Abstract: 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.

Abstract: The invention concerns a purge/sampling system for vessels, particularly for high temperature, high pressure vessels such as hydroconversion reactors used in refinery processes and operated in severe conditions. Such purge/sampling system comprises a purge/sampling line (16) equipped with a connector designed to be connected to the vessel (10), a first (18 and a second (20) flow regulation systems mounted in series on the purge/sampling line, wherein at least one injection line (22) is connected to the purge/sampling line between the first and the second flow regulation systems, said injection line comprising connecting means to a source of cleaning fluid (24) and at least one flow regulation device to control the flow of cleaning fluid through injection line and purge/sampling line The invention also concerns a vessel equipped with such a purge/sampling system, as well as a cleaning method using said purge/sampling system.

Abstract: The present invention provides tools and methods for producing organic acids using strains of Monascus which are tolerant to high organicacid concentrations at low pH.

Abstract: The invention relates to a method for preparing a hydroconversion catalyst based on mesoporous silica or silica-alumina, comprising the following steps: (A) deposition of alumina on a mesoporous material having interconnected pores by treatment with at least one aluminium-based reactant, so as to obtain a compound having a Si/Al ratio of between 0.1 and 1000; (B) addition of at least one catalytically active species chosen from the group formed by the metals of group VIII and/or of group VIB; and (C) drying followed by thermal and/or chemical treatment according to the invention. The invention also relates to the catalyst thus obtained as well as a method of hydroconverting (hydrocracking, hydroisomerizing) a hydrocarbon feedstock, which comprises bringing the feedstock to be treated into contact with the hydroconversion catalyst according to the invention.

Abstract: The invention relates to a process for preparing a hydroconversion catalyst based on modified zeolite Y, comprising the steps of: A—preparation of a modified zeolite Y, whose intracrystalline structure presents at least one network of micropores, at least one network of small mesopores with a mean diameter of 2 to 5 nm and at least one network of large mesopores with a mean diameter of 10 to 50 nm, these various networks being interconnected; B—mixing the zeolite with a binder, shaping the mixture and then calcining; C—introducing at least one catalytic metal chosen from metals of group VIII and/or of group VIB, followed by calcination. The invention also relates to a catalyst obtained via this process and also to the use thereof.

Abstract: Process for the fluidized-bed catalytic cracking of a weakly coking feedstock having a Conradson carbon residue equal to or less than 0.1% by weight and a hydrogen content equal to or greater than 12.7% by weight, comprising at least a step of cracking the feedstock, a step of separating/stripping the effluents from the coked catalyst particles and a step of regenerating said particles, the process being characterized in that at least one coking, carbonaceous and/or hydrocarbonaceous effluent having a content of aromatic compounds of greater than 50% by weight, comprising more than 20% by weight of polyaromatic compounds, is recycled to homogeneously distributed and weakly coked catalyst, before regeneration, in order to adjust the delta coke of the process.

Abstract: Formulated propellants and methods of forming the same are described herein. The formulated propellants include a hydrocarbon fluid, wherein the formulated propellant exhibits a distillation curve 10% point at a temperature between 365° F. (185° C.) and 410° F. (210° C.) and an end point at or below 525° F. (273° C.).

Abstract: The present invention provides tools and methods for producing organic acids using strains of Monascus which are tolerant to high organic acid concentrations at low pH.

Abstract: A grease composition includes at least one mineral-based or synthetic-based oil, individually or in a mixture; at least one fatty acid simple or complex metal soap as thickener; at least one molybdenum dithiocarbamate; and graphite. The grease can be used for constant velocity joints of a motor vehicle transmission.

Abstract: Process and device for measuring the conversion of mercaptans to disulfides, in which the progress of the reaction for producing disulfides is monitored by measuring the redox potential.

Abstract: The present invention relates to a multi staged cracking and stripping process that can be used in a fluidized-bed catalytic cracking process or FCC (fluidized catalytic cracking) process for maximizing the production of olefins, that is to say of C3 and C4 olefins, in particular propylene and distillates. One subject of the present invention is therefore a multi-staged process for cracking and stripping a fluidized mixture of hydrocarbons and of coked catalyst particles, integrated into a conventional fluidized-bed catalytic cracking process comprising at least one cracking step and one stripping step after separation of the particles of coked catalyst from the cracked effluent during the disengaging/stripping step, characterized in that it comprises at least two steps of cracking at least one hydrocarbonaceous fluid over the separated coked catalyst particles followed by at least two steps of stripping these particles, each cracking step preceding a stripping step.

Abstract: The invention deals with a method for preparing a nitrogen-depleted hydrocarbon feedstock (315, 412, 514, 614, 714, 718, 814, 822) having (i) an initial boiling point comprised between 0° C. and +180° C. and a final boiling point comprised between 30° C. and 250° C., and (ii) an olefin content higher than 5 weight %, by contacting a hydrocarbon feedstock starting material (310, 313, 410, 411, 510, 512, 610, 612, 710, 712, 713, 810, 812, 813) with a clay sorbent material in a reaction vessel (33,43,53,63,73,73,83,83), wherein the nitrogen-depleted hydrocarbon feedstock (315, 412, 514, 614, 714, 718, 814, 822) has a total nitrogen/nitrile ratio (ppm/ppm) comprised between 1 and 5. Additional purification section allows improved units working time and lower maintenance.

Abstract: A grease composition includes: at least one mineral-based, synthetic-based, or natural-based oil, a thickener predominantly consisting of at least one simple or complex aluminium soap; at least one molybdenum dithiocarbamate; and graphite. The grease can be used for the lubrication of open systems.

Abstract: The present invention relates to a process for the production of fuel additives in which in a first step isobutanol is subjected to a simultaneous dehydration and skeletal isomerisation to make substantially corresponding olefins, having the same number of carbons and consisting essentially of a mixture of n-butenes and iso-butene and in a second step the butene mixture is subjected to etherification, said process comprising: a) introducing in at least one reactor a stream (A) comprising at least 40 wt % isobutanol, optionally an inert component, b) contacting said stream with at least one catalyst in said reactor(s) at conditions effective to simultaneously dehydrate and skeletal isomerise at least a portion of the isobutanol to make a mixture of n-butenes and iso-butene, c) removing the inert component if any, recovering from said reactor(s) a stream (B) comprising a mixture of n-butenes and iso-butene, d) sending the stream (B) to at least one etherification reactor and contacting stream (B) with at lea

Abstract: Modified alkylphenol-aldehyde resins include one or more alkylamines, having preferably at least one primary amine type group as well as their use for improving the flow properties of motor fuels and hydrocarbon fuels, such as in particular jet fuel, gas oil, fuel oil domestic, heavy fuel oil.

Abstract: The invention relates to a method and a device for controlling the production of a mixture of components, especially a mixture with premix dead volumes. The method and the device according to the invention ensure multivariable regulation feedback by a dynamic observer providing an estimate in real time of the properties of the components of the mixture, said estimate being sufficient to guarantee the effectiveness of the feedback loop. Thus, the desired properties of the mixture are guaranteed despite large uncertainties in the properties of the components on the one hand, and partial knowledge of the mixing process on the other.

Abstract: The invention relates to a process for hydrodeoxygenation (HDO) of pyrolysis oil and also to a process for upgrading of pyrolysis oil implementing said HDO process, and also to processing of the aqueous phase resulting from the HDO by steam pre-reforming and then steam reforming.

Abstract: The invention relates to a light-weight device for loading solid particles into an enclosure including at least one pipe (18, 20) for the circulation of said solid particles and at least one movable element for controlling the fall velocity of the particles, which is designed to be slidably moved inside of said pipe (18, 20). The device further includes a plurality of identical guide plates (12a, 12b) connected to each other by attachment means. Said at least one pipe (18, 20) is made of a flexible material and each guide plate (12a, 12b) has at least one through opening for receiving and guiding said at least one pipe (18, 20) in a position in which the longitudinal axis of the pipe extends substantially perpendicular to the plane of each guide plate.

Abstract: The invention relates to a method for the catalytic hydrotreatment of a load based on a diesel fuel oil and a biological load based on plant oils and/or animal fats in a hydrotreatment unit. The invention is characterized in that the hydrotreatment unit comprises at least one hydrotreatment reactor operating on a countercurrent. The invention also relates to a hydrotreatment unit for implementing said method, and a corresponding hydrorefining unit.

Abstract: Lubricant compositions include: (a) one or more polyalkylene glycol base oils obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms, include at least one butylene oxide and (b) at least one detergent chosen from salicylates or phenates. The present disclosure also relates to: 1) use of a lubricant composition as engine oil, preferably as oil for the engines of petrol or diesel motor vehicles; 2) use of a group of additives for an engine lubricant comprising polyalkylene glycol bases obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms; and 3) use of at least one additive chosen from salicylates, phenates, dithiocarbamates, amine-based or phenol-based antioxidants, preferably from salicylates or phenates, for reducing the Noack volatility of the base oils of polyalkylene glycol type, obtained from alkylene oxides comprising from 3 to 8 carbon atoms.