Abstract: The present invention relates to monomers, oligomers and polymers of sugars functionalized with straight or branched fatty acid and derivatives, their compositions and their uses.

Abstract: The invention relates to a lining (10) intended to be positioned inside a chamber (1) to promote contact between fluids circulating inside said chamber, said lining comprising a plurality of separate criss-crossing strips (12): —first strips (12.1i) parallel to a first direction (D1) and defining a plurality of first planes spaced apart from each other, —second strips (12.2i) parallel to a second direction (D2) forming an angle with the first direction (D1) and defining a plurality of second planes spaced apart from each other. In each first plane, a free space separates two first adjacent strips I a direction perpendicular to the first direction and receives a second strip, the first and second strips being secured together. Each separate strip of at least one stage is perforated (12) and selected from a strip made from a stamped metal sheet and a strip made from an expanded metal sheet.

Abstract: The present invention relates to derivatives of 10-methylene lipids, their preparation and their use.

Abstract: The invention relates to an injection device (10) for atomizing a liquid into droplets using a gas, comprising a hollow tubular body (12) having a longitudinal direction (X). An inner wall (13) defines a first region, referred to as contact region (Z1), and a second region (Z2). The body includes: —at least two inlet ports (14; 16) for injecting liquid and an inlet port for injecting gas, all of said ports extending to the first region (Z1); —at least one outlet port (18), located downstream of the first and second regions, for discharging the atomized liquid. The body (12) has an inner cross-section that varies continuously or constantly over the entire length thereof. Between regions (Z1) and (Z2), the inner wall (13) includes at least one baffle (261) which is shaped such that in each plane running perpendicularly to the longitudinal direction of the body containing said baffle, the baffle reduces an inner cross-section of the body over the entire periphery of the inner wall (13).

Abstract: The invention relates to an injection device (10) for atomizing a liquid into droplets using a gas, comprising a hollow tubular body (12) having a longitudinal direction (X). An inner wall (13) defines a first region, referred to as contact region (Z1), and a second region (Z2). The body (12) has an inner cross-section that varies continuously or constantly over the entire length thereof except at the junction between the first and second regions, where the inner wall (13) of the body includes at least one cavity (201) which increases the size of the inner cross-section of the body, said at least one cavity extending over a predefined length in the longitudinal direction.

Abstract: The invention relates to a feedstock injector (2?) for injecting an atomized hydrocarbon feedstock into a tubular-type reactor with substantially upward or downward flow that is intended to be used in a fluid catalytic cracking unit, having: at least one hollow cylindrical body (41); at least a first and a second inlet openings (40, 42) for respectively injecting a liquid hydrocarbon feedstock to be cracked and an atomizing gas into said cylindrical body (41); at least one contact chamber (46) arranged inside said hollow cylindrical body, in which said liquid hydrocarbon feedstock to be cracked and said atomizing gas are intended to be brought into contact in order to atomize said liquid hydrocarbon feedstock to be cracked; and at least one outlet opening (44) that opens on the inside of said reactor in order to eject said liquid hydrocarbon feedstock thus atomized. According to the invention, each element of the injector (2?) is formed of a ceramic material.

Abstract: The invention relates to an injection device (10) for atomizing a liquid into droplets using a gas, comprising a hollow tubular body (12) having a longitudinal direction (X). An inner wall (13) defines a first region, referred to as contact region (Z1), and a second region (Z2). The body includes: —at least two inlet ports (14; 16) for injecting liquid and an inlet port for injecting gas, all of said ports extending to the first region (Z1); —at least one outlet port (18), located downstream of the first and second regions, for discharging the atomized liquid. The body (12) has an inner cross-section that varies continuously or constantly over the entire length thereof. Between regions (Z1) and (Z2), the inner wall (13) includes at least one baffle (261) which is shaped such that in each plane running perpendicularly to the longitudinal direction of the body containing said baffle, the baffle reduces an inner cross-section of the body over the entire periphery of the inner wall (13).

Abstract: The invention relates to an injection device (10) for atomizing a liquid into droplets using a gas, comprising a hollow tubular body (12) having a longitudinal direction (X). An inner wall (13) defines a first region, referred to as contact region (Z1), and a second region (Z2). The body (12) has an inner cross-section that varies continuously or constantly over the entire length thereof except at the junction between the first and second regions, where the inner wall (13) of the body includes at least one cavity (201) which increases the size of the inner cross-section of the body, said at least one cavity extending over a predefined length in the longitudinal direction.

Abstract: The invention relates to an injection device (10) configured to atomize a liquid into droplets using a gas, comprising a hollow tubular body (12) of longitudinal direction (X). An internal wall (13) defines a first zone referred to as a contact zone (Z1) and a second zone (Z2). The device (10) is notably provided with an atomizing element (18) mounted on an opening (19) of the body situated facing an opening (17) for injecting a liquid, comprising a tubular pipe (20) for conveying gas into the first zone (Z1), and a target (21) situated at the centre of the pipe. The body has an internal cross-section that varies continuously or is constant over its entire length (for example the shape of a simple cylinder) and of which the internal wall is provided, between the zones (Z1) (Z2), with at least one chicane (26i, 26?i) projecting from the internal wall towards the inside of the body.

Abstract: The invention relates to an injection device (10) configured to atomize a liquid into droplets using a gas, comprising a hollow tubular body (12) of longitudinal direction (X). An internal wall (13) defines a first zone referred to as a contact zone (Z1) and a second zone (Z2). The body has: at least a first and a second inlet opening (14; 16) opening into the said first zone (Z1), so as to respectively inject a liquid and an atomizing gas, at least one outlet orifice (18) situated downstream of the first and second zones, for removing the atomized liquid from the body. The internal wall (13) of the body is provided, between the zones (Z1) (Z2), with at least one chicane (20i) configured so that, in each plane perpendicular to the longitudinal direction of the body containing the said chicane, this chicane extends over just part of the periphery of the internal wall (13).

Abstract: The invention relates to a feedstock injector (2?) for injecting an atomized hydrocarbon feedstock into a tubular-type reactor with substantially upward or downward flow that is intended to be used in a fluid catalytic cracking unit, having: at least one hollow cylindrical body (41); at least a first and a second inlet openings (40, 42) for respectively injecting a liquid hydrocarbon feedstock to be cracked and an atomizing gas into said cylindrical body (41); at least one contact chamber (46) arranged inside said hollow cylindrical body, in which said liquid hydrocarbon feedstock to be cracked and said atomizing gas are intended to be brought into contact in order to atomize said liquid hydrocarbon feedstock to be cracked; and at least one outlet opening (44) that opens on the inside of said reactor in order to eject said liquid hydrocarbon feedstock thus atomized. According to the invention, each element of the injector (2?) is formed of a ceramic material.

Abstract: The invention relates to an injection device (10) configured to atomize a liquid into droplets using a gas, comprising a hollow tubular body (12) of longitudinal direction (X). An internal wall (13) defines a first zone referred to as a contact zone (Z1) and a second zone (Z2). The body has: at least a first and a second inlet opening (14; 16) opening into the said first zone (Z1), so as to respectively inject a liquid and an atomizing gas, at least one outlet orifice (18) situated downstream of the first and second zones, for removing the atomized liquid from the body. The internal wall (13) of the body is provided, between the zones (Z1) (Z2), with at least one chicane (20i) configured so that, in each plane perpendicular to the longitudinal direction of the body containing the said chicane, this chicane extends over just part of the periphery of the internal wall (13).

Abstract: The invention relates to an injection device (10) configured to atomize a liquid into droplets using a gas, comprising a hollow tubular body (12) of longitudinal direction (X). An internal wall (13) defines a first zone referred to as a contact zone (Z1) and a second zone (Z2). The device (10) is notably provided with an atomizing element (18) mounted on an opening (19) of the body situated facing an opening (17) for injecting a liquid, comprising a tubular pipe (20) for conveying gas into the first zone (Z1), and a target (21) situated at the centre of the pipe. The body has an internal cross-section that varies continuously or is constant over its entire length (for example the shape of a simple cylinder) and of which the internal wall is provided, between the zones (Z1) (Z2), with at least one chicane (26i, 26?i) projecting from the internal wall towards the inside of the body.

Abstract: The invention relates to a feedstock injector (2?) for injecting an atomized hydrocarbon feedstock into a tubular-type reactor with substantially upward or downward flow that is intended to be used in a fluid catalytic cracking unit, having: at least one hollow cylindrical body (41); at least a first and a second inlet openings (40, 42) for respectively injecting a liquid hydrocarbon feedstock to be cracked and an atomizing gas into said cylindrical body (41); at least one contact chamber (46) arranged inside said hollow cylindrical body, in which said liquid hydrocarbon feedstock to be cracked and said atomizing gas are intended to be brought into contact in order to atomize said liquid hydrocarbon feedstock to be cracked; and at least one outlet opening (44) that opens on the inside of said reactor in order to eject said liquid hydrocarbon feedstock thus atomized. According to the invention, each element of the injector (2?) is formed of a ceramic material.

Abstract: The invention relates to an orifice chamber designed to expand a gas, in particular intended for a fluid catalytic cracking unit, said orifice chamber comprising the following elements: a chamber having an axis (X), an inlet duct that opens into the chamber, an outlet duct located on the opposite side from the inlet duct following said axis (X), and a plurality of internal plates positioned crosswise to the axis (X) inside the chamber at a distance from one another along the axis (X), each internal plate being provided with a plurality of through-orifices, characterized in that at least the plurality of internal plates is made of a ceramic material.

Abstract: The invention relates to a termination device of a tubular reactor comprising at least one separation element adapted for the separation of solid particles and gaseous effluents and at least one coupling element that is part of an end of said tubular reactor, said separation element being connected to said coupling element, characterized in that each element of the termination device is made of ceramic material. The invention also relates to a tubular reactor, having a vertical or substantially vertical axis, of a fluid catalytic cracking unit equipped with a termination device according to the invention and to a corresponding fluid catalytic cracking unit.

Abstract: An injection element (10) for a gas injection system (1) inside a regenerator of a fluid catalytic cracking unit, said injection element defining a flow passage (12) and being arranged so as to be able to be fastened to a support (11) so that said flow passage opens on one side into a cavity and on the other side into a fluidized catalyst bed, characterized in that said injection element is made of ceramic material.

Abstract: The invention relates to a cyclone (10) for mechanical separation of particles in suspension in a gas, in particular intended for a fluid catalytic cracking unit, said cyclone comprising the following elements: a separation chamber (101), an inlet duct (102) that opens into the chamber (101), a gas outlet duct (103) located in the upper portion of the chamber (101) and a particle outlet duct (104) located in the lower portion of the chamber (101), characterized in that each element of the cyclone is made of a ceramic material. The invention also relates to a fluid catalytic cracking unit equipped with at least one cyclone made of ceramic material.

Abstract: The invention relates to a feedstock injector (2?) for injecting an atomized hydrocarbon feedstock into a tubular-type reactor with substantially upward or downward flow that is intended to be used in a fluid catalytic cracking unit, having: at least one hollow cylindrical body (41); at least a first and a second inlet openings (40, 42) for respectively injecting a liquid hydrocarbon feedstock to be cracked and an atomizing gas into said cylindrical body (41); at least one contact chamber (46) arranged inside said hollow cylindrical body, in which said liquid hydrocarbon feedstock to be cracked and said atomizing gas are intended to be brought into contact in order to atomize said liquid hydrocarbon feedstock to be cracked; and at least one outlet opening (44) that opens on the inside of said reactor in order to eject said liquid hydrocarbon feedstock thus atomized. According to the invention, each element of the injector (2?) is formed of a ceramic material.

Abstract: The invention relates to a cyclone (10) for mechanical separation of particles in suspension in a gas, in particular intended for a fluid catalytic cracking unit, said cyclone comprising the following elements: a separation chamber (101), an inlet duct (102) that opens into the chamber (101), a gas outlet duct (103) located in the upper portion of the chamber (101) and a particle outlet duct (104) located in the lower portion of the chamber (101), characterized in that each element of the cyclone is made of a ceramic material. The invention also relates to a fluid catalytic cracking unit equipped with at least one cyclone made of ceramic material.