1244results about "Hydrocarbon oils refining" patented technology

A process for upgrading plastic derived oil includes contacting the plastic derived oil with a mixed catalyst in a first reactor, where the mixed catalyst includes a decontamination catalyst and a cracking catalyst different from the decontamination catalyst. The first reactor reduces concentrations of halogen-containing compounds in the plastic derived oil. The process includes passing the first reactor effluent to a second reactor and contacting the first reactor effluent with the cracking catalyst to produce a second effluent comprising light olefins and naphtha range hydrocarbons. The process includes separating used mixed catalyst from the first reactor to produce a used decontamination catalyst and a second used cracking catalyst, and regenerating the decontamination catalyst and cracking catalyst in separate regenerators to reduce exposure of the cracking catalyst to halogen-containing compounds produced during regeneration of the used decontamination catalyst.

A process for upgrading plastic derived oil includes contacting a plastic derived oil stream with a decontamination catalyst in a first reactor, separating a first reactor effluent from a used decontamination catalyst, passing the first reactor effluent to a second reactor downstream of the first reactor, contacting the first reactor effluent with a cracking catalyst in the second reactor, and separating a second reactor effluent from a used cracking catalyst. The cracking catalyst is different from the decontamination catalyst. The process further includes regenerating the used decontamination catalyst in a decontamination catalyst regenerator to produce regenerated decontamination catalyst, and regenerating the used cracking catalyst in a cracking catalyst regenerator separate from the decontamination catalyst regenerator to produce regenerated cracking catalyst. Regenerating the used cracking catalyst separately reduces deactivation of the cracking catalyst by halogen-containing compounds produced during regeneration of the decontamination catalyst.

The invention discloses a low-sulfur diesel oil production device and method, and belongs to the technical field of low-sulfur diesel oil production.The low-sulfur diesel oil production device comprises a production tank, a touch screen controller is arranged on the outer surface of the production tank, a feeding pipe and a supporting ring are fixedly installed on the outer surface of the production tank, and an electric heating pipe is arranged in a shell cavity of the production tank; the feeding pipe is located above the supporting ring, a plurality of supporting feet are fixedly installed on the bottom face of the supporting ring, and a bottom shell is fixedly installed on the bottom face of the production tank. According to the low-sulfur diesel oil production device, by arranging the driving assembly, the annular turbulent flow assembly and the hydrogen introduction mechanism in a matched mode, during diesel oil production, multi-angle release of hydrogen can be achieved, the production tank can be rapidly filled with the hydrogen, a desulfurization reaction can be rapidly conducted on the hydrogen and the diesel oil under the action of a catalyst, and the production efficiency of the low-sulfur diesel oil is greatly improved; meanwhile, continuous cleaning of the core area of the filtering structure can be synchronously achieved, and blockage caused by continuous accumulation of impurities on the filtering structure is avoided.

Methods for upgrading heavy aromatic waste streams, such as polystyrene, to chemical feedstocks are disclosed. The process involves feeding waste streams to a first pyrolysis zone followed by hydrogenation. The hydrogenation effluent is processed to recover ethylene, propylene, benzene, ethylbenzene, or their precursors. Optionally, the effluents are separated into light and heavy streams. The light stream from the first pyrolysis effluent is sent to hydrogenation, while the heavy stream is either removed, recycled to the first pyrolysis zone, or fed to a second pyrolysis zone. The light stream from the hydrogenation effluent is processed to recover the same chemicals, and the heavy stream is similarly managed. If present, the second pyrolysis effluent is separated into light and heavy streams, with the light stream processed to recover chemicals and the heavy stream managed as before.

The invention provides a Pt-Sn bimetallic catalyst and a preparation method and application thereof.The preparation method comprises the steps that 1, a Y molecular sieve is placed in a mixed solution of KOH and methyl alcohol, centrifugation and washing are conducted till the Y molecular sieve is neutral after stirring, drying and roasting are conducted, and a non-acid KY molecular sieve is obtained; the silica-alumina ratio of the Y molecular sieve is 3-100; 2) taking the non-acidic KY molecular sieve as a carrier, and loading Sn by adopting an atomic layer deposition technology to obtain a Sn-modified non-acidic KY molecular sieve; and 3) loading Pt by using the Sn-modified non-acidic KY molecular sieve as a carrier and adopting an atomic layer deposition technology to obtain the Pt-Sn bimetallic catalyst. According to the preparation method provided by the invention, spatial distribution of Pt and Sn is accurately regulated and controlled by combining an atomic layer deposition technology, so that the electronic state of Pt species is adjusted, alkane is promoted to be dehydrogenated into an olefin intermediate, and the aromatization catalytic activity and the aromatic hydrocarbon selectivity of alkane are improved.

The invention discloses a method for green and efficient removal of thiophene sulfides in fuel oil by using Q [8]. According to the method provided by the invention, a Q [8] solid powder material is adopted to carry out removal treatment on simulated fuel oil containing the thiophene sulfides in a subject-object interaction mode, and the Q [8] solid powder material can be subjected to a regeneration process for reuse through ethanol desorption. The Q [8] solid powder material used in the method is low in cost, the urea is a main raw material for synthesis of the Q [8] solid powder material, and the Q [8] solid powder material is high in selectivity, can be recycled and is more environmentally friendly. The method is simple to operate, convenient to use and low in cost, the combustion simulation oil can be efficiently desulfurized, and environmental pollution is effectively reduced.

The invention discloses a shape-selective isomerization catalyst as well as a preparation method and application thereof. The catalyst comprises a ten-membered ring aluminum phosphate molecular sieve, a noble metal active component and a metal oxide auxiliary active component. The ten-membered ring aluminum phosphate molecule is selected from at least one of SAPO-11, MeAPO-11, SAPO-41 and MeAPO-41, and the ten-membered ring aluminum phosphate molecule is selected from at least one of SAPO-11, the noble metal active component is selected from at least one of Pt and Pd; the metal oxide auxiliary agent is selected from at least one of CeO2, Nb2O5 and Ta2O5. Compared with the catalyst prepared in the prior art, the catalyst prepared by the method provided by the invention has higher activity and isomer yield in the isomerization reaction of long-chain n-alkanes.

The invention relates to the technical field of crude oil decalcification, in particular to a low-corrosivity crude oil decalcification agent and a preparation method thereof. The low-corrosivity crude oil decalcifying agent is prepared from the following raw materials: acetic acid, citric acid, modified chitosan, ethanol and deionized water, wherein the modified chitosan is prepared by synthesizing N-hydroxyacrylamide, performing sulfonation treatment, and grafting poly (N-isopropylacrylamide) with carboxymethyl chitosan. The preparation method comprises the following steps: adding deionized water and modified chitosan into a blending kettle, heating to 65-75 DEG C, stirring, sequentially adding acetic acid and citric acid, continuously stirring, finally adding ethanol, stirring, and cooling to obtain the decalcifying agent. The decalcifying agent can efficiently remove organic calcium, equipment corrosion is reduced through temperature-sensitive film forming, chelate is stable at high temperature, sewage COD is low, the decalcifying agent adapts to an existing electro-desalting process, and industrial application is easy.

An integrated process having an ultra-low GHG footprint for converting Camelina based biomass to liquid fuels and lubricant base stocks in which a Camelina based biomass feed is converted to liquids by a multistep hydroprocessing method and the liquids are upgraded to produce premium hydrocarbon fuels and lubricants.

The invention relates to a method for treating a liquid feedstock comprising at least partly carbonaceous products resulting from a hydrothermal liquefaction treatment, known as biocrude feedstock (1), with a view to reducing the content of mineral compounds, such as said treatment comprises - a step (a) dilution of the biocrude feedstock with a diluent (8) comprising an organic liquid phase, so as to obtain a dilute biocrude (9), - a step (b) contacting the dilute biocrude obtained in step (a) with at least one solvent (3) which comprises a liquid aqueous phase, with counter-current liquid-liquid extraction, so as to obtain, on the one hand, a raffinate (5) comprising the mineral-depleted biocrude and the diluent, and on the other hand an extract (4) comprising the solvent enriched with mineral compounds, - a step (c) of separation of the raffinate (5) obtained in step (b), so as to obtain, on the one hand, the biocrude depleted in mineral compounds (7) and on the other hand a phase comprising the diluent (8).

The invention relates to the field of data processing, in particular to a crude oil vacuum degassing intelligent control system based on real-time data processing, which is provided with a degassing analysis module used for acquiring degassing data of raw materials to extract degassing state characteristics of the raw materials and calculating degassing stability characterization values of the raw materials based on the degassing state characteristics, the degassing stability degree categories of the corresponding raw material degassing processes are divided; the analysis calling module is used for selectively calling the degassing evaluation module or the conventional adjustment module according to the degassing stability degree category, predicting a flash point value at a preset prediction frequency, and adaptively evaluating and analyzing the degassing of the raw material; the response early warning module responds to the judgment result of the degassing evaluation module and sends out an early warning prompt signal, through the reliable safety monitoring process, the efficiency of the crude oil vacuum degassing process is improved, potential safety risks can be recognized in advance, and therefore production safety is guaranteed.

The present application belongs to the technical field of cracking and dechlorination of chlorinated mixed plastics, and particularly relates to a preparation method of a red mud-based chlorinated mixed plastic pyrolysis composite dechlorination agent and a dechlorination method. First, the coffee grounds are converted into biochar through a hydrothermal carbonization reaction, and at the same time, the reducing gas released during the carbonization of the coffee grounds is used to reduce part of the hematite in the red mud to Fe3O4; then, through a high-temperature carbon thermal reaction, the residual hematite in the red mud is completely reduced to Fe3O4, and at the same time, the composite with the added CaO is realized, and finally, the composite dechlorination agent composed of the modified red mud, the biochar and the CaO is obtained. The dechlorination agent has a suitable specific surface area and an adjustable pore structure, can effectively fix HCl during the cracking of chlorinated mixed plastics, and can further obtain plastic pyrolysis oil with ultra-low chlorine content, and realize the high-value utilization of the red mud and coffee grounds solid waste.

A method of transporting hydrogen may comprise providing hydrogen gas comprising a first hydrogen gas portion produced by a method with no direct carbon emissions to the atmosphere and a second hydrogen gas portion produced by a method with direct carbon emissions to the atmosphere; at a first hydrocarbon processing facility, hydrogenating a hydrocarbon feed in the presence of the hydrogen gas to form a hydrogenated effluent; transporting a portion of the hydrogenated effluent from the first hydrocarbon processing facility to a second hydrocarbon processing facility; and at the second hydrocarbon processing facility, dehydrogenating the portion of the hydrogenated effluent to form a hydrogen gas product. On average, a mass flow rate of the first hydrogen gas portion may be at least 90% of a mass flow rate of the hydrogen gas product. The first hydrocarbon processing facility and the second hydrocarbon processing facility may be separated by a distance of at least 100 km.

The invention provides a hydroisomerization catalyst and an application thereof in an isomerization reaction of n-alkanes. The hydroisomerization catalyst comprises a Ni modified SAPO-11 molecular sieve and an active component loaded on the Ni modified SAPO-11 molecular sieve, the pore diameter of the Ni modified SAPO-11 molecular sieve is 5.4-14.5 nm, the Ni dispersity is 0.31-0.40, and the specific surface area is 195-288 m < 2 > / g.

The disclosure provides compositions and methods for removing ions from hydrocarbon mediums. A method may include removing a first anion from a liquid hydrocarbon. The method may include contacting an ion exchange resin having a second anion with a water-soluble organic solvent to form a treated ion exchange resin, contacting the treated ion exchange resin with the liquid hydrocarbon, and removing the first anion from the liquid hydrocarbon by exchanging the first anion with the second anion. A composition may include the hydrocarbon medium and the ion exchange resin or treated ion exchange resin.

Provided herein are processes for recycling hydrocarbons in a used high performance lubricant such as wind turbine gear oil. In the present process and methodologies, the used high performance lubricant is not mixed with another type of used oil. The used high performance oil is contacted with a solvent in an extraction process. Contaminates are extracted and circular hydrocarbons are formed. Solvent can be recovered, and the circular hydrocarbon combined with a high performance base stock for use as a high performance lubricant in a mechanical system.

Processes for decontaminating a plastic derived oil include contacting a plastic derived oil stream containing halogen-containing compounds with a decontamination catalyst at a reaction temperature of 350-450° C. to produce a decontaminated plastic derived oil and a used decontamination catalyst. The decontamination catalyst includes from 5-40 wt. % red mud particles, from 20-60 wt. % matrix material, and from 10-30 wt. % binder, per unit weight of the decontamination catalyst. Contacting the plastic derived oil stream with the decontamination catalyst at the reaction conditions causes halogen-containing compounds to react to form hydrocarbons and hydrogen halides, which further react with the red mud particles to produce metal halides on surfaces of the red mud particles. The decontaminated plastic derived oil has a concentration of the halogen-containing compounds less than a concentration of the halogen-containing compounds in the plastic derived oil stream.

An olefin production system (1) comprises: a reactor (10) that generates water and a hydrocarbon, which contains a lower olefin, from a feedstock containing hydrogen and carbon dioxide and / or carbon monoxide; a first gas-liquid separation tank (20) that separates the product generated by the reactor (10) into a gas containing the lower olefin and a liquid containing water and a hydrocarbon that contains the lower olefin; and a second gas-liquid separation tank (30) that is connected to the first gas-liquid separation tank (20) and separates the gas containing the lower olefin from the liquid transferred from the first gas-liquid separation tank (20). The lower olefin contains at least one substance selected from the group consisting of ethylene, propylene, butene and butadiene.

The invention belongs to the technical field of petroleum processing, and particularly relates to a preparation method and application of a catalyst. The catalyst comprises a metal active component and a molecular sieve, a metal complex is added in situ in the synthesis process of the molecular sieve, anchoring of metal in a molecular sieve cage is realized by using a confinement effect in the molecular sieve cage, sub-nanometer approaching of a metal site and an acid site is realized, and the synergistic effect of the metal site and the acid site is improved; the catalytic cracking catalyst is used for synergistic catalytic cracking of biomass pyrolytic oil and petroleum distillate oil. The high-activity confinement type catalyst is synthesized, the synthesis time of the catalyst is greatly shortened by adding the metal complex while the HY molecular sieve is synthesized, the original crystal structure is kept, metal dispersion is promoted, and the catalytic reaction activity is improved. The catalyst provided by the invention is simple and controllable in active component loading capacity and size, and can be applied to the co-catalytic cracking process of biomass pyrolytic oil and / or a model compound thereof and petroleum distillate oil and / or VGO.

The utility model provides an aromatic hydrocarbon extraction device. The aromatic hydrocarbon extraction device comprises a de-heavy tower, an extraction tower, a recovery tower, a first rectifying tower and a second rectifying tower which are connected in sequence, a tower top steam outlet of the de-heavy tower is connected with a heat source inlet of an extraction tower reboiler, and a heat source outlet of the extraction tower reboiler is connected with a feed port of the extraction tower through a de-heavy tower return tank. A discharge port of the extraction tower is connected with a feed port of the recovery tower, a tower top steam outlet of the recovery tower is connected with a feed port of the first rectifying tower through a recovery tower return tank, and a discharge port of the first rectifying tower is connected with a feed port of the second rectifying tower. The aromatic hydrocarbon extraction device disclosed by the utility model has the characteristics of high aromatic hydrocarbon extraction rate, high purity, energy conservation and high efficiency.

The invention provides a nickel metal hydroisomerization catalyst as well as a preparation method and application thereof. The catalyst comprises nickel, an alumina carrier and a molecular sieve, the nickel is loaded on the alumina carrier, and the content of the nickel in the catalyst is 1-10wt%; the molecular sieve is an SAPO molecular sieve. According to the invention, alumina is used as a carrier, non-noble metal nickel is loaded through a wet immersion method and is mixed with the molecular sieve to prepare the alkane isomerization catalyst, so that active metal with smaller particle size and higher dispersity can be provided, metal agglomeration at high temperature is avoided, and the utilization rate of metal is increased; the catalyst with excellent catalytic activity can be obtained only by loading low-content nickel metal, the catalyst has higher catalytic activity and selectivity, the obtained product contains more isomers, and the low-temperature fluidity of the product can be remarkably improved.

Described is a computer-implemented method for modeling an equilibrium separation in a chemical separator. The method can include representing a feedstock of the chemical separator as a collection of molecules, each molecule having a mole fraction. A cluster analysis is performed on the feedstock based on a property of the collection of molecules to generate thermodynamic lumps. A mapping identity table is generated that identifies each molecule of the collection of molecules in the feedstock. A simulation of a chemical separation of the thermodynamic lumps is performed. The mole fraction of molecules in a resultant first phase and the mole fraction of molecules in a resultant second phase is determined.

The application belongs to the technical field of dechlorination carrier and specifically provides a preparation method of a dechlorination active carrier, which comprises the following steps: 1) polyoxyethylene-polyoxypropylene block copolymer and modified protein solution are dissolved in deionized water, then cobalt nitrate, aluminum lactate and 2-aldehyde benzene boronic acid are added and stirred uniformly, reaction is carried out at 110-130 DEG C, centrifugation and drying are carried out to obtain a precursor; 2) tetrabutylphosphonium hydroxide and sodium aluminate are added into deionized water, TEOS and the precursor are added after mixing, stirring is carried out, crystallization is carried out at 165-175 DEG C, centrifugation and washing are carried out, and the obtained solid is dried and calcined to obtain the dechlorination active carrier. The carrier prepared by the application has the advantage of good dechlorination effect.

A process dissolves or disperses asphaltenes from marine fuels by using at least one quaternary ammonium compound. A weight ratio of saturates to asphaltenes in the marine fuel is at least 4.0. A marine fuel is produced that includes saturates, aromatics, and asphaltenes in addition to at least one quaternary ammonium compound. Another process reduces or prevents fouling caused by asphaltenes in a marine fuel.

The invention relates to the technical field of petroleum refining, in particular to a bimetallic modified manganese oxide molecular sieve type adsorbent and a preparation method and application thereof.The adsorbent comprises a manganese oxide carrier and an active component and is characterized in that the manganese oxide carrier is MnOx-ZSM-5, the mass ratio of MnOx in the carrier is 10-15 wt%, and x is equal to 1.5-2.0; and the active components are Co and Cu. The prepared bimetallic modified manganese oxide molecular sieve type adsorbent can directly and well remove sulfur-containing compounds in sulfur-containing alkylate oil at room temperature or lower temperature (lower than 100 DEG C), the desulfurization adsorbent is low in cost, high in desulfurization precision, high in sulfur capacity and high in one-way conversion rate, and the desulfurization method is convenient in process, simple to operate and suitable for industrial production. The industrial popularization is facilitated.

The invention discloses a low-foam surfactant for emulsifying compound mineral oil as well as a preparation method and application of the low-foam surfactant. The low-foam surfactant is prepared from organic ammonium ester TPP, Span S-80, Tween 80, Yangba XP50 and deionized water. The preparation method comprises the following steps: mixing organic ammonium ester TPP and span-80 under a first condition; adding Tween 80 and Yangba XP50, and mixing under a second condition; the problems that a traditional surfactant for white oil emulsification is too much in foam, heavy in environmental burden, insufficient in stability and the like are solved.

The invention belongs to the technical field of desulfurizer preparation, and particularly relates to an oil field composite desulfurizer and a preparation method thereof. The compound desulfurizer for the oil field is prepared from the following raw materials in percentage by mass: 12 to 14 percent of 6-tridecyl-1, 3, 5-triazine-2, 4-diamine, 25 to 27 percent of tetramethylguanidine lactate, 7 to 9 percent of glutamic acid-N, N-ferric diacetate, 3.6 to 4.0 percent of sodium dioctyl sulfosuccinate, 1.0 to 1.3 percent of glyceryl polyoxypropylene polyoxyethylene ether and the balance of water. The compound desulfurizer for the oil field has the advantages that the desulfurization speed is high, the desulfurization depth and durability are considered, and the problems that a traditional desulfurizer is easy to emulsify and poor in compatibility with crude oil are solved.

The invention provides a process and a method for phase equilibrium regulation and control in petroleum industry, main components of petroleum raw materials are determined through raw material analysis, and pertinence and effectiveness of regulation and control are ensured. According to the invention, the mixed materials are put into the reaction kettle for phase equilibrium regulation reaction, and the reaction temperature, pressure and time are strictly controlled, so that the reaction process is stable and controllable, and the product quality is improved. The specific steps for raw material analysis by using the gas chromatograph-mass spectrometer are detailed and accurate, and the specific steps for determining the regulation and control target define the specific numerical values of the light oil yield and the oil product quality index, so that the regulation and control are more operable. Temperature, pressure and phase composition parameters of a reaction system are monitored in real time through online monitoring equipment, abnormity is found and adjusted in time, and it is ensured that the regulation and control effect is optimal. A distillation or extraction method is adopted for product separation, and proper separation conditions are selected according to target components, so that effective separation and purification of the product are realized.

This application discloses a process for making jet fuel including: (1) oligomerizing an olefin stream to an oligomer stream; (2) hydrogenating said oligomer stream to provide a paraffin stream; (3) separating said paraffin stream to provide a jet fuel stream and a reformer feed stream; and (4) reforming said reformer feed stream to provide a reformed stream with an increased concentration of aromatics.

Disclosed herein are hydrocarbon based compositions derived from pyrolysis of a feedstock comprising post-consumer and / or post-industrial plastics and methods of making and use thereof.