862results 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 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 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 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.

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.

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.

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.

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 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.

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.

Described are compositions including a reaction product of an amino alcohol and an aldehyde and a reaction product of a monohydric or polyhydric alcohol, an aldehyde and a nitrogen-containing compound. In addition, processes for removing sulfur compounds from process streams using such compositions are described, as well as such processes in which the process stream is contacted independently with a reaction product of an amino alcohol and an aldehyde and a reaction product of a monohydric or polyhydric alcohol, an aldehyde and a nitrogen-containing compound. Further described is the use of such compositions to remove sulfur compounds from process streams and the use of a reaction product of an amino alcohol and an aldehyde and a reaction product of a monohydric or polyhydric alcohol, an aldehyde and a nitrogen-containing compound to remove sulfur compounds from process streams.

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.

Methods of processing a coal-based feedstock to a high value product are provided. In one embodiment a method of processing a coal-based feedstock to a high value product, the method comprises the steps of: contacting the coal-based feedstock with one or more solvents under non-pyrolytic conditions thereby generating a liquid phase; and fractionating the liquid phase to generate at least two fractions under conditions such that at least one of the fractions is the high value product. The liquid phase may comprise 5 to 25 wt % oxygen and at least 70% of the oxygen in the liquid phase may be in the form of phenolic, carboxylic and ketone functional groups of hydrocarbon-based compounds.

The application discloses an asphaltene separation device and an asphaltene separation method. The asphaltene separation device comprises a separation cabin, the separation cabin is in a cylindrical structure, electric heating wires are filled between the inner wall and the outer wall of the separation cabin, the electric heating wires are connected with temperature sensors, a stirring shaft is penetrated through the center of the end face of the bottom end of the separation cabin, stirring blades are sleeved with the end part of the stirring shaft, the stirring blades are in the separation cabin, the end part of the stirring shaft is connected with a stirring motor, and the stirring motor is outside the separation cabin. The asphaltene separation device and the separation method solve the problem that a long time is consumed in the asphaltene separation process, and meet the demand of people for rapid asphaltene separation. The asphaltene separation device is provided with a stirring device composed of a stirring shaft and stirring blades, the dissolution and separation time is reduced through the stirring mode, and the temperature sensors and the electric heating wires are provided, so that the temperature in the separation cabin can be accurately controlled, and the dissolution speed of solutes is accelerated.

The utility model relates to the technical field of separating devices, and discloses an oiling multiphase flow separator which comprises a separating tank, a connecting ring is movably connected to the left side of the upper surface of the separating tank, a demister is fixedly connected to the top end of the connecting ring, and a driving plate is fixedly connected to the right side of the outer surface of the connecting ring. By arranging the connecting ring, the demister, the driving plate, the cylinder and the moving block, when the first motor starts to operate, the threaded rod starts to rotate, the moving block is driven by the rotation of the threaded rod, so that the moving block and the cylinder start to move back and forth under the driving of the threaded rod, and meanwhile, the driving plate is driven by the movement of the cylinder; therefore, the driving plate, the demister and the connecting ring start to rotate along the inner surface of the notch ring, and the demister is in active contact with the oil fog drops due to rotation of the demister, so that the removal efficiency of the demister on the oil fog drops in the natural gas is improved.

Adsorbents which are more hydrothermally stable, less reactive, and have longer life are described. The adsorbent comprises 60 wt % to 95 wt % zeolite, wherein the zeolite is an LTA zeolite in hydrogen, ammonium, potassium, calcium or sodium form, wherein the zeolite has a ratio of silica / alumina in a range of 1 and 1.5; 5 wt % to 30 wt % binder; 0.1 to 5 wt % phosphorous in the form of phosphoric acid, or a phosphate salt, or a pyrophosphate salt, or combinations thereof; and 0.5 to 10 wt % silica. Processes of preparing the adsorbent, and methods of drying or purifying a liquid hydrocarbon, a gas hydrocarbon, a renewable feedstocks, carbon dioxide, or combinations thereof, using the adsorbent are also described.

The present invention relates to the field of dewaxing of hydrocarbon feeds. More in particular, it relates to the use of alkaline-treated mesoporous zeolites and catalysts encompassing the same for the dewaxing of hydrocarbon feeds. It was found that the zeolites and catalysts of the present invention can significantly reduce cracking of the hydrocarbon feed, and accordingly significantly reduce liquid hydrocarbon feed loss during processes such as dewaxing.

The present invention provides a reforming oil hydrogenation de-olefin catalyst, which has an alumina carrier, a first active component of a Group VIB metal sulfide and a Group VIII metal sulfide, and a second active component of at least one of Pd and Pt. The first active component is distributed in a catalyst layer from the surface of the catalyst to a thickness of not more than 2 / 5 of the radius of the catalyst, and the second active component is distributed in a catalyst layer from the center of the catalyst to a thickness of not more than 4 / 5 of the radius of the catalyst. The catalyst is prepared by low-volume impregnation, in which a Group VIB metal salt and a Group VIII metal salt are first impregnated in the outer layer, dried and sulfided, then a promoter is impregnated in the outer layer, and a second active component metal salt is impregnated into the interior of the catalyst. The catalyst of the present invention prevents the inner layer of the reduced active component from being poisoned by sulfur, and also prevents the inner layer from being poisoned by metal impurities and carbon deposition, thereby improving the sulfur tolerance of the catalyst and prolonging the life of the catalyst.

Compositions and methods for removing hydrogen sulfide, gas phase thiol, carbonyl sulfide, and combinations thereof from a gas / vapor stream are provided by utilizing a renewable formulation medium. The composition may include an activated carbon media (BCT-AC media) treated with a binding complex. The compositions and methods offer advantages over currently known technologies by reducing the number of process steps required and thus reduced capital and operating costs, and eliminating aqueous phase processes that are expensive to run and produce undesired waste by-products. In addition, the provided compositions and methods remove hydrogen sulfide as recoverable elemental sulfur, and are ideally suited for use in gas / vapor reactions in which carbon dioxide may be present, as it has no process or economic impact on the composition or process.

To provide a process for producing renewable linear alkylbenzenes from vegetable, animal, nut and / or seed oils, which are biorenewable resources.SOLUTION: The process includes: a linear selective cracking process to crack C14+ chains into C9 to C14 chains which are useful for producing linear alkylbenzene for use in detergents; and a hydroisomerization step to produce paraffins with monomethyl branching which can be reacted with benzene to form monomethyl alkyl benzenes.SELECTED DRAWING: None

The utility model relates to the field of oilfield development, and discloses a shale oil high-sulfur flowing well ground desulfurization device which comprises a mixing tank, a support frame, a desulfurizer spraying mechanism, a transition pipeline, an S-shaped distributed ground desulfurization pipeline group and a buffer pool, the S-shaped arrangement ground desulfurization pipeline group comprises a plurality of desulfurization pipelines which are laid on the ground and are parallel to one another and pipe bending mechanisms which are connected with corresponding position ports of the adjacent desulfurization pipelines. The device is simple in structure, small in equipment fixing investment and low in operation cost, and has good economic benefits; the flow velocity is delayed through gravity oil discharge, the flow in the pipeline is increased and the time is prolonged by additionally arranging the S-shaped distributed ground desulfurization pipeline group formed by the bent pipes, and homogenization is performed through the buffer pool, so that shale oil and a desulfurizer are fully and uniformly mixed, the desulfurization effect is better, and the safety production is better guaranteed; the S-shaped arrangement mode of the ground desulfurization pipelines is small in occupied area, land space is saved, and good resource utilization benefits are achieved.

To provide, regarding hydrotreating reaction of raw oil including gas oil fraction, an information processing method capable of estimating a hydrogen consumption, a hydrogen consumption calculation device capable of estimating the hydrogen consumption, a hydrogen consumption calculation program, and a non-temporary readable recording medium for a computer.SOLUTION: An information processing method, regarding hydrotreating reaction of raw oil including gas oil fraction, includes: an information acquisition step to acquire information on raw oil in a fixed period, and information on product oil; and a hydrogen quantity calculation step to calculate a hydrogen quantity consumed by the hydrotreating reaction in fixed period on the basis of the acquired information on raw oil, and the acquired information on product oil.SELECTED DRAWING: None

Systems and methods are disclosed for detecting temperature excursion in a chemical plant or petrochemical plant or refinery. Aspects of the disclosure provide an enhanced control system for a reactor, such as in hydroprocessing. The enhanced control system may provide early warnings of impending undesirable events, directly or indirectly manipulate certain process variables to reduce undesirable outcomes, and / or directly or indirectly manipulate of certain process variables so as to place a reactor unit in a "safe park" state. This may avoid a high temperature trip, depressuration, associated operating risks, allow for faster recovery from temperature excursions, and / or avoid unplanned emergency shutdowns of the reactor, chemical process, plant, or refinery.

The invention refers to the method for producing gasolines or aromatic compound concentrates, where three streams are used as feedstock, one of which includes hydrocarbon fraction, the second stream includes oxygenate, the third stream includes olefin-containing fraction with one or more olefins selected from the group consisting of ethylene, propylene, normal butylenes, isobutylene, in total from 10 to 50 wt %, and where three reaction zones filled with zeolite catalyst are used, with distribution of hydrocarbon fraction and oxygenate to the first reaction zone, and with olefin-containing fraction distributed over the three reaction zones, with the third stream mass fraction distributed to the final reaction zone higher than the mass fraction of the third stream distributed to each of the previous reaction zones. This method allows to increase the yield of C5+ hydrocarbons, enhance n-hexane and n-heptane conversion, reduce benzene content in the product, avoid recycling of gaseous products and decrease consumption of oxygenates. 1 independent claim and 35 dependent claims in the formula, 12 examples, 7 tables.

Disclosed herein are methods and systems for producing hydrocarbon products through ebullated bed reactor platforms, where the feedstock to the ebullated bed reactor for hydrotreatment may be a renewable feedstock, circular feedstock, and or a blend of renewable and circular feedstocks. The disclosed methods and processes include a recycle pump system within the ebullated bed reactor vessel. This internal recycle dilutes olefins, thereby mitigating explosive olefin hydrogenation without limiting the flow of fresh feedstock to the ebullated bed reactor.