AXENS Patent applications |
Patent application number | Title | Published |
20160107954 | PROCESS FOR THE ISOMERIZATION OF C5/C6 HYDROCARBON CUTS WITH CHLORINATED COMPOUND RECYCLING - A process for the isomerization of a feed of hydrocarbon compounds containing C | 04-21-2016 |
20160075955 | PROCESS FOR HYDROGENATION OF A HYDROCARBON FEEDSTOCK COMPRISING AROMATIC COMPOUNDS - Process for hydrogenation of aromatic compounds in a feedstock comprising hydrocarbons having at least five carbon atoms, comprising:
| 03-17-2016 |
20150336023 | METHOD FOR RECOVERING LOW-TEMPERATURE HEAT AND APPLICATION OF THE METHOD TO AN AROMATICS COMPLEX - The present invention relates to a method for recovering heat available at low temperature in a process and its use in order to reduce the energy consumption of the said process. Application of the method to an aromatics complex in which the low-temperature heat is recovered at the head of distillation columns in the form of low-pressure steam and is reused to reboil other distillation columns in which the operating pressure has possibly been lowered. | 11-26-2015 |
20150315493 | PROCESS FOR THE PRODUCTION OF WHITE OILS MEETING THE CFR STANDARD FROM WASTE OILS - The present invention describes a process for the production of technical white oils or edible or medicinal oils from waste oils originating from industrial use or engine use, said process using a deep hydrotreatment. | 11-05-2015 |
20150275112 | IMPROVED PROCESS FOR THE CONVERSION OF A FEED CONTAINING BIOMASS FOR THE PRODUCTION OF HYDROCARBONS, BY FISCHER-TROPSCH SYNTHESIS - The present invention concerns an integrated process for the production of liquid hydrocarbons starting from a feed containing at least one fraction of biomass and optionally at least one fraction of another feed, said process comprising at least one pre-treatment step, a gasification step, a step for conditioning synthesis gas, a water scrubbing step, a step for eliminating acid gases, a final purification step, and a catalytic Fischer-Tropsch synthesis reaction step. | 10-01-2015 |
20150175906 | METHOD FOR OPTIMISING THE PRODUCTION OF DISTILLATES COMPRISING A CATALYTIC CRACKING STEP - Method for optimising the production of middle distillate in a refinery, comprising at least one catalytic cracking unit ( | 06-25-2015 |
20150065765 | PROCESS FOR PURIFYING A HYDROCARBON FEED - A process for purifying a hydrocarbon feed, using a first adsorption unit with first and second adsorption columns respectively filled with first and second adsorbent solids by simultaneously:
| 03-05-2015 |
20140368810 | ANALYSIS DEVICE AND ASSOCIATED METHOD FOR OPERATING SIMULATED MOVING BED XYLENES SEPARATION UNITS A RAMAN SPECTROMETER - The present invention describes an analysis device and a method associated with this device, said device comprising an analysis cell ( | 12-18-2014 |
20140360919 | FLUID DISTRIBUTION DEVICE - The invention concerns a fluid distribution device ( | 12-11-2014 |
20140316173 | PROCESS FOR PRODUCING JET FUEL FROM A HYDROCARBON SYNTHESIS PRODUCT STREAM - A process for producing jet fuel comprising the following steps:
| 10-23-2014 |
20140088332 | PROCESS FOR THE PRODUCTION OF 1,3-BUTADIENE IMPLEMENTING THE OLIGOMERIZATION OF ETHYLENE AND THE DEHYDROGENATION OF THE BUTENES THAT ARE OBTAINED - This invention describes a process for the production of 1,3-butadiene from ethylene implementing a stage for oligomerization of ethylene into n-butenes and into oligomers with 6 carbon atoms and more by homogeneous catalysis, a stage for separation in such a way as to obtain an n-butene-enriched fraction, and then a stage for dehydrogenation of said n-butene-enriched fraction. | 03-27-2014 |
20140027349 | REACTOR FOR CONTINUOUS CATALYST REGENERATION WITH A PERFORATED BOX FOR MIXING AND DISTRIBUTING GASES IN THE OXYCHLORINATION ZONE - A reactor allowing continuous regeneration of catalyst grains having a chamber with an oxychlorination zone superposed on a calcination zone equipped with a pipe for introducing calcination gas and at least one pipe for injecting oxychlorination gas emptying into the inner space. Each gas passage has a gas evacuation device that is permeable to gas and impermeable to catalyst grains. | 01-30-2014 |
20140027348 | CONTINUOUS CATALYST REGENERATION REACTOR WITH A CHAMBER FOR MIXING GAS AND DISTRIBUTING GAS IN THE OXYCHLORINATION ZONE - A reactor for regenerating catalyst grains comprises a vessel having an oxychlorination zone superimposed over a calcining zone having a line for introducing gas. A chamber, disposed between oxychlorination and calcining zones, comprises an internal space located between two plates which are gas tight and impervious to catalyst grains. A plurality of tubes pass through the chamber to allow catalyst to pass from oxychlorination zone to calcining zone. A plurality of means pass through the chamber to allow calcining gas to pass from calcining zone to oxychlorination zone. At least one oxychlorination gas injection line opens into the internal space of the chamber. Each means for passage of calcining gas comprises at least one orifice communicating with the chamber internal space, and a means for evacuating gas which is permeable to gas and impermeable to catalyst grains. | 01-30-2014 |
20130327682 | METHOD FOR CONVERTING HYDROCARBON FEEDSTOCK COMPRISING A SHALE OIL BY DECONTAMINATION, HYDROCONVERSION IN AN EBULLATING BED, AND FRACTIONATION BY ATMOSPHERIC DISTILLATION - Method and plant for converting hydrocarbon feedstock comprising a shale oil, comprising a step of decontaminating, a step of hydroconverting in an ebullating bed, a step of fractionating into a light fraction, a naphtha fraction, a gas-oil fraction and a fraction heavier than the gas-oil fraction, the naphtha and gas-oil fractions being hydrotreated, the fraction heavier than the gas-oil fraction being conveyed to the decontaminating step. The method aims to maximize the yield of fuel bases. | 12-12-2013 |
20130319911 | METHOD FOR CONVERTING HYDROCARBON FEEDSTOCK COMPRISING A SHALE OIL BY HYDROCONVERSION IN AN EBULLATING BED, FRACTIONATION BY ATMOSPHERIC DISTILLATION AND LIQUID/LIQUID EXTRACTION OF THE HEAVY FRACTION - Method for converting hydrocarbon feedstock comprising a shale oil, comprising a step of hydroconverting in an ebullating bed, a step of fractionating by atmospheric distillation into a light fraction, a naphtha fraction, a gas-oil fraction and a fraction heavier than the gas-oil fraction, a step of liquid/liquid extraction of the fraction heavier than the gas-oil fraction, and a dedicated hydrotreating for each of the naphtha and gas-oil fractions. The method aims to maximize the yield of fuel bases. | 12-05-2013 |
20130319908 | METHOD FOR CONVERTING HYDROCARBON FEEDSTOCK COMPRISING A SHALE OIL BY HYDROCONVERSION IN AN EBULLATING BED, FRACTIONATION BY ATMOSPHERIC DISTILLATION AND HYDROCRACKING - Method and plant for converting hydrocarbon feedstock comprising a shale oil, comprising a step of hydroconverting in an ebullating bed, a fractionation into a light fraction, a naphtha fraction, a gas-oil fraction and a fraction heavier than gas-oil, the naphtha and gas oil fraction being hydrotreated, the fraction heavier than gas oil being hydrocracked, the products of the hydrocracking being sent to the step for hydrotreating. The method aims to maximize the yield of fuel bases. | 12-05-2013 |
20130225897 | PROCESS FOR ELIMINATION OF MERCURY CONTAINED IN A HYDROCARBON FEED WITH HYDROGEN RECYCLING - Elimination of mercury contained in a hydrocarbon feed by:
| 08-29-2013 |
20120103873 | PROCEDE D'HYDROTRAITEMENT ET/OU D'HYDROCRAQUAGE DE CHARGES AZOTEES AVEC STRIPAGE A L'HYDROGENE - The invention relates to a process for hydrotreatment and/or hydrocracking of nitrogen feedstocks in which a portion of the hydrotreated and/or hydrocracked effluent is recycled to the hydrotreatment and/or hydrocracking stage after having been subjected to stripping with hydrogen or any other inert gas. | 05-03-2012 |