66results about "Hydrocarbon oil cracking process" patented technology

The invention discloses a device for converting biomass tar by coupling plasma multi-mode with a catalyst. A plasma reactor of the device comprises a coaxial DBD body discharge structure and a structural catalyst channel internal discharge structure; the alternating-current high-voltage electrode bar, the dielectric tube and the ground electrode form coaxial DBD body discharge in an inner cavity of the dielectric tube; catalyst particles in the inner cavity of the medium tube and the structural catalyst form voltage difference at the upper end and the lower end of the structural catalyst under the combined action of an alternating-current electric field and a direct-current electric field to form discharge in a structural catalyst channel; and meanwhile, gas which flows upwards from the structural catalyst and is activated by the plasma enables catalyst particles to be in a fluidized state, and interaction between the catalyst and the plasma is realized by combining coaxial DBD discharge. The whole reaction efficiency is improved by combining direct-current and alternating-current dual-power-supply driving and fluidized bed and packed bed two-mode coupling catalysts, rapid and efficient tar treatment can be achieved, and operability and economical efficiency of the tar treatment process are improved.

An electrically heated reactor is disclosed. The electrically heated reactor includes: at least one first reaction tube having a first channel through which a reactant passes and configured to heat the reactant passing through the first channel; at least one second reaction tube having a second channel through which the reactant passes, and configured to heat the reactant passing through the second channel; a first power source configured to supply power to the at least one first reaction tube; and a second power source configured to supply power to the at least one second reaction tube, where the first power source and the second power source may be independently controlled.

A high voltage discharge between two electrodes generating a plasma is disposed within a reactor chamber. Hydrocarbon gas and conductive liquid are passed over one or more electrodes, such that the conductive liquid cools the electrodes and avoids fouling. Such a discharge may result in hydrogen gas and additional carbon containing coproducts which may be used, released, or sequestered.

The invention discloses an ultrasonic treatment device and method for waste lubricating oil, the ultrasonic treatment device comprises a tank body, an ultrasonic treatment mechanism is arranged on the surface of the tank body, the ultrasonic treatment mechanism extends into the tank body, the ultrasonic treatment mechanism comprises a base frame and an amplitude-change pole, the base frame is attached to the surface of the tank body, and the amplitude-change pole is arranged on the surface of the tank body. According to the ultrasonic treatment equipment for the waste lubricating oil and the treatment method, the hydraulic cylinder drives the pressing sleeve to move downwards, so that the pressing sleeve drives the placement frame to move downwards, the amplitude-change pole is separated from the transduction module, meanwhile, a new amplitude-change pole is placed in the placement frame through the feeding assembly, and the sliding assembly is matched with a guide groove and a boss, so that the pressing sleeve rotates; the pressing sleeve drives the placing frame to rotate, so that the new amplitude-change pole is rotated to the position below the transduction module, then the pressing sleeve is driven by the hydraulic cylinder to reset upwards, the new amplitude-change pole is in butt joint with the transduction module, the amplitude-change pole is more convenient to replace, and meanwhile inconvenience caused by machine halt is reduced.

The invention concerns a method for converting into hydrocarbon(s) a solid or liquid substrate (11) selected among substrates formed of plastics material and heavy oils, by a conversion reaction of hydrogenolysis and / or pyrolysis, occurring in a given temperature range. This method comprises contacting, in a reactor (10), the substrate (11) and a microscale heating element (12) formed of a ferromagnetic metal compound, under an oxygen-free atmosphere (23), and heating this heating element (12), at a temperature within said temperature range, by electromagnetic induction by means of a magnetic field inductor (18) external to the reactor (10).

A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a methyl tertiary butyl ether unit producing a first process stream; passing the first process stream through a selective hydrogenation unit producing a second process stream; passing the second process stream through an isomerization unit producing a third process stream; and passing the third process stream through a hydration unit producing the fuel additive and a recycle stream.

The invention relates to the technical field of crude oil cracking, and discloses a method and a system for preparing low-carbon olefin by utilizing microwave cracking and catalytic cracking and application, the method comprises the following steps: fractionating raw oil to obtain a gas phase fraction and a liquid phase fraction; under the condition of microwave cracking, mixing the gas-phase fraction with first water vapor, and then carrying out first contact with an electromagnetic wave absorber; carrying out second contact on the liquid-phase fraction and a catalyst under a catalytic cracking condition; and separating the first contact product and / or the second contact product to obtain the low-carbon olefin. According to the method, microwave cracking is adopted and is matched with fractionation and catalytic cracking, so that the problem that a heavy cracking raw material is easy to coke during cracking reaction can be effectively solved, the yield of low-carbon olefin is increased, and the operation period is prolonged.

The invention relates to a process for depolymerizing a polystyrene filler comprising at least two pyrolysis sections, in which the hydrogen partial pressure and / or the residence time of the gas phase are controlled in the pyrolysis section of step d). Fig.2

The present invention refers to the use of metal-free carbon materials for converting plastics into C2-C4 olefins and / or other hydrocarbons under direct induction heating at temperatures up to 800°C. The present invention also relates to a process for converting plastics into C2-C4 olefins and / or other hydrocarbons, comprising a step of reacting under direct induction heating at a temperature of up to 800°C with a metal-free carbon material as defined in any one of the claims.

The method for producing olefins may include at least one cooling stage in thermal energy recovery by: supplying a hydrocarbon feed to an outer tube of a thermal energy recovery assembly; heating the hydrocarbon feed in the outer tube of the thermal energy recovery assembly to output a preheated hydrocarbon feed; supplying the preheated hydrocarbon feed to an electrically heated cracking furnace including a reaction zone to heat the preheated hydrocarbon feed; cracking the preheated hydrocarbon feed in the reaction zone of the electrically heated cracking furnace using electrically generated heat to output a hot reactor effluent including cracked hydrocarbons and olefins; supplying the hot reactor effluent to an inner tube of the thermal energy recovery assembly; and cooling the hot reactor effluent in the inner tube of the thermal energy recovery assembly by transferring heat to the hydrocarbon feed, wherein the external temperature of the inner tube in the thermal energy recovery assembly remains below 720°C and the internal temperature of the inner tube in the thermal energy recovery assembly is maintained above 180°C. TIFF2026505563000007.tif127128

Disclosed is an apparatus for converting waste synthetic resin into oil, comprising: a cracking furnace in which waste synthetic resin is stored and which generates oil vapor, which is heavy oil, by heating the waste synthetic resin and irradiating it with ultraviolet light at the same time; a heat exchanger provided in communication with the cracking furnace and which cools the oil vapor, which is heavy oil, flowing in from the cracking furnace and converts it into liquid heavy oil; and a storage tank provided in communication with the heat exchanger and which receives and stores the heavy oil converted by the heat exchanger.

A reactor for the thermal decomposition of a gaseous hydrocarbonaceous feedstock stream in an electrically heated moving bed composed of an electrically conductive granular material with deposition of elemental carbon on the granular material comprises an upper reactor section in which there are disposed a feed for the granular material and an outlet for a hydrogenous product stream, a middle reactor section, and a lower reactor section in which there is disposed a feeding device for the gaseous hydrocarbonaceous feedstock stream, and on the bottom side there is provided an outlet for the granular material, wherein the outlet comprises at least one funnel-shaped oscillating base that can be set in oscillation in vertical and / or horizontal direction by means of at least one first vibration generator and is connected to the lower reactor section via an oscillation-decoupling suspension.

A high-voltage discharge between two electrodes that generates a plasma is placed in the reactor chamber. Hydrocarbon gas and a conductive liquid are passed through one or more electrodes, so that the conductive liquid cools the electrodes and avoids contamination. Such a discharge can produce hydrogen gas and additional carbon-containing by-products that can be used, released, or sequestered.

The present invention relates to a method for cracking a hydrocarbon feedstock using an electric power plant to the maximum extent possible, wherein the electric power comes from a renewable source or a low-carbon source. In particular, the present invention relates to a method for cracking a hydrocarbon feedstock, the method comprising subjecting the hydrocarbon feedstock and dilution steam to supersonic speed in a reactor, followed by applying a shock wave to induce cracking of the hydrocarbon feedstock to convert at least a portion of the hydrocarbon mixture to produce olefins.

One or more reactants are flowed into thermal contact with a heating element in a reactor for a first time period. During a first part of a heating cycle, the one or more reactants are provided with a first temperature by heating with the heating element, such that one or more thermochemical reactions is initiated. The one or more thermochemical reactions includes pyrolysis, thermolysis, synthesis, hydrogenation, dehydrogenation, hydrogenolysis, or any combination thereof. The first heating element operates by Joule heating and has a porous construction that allows gas to flow therethrough. During a second part of the heating cycle, the one or more reactants are provided with a second temperature less than the first temperature, for example, by de-energizing the heating element. A duration of the first time period is equal to or greater than a duration of the heating cycle, which is less than five seconds.

The invention relates to the use of metal-free carbon materials to convert plastics to C2-C4 olefins and / or other hydrocarbons under direct induction heating at temperatures lower than or equal to 800 DEG C. The invention also relates to a process for converting plastics into C2-C4 olefins and / or other hydrocarbons, comprising a reaction step through a metal-free carbon material as defined in any one of the claims under direct induction heating at a temperature of less than or equal to 800 DEG C.

A system and method for dynamically reducing sulfur and other contaminants in a crude oil feedstock. The method includes pumping a crude oil feedstock into an inlet of a cavitation reactor and rotating a rotor of the cavitation reactor to induce cavitation events within the crude oil feedstock by formation and collapse of unstable bubbles that resultingly induce shockwaves to propagate through the crude oil feedstock, which further causes mixing and rapid reaction under mild / low to moderate shear forces that reduces damage to the resulting fuel product.

A waste-synthetic-resin emulsifying apparatus is disclosed. A waste-synthetic-resin emulsifying apparatus according to one embodiment of the present invention comprises: a pyrolysis furnace accommodating waste-synthetic-resin and simultaneously heating the waste-synthetic-resin and emitting ultraviolet rays to generate oil vapor, which is a heavy oil; a heat exchanger which is provided to communicate with the pyrolysis furnace, and which cools the oil vapor, which is a heavy oil, flowing in from the pyrolysis furnace, so as to convert same into a liquid heavy oil; and a storage tank which is provided to communicate with the heat exchanger, and which receives and stores the heavy oil converted by the heat exchanger.

The invention relates to a process for producing hydrocarbon resins from the microwave-assisted pyrolysis of a feedstock of styrene compounds and a feedstock comprising rubber chips, to the resin produced by said process, and to a rubber composition comprising a resin of said kind.

A process for upgrading a hydrocarbon fluid including introducing a first portion of the hydrocarbon fluid to a first electrically conductive tube, and introducing a second portion of the hydrocarbon fluid to a second electrically conductive tube. A DC current is applied to the first electrically conductive tube to heat the first portion of the hydrocarbon fluid within the first tube to a first reaction temperature to form a first product stream, and a DC current is applied to the second electrically conductive tube to heat the second portion of the hydrocarbon fluid within the second tube to a second reaction temperature to form a second product stream. The first product stream is introduced into a product channel through an outlet of the first electrically conductive tube, and the second product stream is introduced into the product channel through an outlet of the second electrically conductive tube.

A high voltage discharge between two electrodes generating a plasma is disposed within a reactor chamber. Hydrocarbon gas and conductive liquid are passed over one or more electrodes, such that the conductive liquid cools the electrodes and avoids fouling. Such a discharge may result in hydrogen gas and additional carbon containing coproducts which may be used, released, or sequestered.

Systems and methods are described for electrically heated chemical processes utilizing conductive refractory materials. A heating apparatus may include a conductive refractory material without separate heating elements; and a furnace for heating hydrocarbons. The furnace includes one or more process tubes that are configured to receive a process vapor or fluid such that the process vapor or fluid does not contact the conductive refractory material. The conductive refractory material may be at least partially disposed within the furnace and configured to receive electrical power from a power source and to generate heat such that the conductive refractory material directly radiates heat within the furnace. A method of operating a chemical process may include providing such a furnace; and applying electricity directly to the conductive refractory material such that the conductive refractory material increases in temperature and provides heat to a chemical process.

A steam cracking method utilizing electricity for providing energy. According to the method, electricity is used to provide energy for a steam cracking reaction of a cracking raw material by means of electromagnetic induction. The cracking raw material comprises one or more combinations of naphtha, cycloalkane, and cycloolefin. The cycloalkane is a C4-C8 cycloalkane, and the cycloolefin is a C4-C8 cycloolefin. Electricity is used to provide energy for a steam cracking reaction by means of an electromagnetic coil, so that a new application can be provided for electricity, and the current problem of excessive electric power is solved. Moreover, the electromagnetic coil is used to provide energy, so that the distribution of heat in a furnace tube of a cracking furnace can be more uniform, and the reaction temperature and the reaction can be controlled more conveniently.

A process for upgrading a hydrocarbon fluid including introducing a first portion of the hydrocarbon fluid to a first electrically conductive tube, and introducing a second portion of the hydrocarbon fluid to a second electrically conductive tube. A DC current is applied to the first electrically conductive tube to heat the first portion of the hydrocarbon fluid within the first tube to a first reaction temperature to form a first product stream, and a DC current is applied to the second electrically conductive tube to heat the second portion of the hydrocarbon fluid within the second tube to a second reaction temperature to form a second product stream. The first product stream is introduced into a product channel through an outlet of the first electrically conductive tube, and the second product stream is introduced into the product channel through an outlet of the second electrically conductive tube.

The present invention provides a heating apparatus for upgrading a hydrocarbon fluid, the heating apparatus comprising a current-voltage source and having at least one electrically conductive tube wherein the tube material temperature is controlled using a geometry that changes the electrical resistance along a U-shaped portion of the electrically conductive tube, the resistance is smaller than the resistance along the straight portion of the conductive tube. The heating apparatus may be used in a steam cracking process to produce ethylene.

Disclosed is an electrical heating reactor. The electrical heating reactor includes: at least one first reaction tube having a first passage through which a reactant passes and configured to heat the reactant passing through the first passage; at least one second reaction tube having a second passage through which a reactant passes and configured to heat the reactant passing through the second passage; a first power supply configured to supply power to the at least one first reaction tube; and a second power supply configured to supply power to the at least one second reaction tube, in which the first power supply and the second power supply may be independently controlled.

Provided herein are processes for the removal and / or recovery of a target metal from a liquid sample, said process comprising: [1] applying acoustic cavitation to the liquid; and [2] adding an iron (II) salt, or a precursor form thereof, to the liquid sample and allowing Fenton oxidation reaction to occur between the iron and hydrogen peroxide in the liquid, thereby producing hydroxyl radicals; thereby producing a target metal salt or metal oxide having a reduced solubility in the liquid sample, leading to removal of the target metal from the liquid sample. The use of metal ligands in such processes is also described, as well as systems for performing such processes. Methods, processes, and systems for removing organic contaminants from a liquid sample are also described.

The invention relates to the technical field of biomass energy thermochemical conversion, and discloses a system and method for cracking biomass liquid fuel through direct-current arc plasma, the system is characterized in that the feeding end of a plasma generating device is connected with an integrated atomization mixing device, and the integrated atomization mixing device is provided with two input ends; the plasma generating device is connected with the carrier gas assembly and the fuel supply assembly respectively, the plasma generating device is connected with the reaction assembly and used for cracking input fuel, a cracking output port of the reaction assembly is connected with a filtering and collecting assembly, and the plasma generating device is driven by the electric driving assembly. According to the system, liquid fuel is atomized into preheated micron-sized liquid drops by using the fuel supply assembly, so that the liquid fuel is quickly and fully cracked in a high-temperature environment of plasma in the reaction cavity, the gasification reaction rate of the biomass liquid fuel and the cracking gas yield are greatly improved, and the generation of coke and tar in the cracking process is effectively inhibited; therefore, efficient gasification of the biomass liquid fuel is realized.

The present invention relates to the technical field of industrial kilns, and in particular to a photon oxygen-free flameless combustion kiln. The photon oxygen-free flameless combustion kiln comprises a kiln body, which consists of a kiln tube, a feeding device, and a cooling device, wherein the feeding device is located at one end of the kiln tube, and the cooling device is located at the other end of the kiln tube. The kiln tube comprises three functional chambers therein, namely an oxygen-free dry distillation chamber, an alkane cracking chamber, and a reduction chamber. The present invention provides a photon oxygen-free flameless combustion kiln. By means of the specific kiln body structure and photon excitation technology, efficient dry distillation, alkane cracking and reduction reactions of organic waste are realized, and methanol is finally synthesized, thereby not only improving the conversion rate of waste and the yield of methanol, but also significantly reducing the energy consumption and environmental pollution in the production process, and providing a new technical approach for the resource utilization of waste and the production of clean energy.

The present invention refers to the use of a metal-free carbon material for converting plastic into C2-C4 olefins and / or other hydrocarbons, under direct induction heating at temperature less than or equal to 800 °C. The present invention also relates to a process for converting plastic into C2-C4 olefin and / or other hydrocarbons, comprising a step of reaction under direct induction heating, with a metal-free carbon material as defined in anyone of the claims, at temperature less than or equal to 800 °C.