Abstract: A method of processing a crude oil feedstock may include: separating the crude oil feedstock to produce: a first feed fraction comprising hydrocarbons having a boiling point of greater than 350° C., a second feed fraction comprising hydrocarbons having a boiling point of greater than or equal to 160° C. and less than or equal to 350° C., and a third feed fraction comprising hydrocarbons having a boiling point of less than 160° C.; cracking the first feed fraction in a first downflow reaction zone of a fluid catalytic cracking (FCC) unit; cracking the second feed fraction in a second downflow reaction zone of the FCC unit; fractionating an effluent from the FCC unit to produce an FCC mixed C4 stream; and processing the third feed fraction and saturated C4 hydrocarbons from the FCC mixed C4 stream in a cracking unit to produce light olefins.

Abstract: The present invention relates to a process for the in situ regeneration of a hydroconversion catalyst. The invention also relates to a hydroconversion process comprising said regeneration process. The invention also relates to a system comprising a reaction section (40) comprising a hydroconversion reactor operating as an ebullating bed or as a moving bed; a regeneration section comprising a regeneration device (100); means for transfer of the hydroconversion catalyst between said reaction section (40) and said regeneration section comprising at least one fluidic connection; means for charging said regeneration device (100) as a fluidized bed or as a moving bed.

Abstract: A process for preparing middle distillates from an olefinic feedstock, by a) oligomerization fed with the olefinic feedstock, a first recycle and a second recycle, and operated in the presence of at least one oligomerization catalyst, to produce a reaction effluent containing dimers, trimers and oligomers; b) fractionating the reaction effluent into: a light fraction containing at least part of the unconverted olefinic feedstock; an intermediate fraction containing at least part of the dimers and trimers; and a heavy fraction containing the oligomers; c) recycling by the preparation of a first recycle containing at least part of the light fraction; and a second recycle containing at least part of the intermediate fraction; and transfer of the first recycle and the second recycle to step a); d) hydrogenating at least part of the heavy fraction.

Abstract: The present invention concerns a kerosene base comprising at least 60.0 weight % of a mixture composed of C3n hydrocarbons and C4n hydrocarbons, where n is a natural integer chosen from 3 and 4, at least 80 weight % of the total weight of the kerosene base being isoparaffins, said kerosene base having excellent low-temperature properties. The present invention also concerns any composition comprising said kerosene base, a process for preparing it and its use as a fuel in the aviation sector.

Abstract: The present invention relates to a process for regenerating a rich MEG aqueous solution (100), recovering a maximum amount of MEG while at the same time removing the carboxylic acid salts, including: a) vacuum evaporation of the solution (100) in a unit (1000); b) optional precipitation in a tank (1002) of the inorganic salts of a portion (105) of the liquid residue enriched in MEG and in salts (104) obtained from a); c) removal of the precipitated inorganic salts in a solid/liquid separation unit (1003); d) sending all or part (114) of the liquid effluent (112) obtained from c) into a separation unit (1004) different from the unit (1000) to form, notably, an MEG stream depleted in carboxylic acid salts or in carboxylic acids (115); e) recycling of said stream (115) into step a).

Abstract: The present invention relates to a device (10) for sampling solid particles from a sealed enclosure (12), sampling device (10) comprising a tubular body (18) carrying a sampling head (16), sampling head (16) being configured for gravity sampling of a volume of solid particles (14) from the enclosure, the device comprising a tubular pipe (52) attached to tubular body (18) and forming a non-zero angle with tubular body (18), tubular body (18) comprising a deflector (50) for deflecting solid particles (14) in tubular pipe (52). Additionally, sampling device (10) comprises a capacitive valve for discharge of the solid particles positioned downstream from tubular pipe (52). The invention also relates to a method for sampling solid particles, and a method for revamping a sampling device (10).

Abstract: The present invention concerns a pair of heat exchanger plates, Each plate (A, B) comprises a central panel provided with at least one groove (101, 102) protruding into a channel defined by an inner volume (V) between the plates. Within the pair of plates (A, B), each groove (101) of first plate (A) is parallel to each groove (102) of second plate (B).

Abstract: The focus of this invention is the economic integration of two well-known technologies to provide an economical, integrated process unit for the complete conversion of residue feedstock. The technologies employed are heavy oil hydrocracking, which can be via an ebullated-bed, fixed-bed or slurry bed process, and coking, which can be via a delayed coking or fluid coking (with or without integrated gasification). The invention is most applicable to residue hydrocracking of high CCR and metals atmospheric and vacuum residues where coking of the unconverted hydrocracker residue is the most practical and economical method of hydrocracking bottoms disposal.

Abstract: The invention relates to a heat exchanger plate (A; B) comprising a central panel (A0; B0) with at least four sides (A1, A2, A3, A4; B1, B2, B3, B4), said central panel being preferably quadrilateral, or quadrilateral with truncated corners, said plate having: a first side (A1; B1) of the central panel which is inclined with respect to said central panel (A0; B0) and which forms a first joining panel (JA; JB), the opposite side (A3; B3) to said first side (A1; B1) which is flat.

Abstract: A process for hydrocracking a petroleum feedstock involves: (a) hydrocracking the feedstock to obtain a hydrocracked effluent; (b) liquid/gas separation of the effluent to obtain a gaseous effluent and a liquid effluent; (c) fractionating the liquid effluent at a pressure P1, producing a first distillate and a first residue, (d) recycling a first portion of the first residue to hydrocracking, (e) rectifying a second portion of the first residue at a pressure P2 lower than or equal to the pressure P1, to obtain a secondary distillate, a secondary residue and a vapor stream, (f) purging a portion of the secondary residue, and (g) recycling all or part of the secondary distillate to hydrocracking.

Abstract: The present invention relates to a pair of heat exchanger (AB) plates (A, B), comprising a first heat exchanger plate (A) and a second heat exchanger plate (B), which are disposed facing one another and are spaced apart from one another so as to define an internal volume that is able to form a channel for the flow of a first fluid (F1), and each comprising a central panel (A0, B0. Said central panels are quadrilateral or quadrilateral with optionally truncated, cut-off or rounded edges, and are flat and mutually parallel. Two opposite sides of the central panel (A0) of the first plate (A) are inclined with respect to said central panel (A0) in the direction of the second plate (B) and form first joining panels (P1, P2) that come into contact with the two corresponding flat opposite edges of the central panel (B0) of the second plate (B).

Abstract: The present invention relates to the extraction of gasoline from a gas G, with (a) a step of extracting gasoline from the gas to be treated comprising methanol GM obtained from step (d), (b) a step of separating said fluid GL1 partially condensed in step (a), producing a first aqueous liquid phase A1, a first liquid phase H1 of hydrocarbon(s) a gaseous phase G1 obtained from the gas G; (c) a step of contacting a portion of the gas G to be treated with said first aqueous liquid phase A1, producing a second aqueous liquid phase A2, a gaseous phase of gas to be treated comprising methanol GM?; (d) a step of mixing said gaseous phase of gas to be treated comprising methanol GM? with the remainder of the gas G to be treated, producing a gas to be treated comprising methanol GM, (e) a step of stabilizing said first liquid phase H1 of hydrocarbon(s).

Abstract: A removable fixing device 1 for fixing equipment A on a support B, with: a compressible planar piece 5, an operating lever comprising a cam lever 2, and an assembly rod 3 having a first end and a second end; with: the second end of the assembly rod 3 being provided with a tightening means (4); the compressible planar piece 5, said operating lever comprising a cam lever 2 and the tightening means 4 arranged in tightened position being disposed around the assembly rod 3 in an assemblage; said operating lever comprising a cam lever 2 being arranged so that a rotation of the cam lever 2 about an axis y at right angles to the axis z of the assembly rod 3 induces a displacement of the cam lever 2 between a tightened position and a loosened position.

Abstract: The present invention relates to a calcined medium, in particular a catalyst or a catalyst medium or an adsorbent/absorbent mass, in particular in the form of extrudates, pellets, granules or beads, the medium comprising a porous matrix comprising carbonates, clays, zeolites, oxides, or metal and/or silicon hydroxides, and the matrix incorporating hollow mineral microspheres having a different composition in a content of between 0.3 and 50% by weight, in particular between 0.5 and 15% by weight, of the matrix.

Abstract: The present invention relates to a process for regenerating a rich MEG aqueous solution (100), recovering a maximum amount of MEG while at the same time removing the carboxylic acid salts, including: a) vacuum evaporation of the solution (100) in a unit (1000); b) optional precipitation in a tank (1002) of the inorganic salts of a portion (105) of the liquid residue enriched in MEG and in salts (104) obtained from a); c) removal of the precipitated inorganic salts in a solid/liquid separation unit (1003); d) sending all or part (114) of the liquid effluent (112) obtained from c) into a separation unit (1004) different from the unit (1000) to form, notably, an MEG stream depleted in carboxylic acid salts or in carboxylic acids (115); e) recycling of said stream (115) into step a).

Abstract: The invention relates to an improved apparatus and methods for managing and utilizing light hydrocarbons utilized and created during the hydroprocessing of biological feedstocks in the making of middle distillate fuels.

Abstract: The invention relates to an improved system and method for relief of hot, high pressure, fouling fluid from the 1st Stage Reactor and the ISS in case of an unintended overpressure situation while allowing the quick establishing of normal fluid flow path once the overpressure situation has been corrected. This allows for rapid cooling of all subsequent reactor stages while minimizing VGO slop generation that needs reprocessing.

Abstract: A process for hydrocracking a petroleum feedstock involves: (a) hydrocracking the feedstock to obtain a hydrocracked effluent; (b) liquid/gas separation of the effluent to obtain a gaseous effluent and a liquid effluent; (c) fractionating the liquid effluent at a pressure P1, producing a first distillate and a first residue, (d) recycling a first portion of the first residue to hydrocracking, (e) rectifying a second portion of the first residue at a pressure P2 lower than or equal to the pressure P1, to obtain a secondary distillate, a secondary residue and a vapor stream, (f) purging a portion of the secondary residue, and (g) recycling all or part of the secondary distillate to hydrocracking.

Abstract: The present invention concerns a process for the treatment of a feed comprising biomass, said process comprising at least the following steps: a) a step for drying said feed at a temperature in the range 20° C. to 180° C. for a period in the range 5 to 180 minutes, b) a step for torrefaction of the dried feed obtained from step a) in order to produce at least one solid torrefied biomass effluent, and c) a step for co-grinding the solid torrefied biomass effluent obtained from step b) in the presence of a second biomass feed in order to obtain a powder.

Abstract: The invention relates to a device (D) for distributing a fluid, which is able to be arranged in a fixed catalytic bed (C1, C2) of a reactor (R), said device comprising conveying means for conveying said fluid, comprising a plurality of pipes each directly receiving a distinct share of said fluid, distribution means for distributing said fluid, means for generating a local pressure drop in said fluid, such that: the device comprises manifold means (2a) for collecting said fluid together, and providing the fluidic connection between the pipes of said fluid conveying means and said fluid distribution means, said means for generating a local pressure drop are added on to said conveying or distribution or manifold (2a) means.