenzene; an isomerizing unit () for treating the raffinate and producing a para-xylene-enriched isomerizate (), which is sent to the fractionating train; and an alkylating reaction section () for treating at least part of the benzene-comprising fraction with an ethylene source () and producing an alkylation effluent () comprising ethylbenzene, which is sent to the isomerizing unit.

Apparatus and process for converting aromatic compounds by benzene alkylation with ethylene

The invention relates to a selective hydrogenolysis method for treating a feed rich in aromatic compounds having more than 8 carbon atoms, comprising transforming at least one alkyl group with at least two carbon atoms (ethyl, propyl, butyl, isopropyl, etc.) attached to a benzene ring into at least one methyl group. The invention also relates to the integration of the hydrogenolysis unit into an aromatic complex.

Method of hydrogenolysis for improved production of paraxylene

Process for the production of a RON isomerate that is at least equal to 80 and that contains less than 1% by weight of aromatic compounds and for co-production of an aromatic fraction that for the most part contains toluene, starting from a fraction with 7 carbon atoms containing paraffins, aromatic compounds and naphthenes.

Process for isomerization of a C7 fraction with co-production of an aromatic molecule-rich fraction

Process for recovery of hydrogen in an effluent that is rich in hydrocarbons and that also contains hydrogen and a light olefin fraction, whereby said process comprises:

Process for recovering hydrogen in a gaseous hydrocarbon effluent by chemical reaction

A process for the production of at least one isomer of xylenes comprising a simulated moving-bed adsorption ( ) of a C8-aromatic feedstock ( ) that delivers a paraxylene-rich fraction ( ) that is optionally purified after a distillation ( ) by at least one high-temperature crystallization ( ) and a fraction ( ) that is low in paraxylene is described. Fraction ( ) is distilled and then isomerized ( ) in the presence of an EUO-structural-type catalyst. The lightest hydrocarbons are removed from the isomerization effluent in a first distillation ( ) then naphthenes in a second distillation ( ), and distilled isomerization effluent ( ) that results therefrom is recycled at least in part in adsorption ( ). A mother liquor ( ) that results from the crystallization stage is recycled at least in part in adsorption ( ).

Process for the production of at least one isomer of xylenes that comprise an adsorption stage and an isomerization stage with an euo-structural-type catalyst

The invention is concerned with a catalyst comprising a matrix, a MFI type zeolite and at least one group VIII element, in which the crystals of the MFI type zeolite are desaluminated on their outer surface by at least one treatment with at least one solution of a fluorosilicate of a cation selected from the group formed by NH,, alkylammoniums, K,, Na,, Li,, Ba,, Mg,, Cd,, Cu,, Cu,, Ca,, Cs,, Fe,, Co,, Pb,, Mn,, Rb,, Ag,, Sr,, Zn,, Tl,and H,, the global desalumination rate of said MFI zeolite thus treated being less than 5 atomic per cent.

Catalyst with a base of modified MFI zeolite, and its use in the isomerization of a C8 aromatic cut

The invention is concerned with a catalyst comprising a matrix, a MFI type zeolite and at least one group VIII element, in which the crystals of the MFI type zeolite are desaluminated on their outer surface by at least one treatment with at least one solution of a fluorosilicate of a cation selected from the group formed by NH.sub.4.sup.+, alkylammoniums, K.sup.+, Na.sup.+, Li.sup.+, Ba.sup.2+, Mg.sup.2+, Cd.sup.2+, Cu.sup.+, Cu.sup.2+, Ca.sup.2+, Cs.sup.+, Fe.sup.2+, Co.sup.2+, Pb.sup.2+, Mn.sup.2+, Rb.sup.+, Ag.sup.+, Sr.sup.2+, Zn.sup.2+, Tl.sup.+ and H.sup.+, the global desalumination rate of said MFI zeolite thus treated being less than 5 atomic percent.

Catalyst with a base of modified MFI zeolite, and its use in the

The invention concerns the catalytic alkylation of at least one isoparaffin selected from the group formed by isobutane and isopentane in the presence of at least one olefin containing 3 to 6 carbon atoms per molecule, using a catalyst comprising 40% to 99% by weight of an acid selected from acids with formula R--SO.sub.3 H where R is fluorine or an alkyl group or a fluorinated alkyl group, R preferably being F or CF.sub.3, and more preferably CF.sub.3, and 1% to 60% by weight of a solvent selected from the group formed by sulpholane, dimethylsulphoxide and dioxanes, preferably sulpholane.

Aliphatic alkylation utilizing a liquid catalyst

The invention concerns a process for isomerising a feed containing essentially hydrocarbons, preferably paraffins containing principally 4 to 8, preferably princiapply to 6 and more principally 5 and/or 6 carbon atoms per molecule, comprising a fractionation zone and at least two isomersation reaction zones, said process comprising carrying out the following steps:

Paraffin isomerization process comprising fractionation having at least

The invention concerns a process for the alkylation of at least one isoaffin selected from the group formed by isobutane and isopentane by at least one olefin containing 2 to 6 carbon atoms per molecule in the presence of a liquid acid catalyst, the process comprising mixing a feed comprising the olefin to be converted with an effluent comprising a major portion of isoparaffin in a first mixing zone, and forming an emulsion of said catalyst in a hydrocarbon effluent comprising a major portion of isoparaffin in an emulsifying zone, said effluent constituting the continuous phase of the emulsion thus formed, then mixing a major portion of the emulsion of acid in hydrocarbon effluent with a major portion of the diluted feed comprising the olefin in a second mixing zone, followed by carrying out the majority of the reaction in a reaction zone which is supplied by the major portion of said mixture.

Reverse emulsion aliphatic alkylation process with catalyst-olefin

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Paris, France

Jean-Francois Joly