Patent application number | Description | Published |
20080223753 | METHOD FOR DESULFURIZING HYDROCARBON FRACTIONS FROM STEAM CRACKING EFFLUENTS - The present invention relates to a method for treating a feed corresponding to a pyrolysis gasoline, comprising:
| 09-18-2008 |
20090101545 | Method for Desulfurising Olefin Motor Gasoline - The invention concerns a process for producing gasoline with a low sulphur content and a controlled olefins content, comprising a step for oligomerizing an olefinic feed (step i), a step ii) consisting of mixing the branched olefinic gasoline produced in step i) with a gasoline rich in sulphur and olefins, a step iii) for hydrodesulphurization of said mixture, and separating the H | 04-23-2009 |
20100016645 | Process for hydrogenation of benzene - This invention relates to a process for hydrogenation of benzene contained in a catalytic reformate, in which:
| 01-21-2010 |
20100292517 | PRODUCTION OF VAPOUR-CRACKING LOADS WITH A HIGH YIELD OF THE RESULTING ETHYLENE, PROPYLENE AND POLYMERS BY HYDROPROCESSING OF VEGETABLE OILS - The invention describes a process for treatment of a feedstock that is obtained from a renewable source that comprises a hydrotreatment stage in the presence of at least one fixed-bed catalyst, whereby said catalyst comprises a hydro-dehydrogenating function and an amorphous substrate, at a temperature of between 50 and 450° C., at a pressure of between 1 MPa and 10 MPa, at an hourly volumetric flow rate of between 0.1 h−1 and 10 h−1, and in the presence of a total quantity of hydrogen that is mixed with the feedstock such that the hydrogen/feedstock ratio is between 50 and 1000 Nm3 of hydrogen/m3 of feedstock, followed by a separation from the hydrotreated effluent that is obtained from stage a) of hydrogen, gases, and at least one liquid hydrocarbon effluent that consists of at least 50% linear n-paraffins, and a steam-cracking of at least one portion of the liquid hydrocarbon effluent that is obtained from stage b). | 11-18-2010 |
20100292518 | TWO-STEP HYDROTREATMENT OF A FEED DERIVED FROM A RENEWABLE SOURCE USING A FIRST, METALLIC, CATALYST AND A SECOND, SULPHURIZED, CATALYST - The invention describes a two-step process for hydrotreatment of a feed derived from a renewable source, comprising:
| 11-18-2010 |
20100300932 | Process for the production of a hydrocarbon fraction with a high octane number and a low sulfur content - Process for the production of a hydrocarbon fraction with a high octane number and a low sulfur content from a hydrocarbon feedstock, comprising at least the following stages:
| 12-02-2010 |
20100307958 | PROCESS FOR THE PRODUCTION OF A DESULFURIZED GASOLINE FROM A GASOLINE FRACTION THAT CONTAINS CONVERSION GASOLINE - Production of gasolines with low sulfur contents from a starting gasoline containing sulfur-containing compounds comprising a stage a) for selective hydrogenation of non-aromatic polyunsaturated compounds present in the starting gasoline, a stage b) for increasing the molecular weight of the light sulfur-containing products that are initially present in the gasoline that enters this stage, a stage c) for alkylation of at least a portion of the sulfur-containing compounds present in the product that originates from stage b), a stage d) for fractionation of the gasoline that originates from stage c) into at least two fractions, one fraction virtually lacking in sulfur-containing compounds, whereby the other contains a larger proportion of sulfur-containing compounds (heavy gasoline), a stage e) for catalytic treatment of the heavy gasoline for transformation of sulfur-containing compounds under conditions for the at least partial decomposition of hydrogenation of these sulfur-containing compounds. | 12-09-2010 |
20110040136 | ELIMINATION OF CHLORINE COMPOUNDS FROM HYDROCARBON CUTS - The invention concerns a process for purification by elimination of chlorine in the form of hydrogen chloride and organochlorine compounds by contacting in the presence of hydrogen of at least a part of the effluent from a reforming, aromatics production, dehydrogenation, isomerisation or hydrogenation zone, said part of the effluent comprising olefins, hydrogen chloride and organochlorine compounds, on an elimination zone comprising a chain arrangement of two masses, the first mass being a mass comprising at least one metal from group VIII deposited on a mineral carrier and the second mass being a hydrogen chloride adsorbent. | 02-17-2011 |
20110114538 | PROCESS FOR THE PRODUCTION OF HIGH-QUALITY KEROSENE AND DIESEL FUELS FOR THE COPRODUCTION OF HYDROGEN FROM SATURATED LIGHT CUTS - Process mainly for the production of high-quality kerosene and diesel fuels and for the coproduction of hydrogen from a so-called light naphtha cut to which any quantity of LPG cut can be added, employing the following successive stages: dehydrogenation of the paraffins, oligomerization of the olefins and hydrogenation of the oligomerized olefins, the process permitting the production of kerosene and diesel fuels meeting market specifications, or even improved relative to the latter. | 05-19-2011 |
20110259792 | Process for selective reduction of the contents of benzene and light unsaturated compounds of different hydrocarbon fractions - Process for treatment of a feedstock, such as hydrocarbons that comprise at least 4 carbon atoms per molecule and that comprise at least one unsaturated compound including benzene, such that said feedstock is treated in a distillation zone, associated with a hydrogenation reaction zone, at least in part outside of the distillation zone, and an isomerization zone, so as to discharge—at the top of the distillation zone and at the bottom of the distillation zone—an effluent that is low in unsaturated compounds, whereby said process comprises the treatment of at least a second feedstock, comprising at least one unsaturated compound including benzene, at least partially directly injected into the hydrogenation zone that is outside of the distillation zone. | 10-27-2011 |
20120103867 | PROCESS FOR THE PRODUCTION OF KEROSENE AND DIESEL FUELS FROM LIGHT UNSATURATED FRACTIONS AND BTX-RICH AROMATIC FRACTIONS - Process for the production of kerosene and diesel fuels from a so-called light cracked naphtha fraction, to which can be added any quantity of an LPG fraction and a BTX-rich aromatic fraction and which uses a stage for oligomerization of olefins and alkylation of olefins on the aromatic compounds. | 05-03-2012 |