Ifp Energies Nouvelles

Isabelle Merdrignac

Wilfried Weiss

Jerome Majcher

Jeremie Barbier

Ann Cloupet

Frederic Feugnet

Antoine Daudin

Frederic Morel

Alain Quignard

Jean-Francois Le Coz

Jan Verstraete

Ann Forret

Mathieu Digne

Frédéric Feugnet

Jérémie Barbier

A subject matter of the invention is a process for the hydrotreating of a hydrocarbon feedstock having a distillation range of between 150° C. and 600° C., so as to obtain a hydrotreated effluent, said process comprising the following stages:

Hydrotreating process using a sequence of catalyst with a catalyst based on nickel, molybdenum and tungsten

The present invention relates to a process for producing olefins from a hydrocarbon feedstockhaving a sulfur content of at least 0.1 weight %, an initial boiling point of at least 180° C. and a final boiling point of at least 600° C.

Process for the preparation of olefins, comprising de-asphalting, hydrocracking and steam cracking

Process for the preparation of olefins, involving de-asphalting, hydroconversion, hydrocracking and steam cracking

Between 40% and 75% by weight of a first bitumen base B1 an asphalt obtained by a solvent deasphalting of a first vacuum residue R1 resulting from the distillation of an effluent hydroconverted by a process for the ebullated bed hydroconversion of a heavy hydrocarbon feedstock, and

Bitumens comprising unconventional bitumen bases

The present invention relates to a process for producing olefins from a hydrocarbon feedstockwith a sulfur content of at least 0.1 weight %, an initial boiling point of at least 180° C. and a final boiling point of at least 600° C.

Process for the preparation of olefins, comprising hydrotreatment, de-asphalting, hydrocracking and steam cracking

The invention concerns a process for converting a hydrocarbon feed, said process comprising the following steps: a) a step of hydrocracking the feed in the presence of hydrogen; b) a step of separating the effluent obtained from step a); c) a step of precipitating sediments, in which the heavy fraction obtained from the separation step b) is brought into contact with a distillate cut at least 20% by weight of which has a boiling point of 100&#xb0; C. or more for a period of less than 500 minutes, at a temperature in the range 25&#xb0; C. to 350&#xb0; C., and at a pressure of less than 20 MPa; d) a step of physical separation of the sediments from the heavy fraction obtained from step c); e) a step of recovering a heavy fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.

Method for converting feedstocks comprising a hydrocracking step, a precipitation step and a sediment separation step, in order to produce fuel oils

The invention concerns a process for the treatment of a hydrocarbon feed, said process comprising the following steps: a) a hydrotreatment step, in which the hydrocarbon feed and hydrogen are brought into contact over a hydrotreatment catalyst, b) an optional step of separating the effluent obtained from the hydrotreatment step a), c) a step of hydrocracking at least a portion of the effluent obtained from step a) or at least a portion of the heavy fraction obtained from step b), d) a step of separating the effluent obtained from step c), e) a step of precipitating sediments, f) a step of physical separation of the sediments from the heavy liquid fraction obtained from step e), g) a step of recovering a liquid hydrocarbon fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.

Method for converting feedstocks comprising a hydrotreatment step, a hydrocracking step, a precipitation step and a sediment separation step, in order to produce fuel oils

The present invention describes a process for the production of fuel of the heavy fuel oil type, this fuel optionally being able to become a marine fuel, from a heavy hydrocarbon-containing feedstock having a sulphur content of at least 0.5% by weight, an initial boiling temperature of at least 350&#xb0; C. and a final boiling temperature of at least 450&#xb0; C., a process using a fixed-bed hydrotreatment stage, an intermediate separation and a hydrocracking stage comprising at least one reactor of the hybrid type.

Process for the production of fuels of heavy fuel type from a heavy hydrocarbon-containing feedstock using a separation between the hydrotreatment stage and the hydrocracking stage

A process for refining a heavy hydrocarbon feedstock containing a) at least two stages of deasphalting in series to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil, and at least one fraction of light deasphalted oil, at least one of the stages of deasphalting by a mixture of at least one polar solvent and at least one apolar solvent, the stages of deasphalting being implemented under the subcritical conditions of the mixture of solvents, b) a stage of hydrotreatment of at least a part of the fraction of heavy deasphalted oil, in the presence of hydrogen, c) a stage of catalytic cracking of at least a part of the fraction of light deasphalted oil, alone or in a mixture with at least a part of the effluent originating from stage b).

Process for refining a heavy hydrocarbon-containing feedstock implementing a selective cascade deasphalting

Process for converting a heavy hydrocarbon feedstock with initial boiling point of at least 300&#xb0; C. comprising: a) hydroconverting at least part of said feedstock; b) separating the effluent from stage a) to obtain light and heavy liquid fractions; c) at least two stages of deasphalting in series at least part of the heavy liquid fraction originating from stage b), allowing to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil (heavy DAO) and at least one fraction of light deasphalted oil (light DAO), at least one deasphalting stage being carried out using a mixture of at least one polar solvent and at least one apolar solvent, said deasphalting stages being under subcritical conditions of the mixture of solvents; d) recycling at least part of said heavy deasphalted oil cut from stage c) upstream of hydroconverting a) and/or of the inlet of separating b).

Process for the conversion of a heavy hydrocarbon feedstock integrating selective cascade deasphalting with recycling of a deasphalted cut

The invention concerns a process for refining a heavy hydrocarbon feed, comprising the following steps: a) a step for selective deasphalting of the heavy hydrocarbon feed by single-step liquid/liquid extraction in an extraction medium, said extraction being carried out using a mixture of at least one polar solvent and at least one apolar solvent, in order to obtain an asphalt phase and a deasphalted oil phase DAO, the proportions of said polar solvent and said apolar solvent in the solvent mixture being adjusted as a function of the properties of the feed and the desired asphalt yield, said deasphalting step being carried out under subcritical conditions for the solvent mixture;b) a step for hydrotreatment of at least a portion of the deasphalted oil phase DAO obtained from step a);c) optionally, a step for catalytic cracking of at least a portion of the effluent obtained from step b).

Process for refining a heavy hydrocarbon feed using a selective deasphalting step

The invention relates to a process for refining a heavy feedstock of the vacuum residue type. Selective deasphalting of the feedstock is conducted in a single-stage liquid/liquid extraction in an extractant. Extraction is carried out by means of a mixture of at least one polar solvent and at least one apolar solvent, to obtain an asphalt phase and a deasphalted oil (DAO) phase. The proportions of polar solvent and apolar solvent in the solvent mixture are adjusted according to properties of the feedstock, desired yield of asphalt and/or desired quality of the DAO. Deasphalting is implemented under subcritical conditions. At least a part of the DAO is subjected to hydrotreatment. At least a part of the effluent originating from the hydrotreatment is subjected to catalytic cracking in at least one fluidized-bed reactor under conditions allowing a gasoline fraction and/or a light olefins fraction to be produced.

Process for refining a hydrocarbon feedstock of the vacuum residue type using selective deasphalting, a hydrotreatment and a conversion of the vacuum residue for production of gasoline and light olefins

Treating a hydrocarbon feed having a sulphur content of at least 0.5% by weight, an asphaltenes content of at least 1% by weight, an initial boiling point of at least 340&#xb0; C. and a final boiling point of at least 480&#xb0; C., in order to obtain at least one deasphalted oil fraction with a sulphur content of 0.5% by weight or less and a sediment content of 0.1% by weight or less.

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Chaponnay, France

Isabelle Merdrignac