27 results about "Distillates petroleum" patented technology

The invention belongs to the technical field of petroleum processing, and particularly relates to a catalyst and a preparation method and application thereof. The raw materials of the catalyst comprise a metal active component, a carrier and an auxiliary agent, the metal active component is sulfides of Mo and Ni elements, the carrier is spherical gamma-Al2O3 of 0.5-1 mm, and the auxiliary agent is P; the carrier is modified by using the metal active component and the auxiliary agent to serve as the catalyst. The high-activity catalyst is synthesized by adopting the strategy of changing the roasting temperature, adding the additive for doping modification and changing the molar ratio of metal active components, the additive is combined with surface aluminum atoms, the framework strength is enhanced, pore channel collapse caused by acid / water erosion is reduced, the water resistance and acid resistance of the catalyst are improved, and the catalytic reaction activity is further improved. The catalyst disclosed by the invention is accurate and controllable in structure, can be synthesized in batches, and can be applied to the co-catalytic hydrogenation process of biomass pyrolytic oil and / or a model compound thereof and petroleum distillate oil and / or VR.

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.

This invention provides a titanium-aluminum composite support and its preparation method, a hydrogenation catalyst, and a hydrogenation catalyst for heavy petroleum distillate oil. The preparation method of the titanium-aluminum composite support includes mixing a mixture of an aluminum source, a titanium source, and a template agent with a mixture of water, alcohol, and acid to obtain a wet gel; subjecting the wet gel to supercritical CO2 drying and calcination to obtain the titanium-aluminum composite support. This invention also provides a hydrogenation catalyst made from the above-mentioned titanium-aluminum composite support. Furthermore, this invention provides a hydrogenation catalyst for heavy petroleum distillate oil comprising the above-mentioned hydrogenation catalyst. The above-mentioned titanium-aluminum composite support has a mesoporous structure with a concentrated pore size distribution, and the hydrogenation catalyst made from this titanium-aluminum composite support exhibits high denitrification activity in the hydrogenation process of coking wax oil.

Aqueous treatment compositions for crude oil and / or petroleum distillates to remove sulfur compounds therefrom and treatment methods using such compositions are disclosed. The composition has less than 0.5% wt / wt di- or tri-benzohydroxy compound, a strong base, less than 1% wt / wt divalent metal gluconate, a balance of water, and a pH that is 9 or greater. The treatment method includes adding said treatment composition to crude oil or a petroleum distillate to form a mixture having 0.001% to 0.02% wt di- or tri-benzohydroxy compound / wt oil and 0.001% to 0.03% wt divalent metal gluconate / wt oil and mixing the same together.

A method for determining a viscosity of undefined petroleum fractions includes obtaining an experimental data set representing a viscosity of a fluid in a well. The method also includes determining a correlation of the viscosity. The method also includes determining a discontinuity in the correlation. The method also includes generating synthetic extrapolation data based upon the discontinuity. The method also includes determining a resulting correlation based upon the synthetic extrapolation data and a training portion of the experimental data set. The method also includes determining the viscosity of undefined petroleum fractions of the fluid in the well based at least in part on the resulting correlation.

The invention relates to a method for hydrodesulfurisation of a petroleum fraction, wherein the petroleum fraction is brought into contact with hydrogen and a catalyst, the catalyst comprises an oxide support, sulfur and an active phase comprising at least one group VIB metal and at least one group VIII metal, the catalyst containing, inter alia, a graphitic material containing carbon and hydrogen, the carbon content, expressed for the element carbon, being between 5 and 20% by weight with respect to the weight of the catalyst and the atomic ratio H / C is less than 1.4, the graphitic material not containing oxygen.

This invention relates to a method for fitting oil distillation curves, comprising the following steps: measuring the distillation temperature at which the volume fraction of the oil distillate is , obtaining the two-dimensional variables of the distillation curve, namely the volume fraction and the distillation temperature; based on (,), using cubic spline interpolation to obtain the distillation curve I of the oil fraction, approximately reading and ; according to the API model and the adjacent distillation temperature conversion formula, based on , obtaining ; according to the API model and the adjacent distillation temperature conversion formula, based on , obtaining ; based on the distillation temperature, using cubic spline interpolation to obtain the distillation curve II, approximately reading (,), substituting and into the objective function; re-approximating (,), repeating the above steps to obtain and with smaller values ​​and closer to the actual oil distillation temperature, and using cubic spline interpolation to obtain the oil distillation curve based on (,). The method of this invention can more accurately fit the distillation curve of the oil fraction, providing higher accuracy for predicting oil fractions.

A method for determining a viscosity of undefined petroleum fractions includes obtaining an experimental data set representing a viscosity of a fluid in a well. The method also includes determining a correlation of the viscosity. The method also includes determining a discontinuity in the correlation. The method also includes generating synthetic extrapolation data based upon the discontinuity. The method also includes determining a resulting correlation based upon the synthetic extrapolation data and a training portion of the experimental data set. The method also includes determining the viscosity of undefined petroleum fractions of the fluid in the well based at least in part on the resulting correlation.

The present application relates to a kind of polycyclic condensed aromatic hydrocarbon determination method in asphalt and asphaltene-containing petroleum fraction.The method steps are: the sample with weight m1 is removed asphaltene, as intermediate sample, placed in separating funnel F1;DMSO is added in F1, extract is placed in separating funnel F2, raffinate is left in F1;DMSO is added to F1, extract is combined in F2, raffinate is left in F1;Cyclohexane, sodium chloride aqueous solution and alcoholic solvent are added in F2, extract is mixed system F3, raffinate is combined in F1;Cyclohexane is added to F3, extract is placed in container C1, raffinate is combined in F1;Sodium chloride aqueous solution is added to F1, extract is combined in C1;Raffinate is left in F1;Step 7, remove cyclohexane solvent, the weight of remaining substance m2;The ratio of m2 and m1 is calculated, and the content of PCA is obtained.The present application improves analysis accuracy and efficiency.

The present application relates to the field of petroleum component separation, discloses a kind of composition, eutectic solvent and its preparation method and application, the method for extracting and separating aromatic hydrocarbon in petroleum fraction.A kind of composition, the composition includes 1-ethyl pyridine chloro salt and acetylenic acid;Wherein, the molar ratio of 1-ethyl pyridine chloro salt and acetylenic acid is 0.5-5:1.The eutectic solvent prepared by the specific composition disclosed in the present application is used to extract and separate aromatic hydrocarbon in petroleum fraction, and there is basically no solvent residue in the raffinate obtained, the subsequent aromatic hydrocarbon separation method is simple, the extraction effect is obviously improved;And compared with the existing commonly used extraction solvent, it has higher aromatic hydrocarbon selectivity.

This invention belongs to the field of petroleum and petroleum fraction refining, specifically relating to a method for recovering trifluoromethanesulfonic acid during the production of rubber plasticizers. The method involves adding a certain mass of extractant to a rubber plasticizer containing trifluoromethanesulfonic acid, heating to a certain temperature for stirring and extraction, and after extraction, mixing the upper layer with light hydrocarbons, separating the light hydrocarbon phase, and distilling the remaining solvent phase to recover the extractant, thereby obtaining the recovered trifluoromethanesulfonic acid.

The present invention relates to a hydrodesulfurization process of petroleum distillates, wherein a petroleum distillate is contacted with hydrogen and a catalyst, said catalyst comprising an oxidic support, sulfur and an active phase, said active phase comprising at least one metal of group VIB and at least one metal of group VIII, said catalyst comprising in particular a graphitic material comprising carbon and hydrogen, the carbon content expressed in carbon element being comprised between 5 and 20% by weight relative to the weight of the catalyst, the H / C atomic ratio being less than 1.4, said graphitic material being free of oxygen.

The present invention discloses a method for predicting the carbon-hydrogen ratio of oil products based on average boiling point and specific gravity. The method comprises the following steps: using a temperature parameter derived from the average boiling point and a density parameter derived from the specific gravity to regress and establish a formula for estimating the carbon-hydrogen ratio of a petroleum fraction; modifying the regression formula to obtain a carbon-hydrogen ratio model for the petroleum fraction; performing a goodness-of-fit test on the model; and establishing a method for estimating the carbon-hydrogen ratio of the petroleum fraction. The estimation method provided by the present invention establishes a carbon-hydrogen ratio estimation model for the petroleum fraction, predicts unknown carbon-hydrogen ratio properties of the petroleum fraction, and provides highly accurate estimation results. The method is applicable to fields such as oil product carbon-hydrogen ratio estimation, process simulation and optimization calculations, and device product quality inspection.

A stable blend is provided of petroleum bottom distillation column (ATB) feedstock and 1 to 20% by weight of plastic based on the weight of the blend, wherein the plastic includes polyethylene and / or polypropylene, and the plastic in the blend includes finely dispersed microcrystalline particles having an average particle size of 10 to less than 100 microns. A method is also provided for preparing a stable blend of plastic and petroleum, comprising mixing the petroleum feedstock with the plastic containing polyethylene and / or polypropylene, and heating the mixture to a temperature above the melting point of the plastic but below 500°F. The liquid blend of the plastic molten material and the petroleum feedstock is then cooled to a temperature below the melting point of the plastic while mixing.

This invention relates to a method and system for the resource utilization of petroleum coke, belonging to the field of petroleum fractionation technology. The method includes the following steps: calcining a first portion of petroleum coke to obtain high-temperature flue gas and calcined coke; pyrolyzing a second portion of petroleum coke using the high-temperature flue gas as a heat source to obtain pyrolytic coke, pyrolytic gas, and low-temperature flue gas; mixing the pyrolytic coke with the first portion of petroleum coke for calcination; condensing the pyrolytic gas to obtain tar; using the low-temperature flue gas as a heat source, hot-pressing the calcined coke, coal tar pitch, and tar as raw materials to prepare a prebaked anode; and calcining the hot-pressed prebaked anode using the condensed pyrolytic gas as fuel to obtain the prebaked anode product. The high-temperature flue gas generated from the calcination of the first portion of petroleum coke is used for the pyrolysis of the second portion of petroleum coke; the residual gas phase after condensation of the pyrolytic gas is used in the calcination process of the prebaked anode. This method achieves multi-stage utilization of petroleum coke, high-temperature flue gas, and pyrolytic gas, resulting in energy-saving effects.

The application discloses a distillate oil hydrofining catalyst and a preparation method and application thereof. The distillate oil hydrofining catalyst comprises a catalyst carrier and an active component. The catalyst carrier comprises phosphorus-modified SBA-15 molecular sieve and / or titanium-modified SBA-15 molecular sieve. The active component comprises Group 6B metal oxide and / or Group 8 metal oxide. The catalyst is suitable for the hydrofining of petroleum distillate oil at 150 DEG C to 400 DEG C, and is particularly suitable for the hydrofining of catalytic cracking hydrogen circulation oil with high contents of sulfur, nitrogen and aromatic hydrocarbons and low cetane number. The catalyst can reduce the contents of sulfur, nitrogen and aromatic hydrocarbons under relatively mild hydrofining conditions, and greatly improves the cetane number of products.

The present application relates to the field of petroleum distillate separation, discloses a kind of composition, eutectic solvent and its preparation method and application, the method for extracting and separating aromatic hydrocarbon in petroleum distillate.A kind of composition, the composition includes 1-ethyl-3-methyl imidazole halogen salt and 1-vinylimidazole;Wherein, the molar ratio of 1-ethyl-3-methyl imidazole halogen salt and 1-vinylimidazole is 0.2-5:1.The eutectic solvent prepared by the composition disclosed in the present application is used for extracting and separating aromatic hydrocarbon in petroleum distillate, and there is basically no solvent residue in the raffinate obtained, the subsequent aromatic hydrocarbon separation method is simple, the extraction effect is obviously improved;And compared with the existing commonly used extraction solvent, it has higher aromatic hydrocarbon selectivity.

Pelletized products and processes for making same. In some embodiments, the pelletized product can include a plurality of ore particles and a binder. The binder can include bentonite and at least one of a cationic polyacrylamide copolymer and an anionic acrylamide sodium acrylate copolymer. The cationic polyacrylamide copolymer, if present, can include polymer units derived from four monomers. The anionic acrylamide-sodium acrylate copolymer, if present, can be in the form of a mixture comprising the anionic acrylamide sodium acrylate copolymer, water, and hydrotreated light petroleum distillates.

The embodiment of the invention relates to coal biofuel as well as a preparation method and application thereof. The coal biofuel comprises the following components in percentage by mass: 3%-8% of polyol heavy component treating fluid, 2%-5% of biodiesel treating fluid, 30%-45% of coal-based diesel oil, 25%-50% of petroleum distillate oil with the temperature of 180-300 DEG C, 5%-10% of coal-based diesel oil with the temperature of 180-300 DEG C and the balance of water. The mass ratio of the petroleum distillate oil at 180-360 DEG C is 12-20%; and the mass ratio of the high-boiling-point aromatic hydrocarbon solvent is 2-5%. According to the coal biofuel provided by the embodiment of the invention, the resource consumption of oil and gas can be reduced, the traditional energy structure is improved, the energy safety is improved, and the environmental pollution is reduced. Moreover, the coal biofuel is convenient to use, the key indexes of the coal biofuel are superior to the national standard of diesel oil, and the coal biofuel can completely replace the diesel oil.

The present invention provides a system for treating heavy oil-invaded drilling fluid and a preparation method thereof, and belongs to the technical field of crude oil extraction process. The present invention adopts an oil-based aromatic dispersant, a water-based drilling fluid and a stabilizer to form a composite system. By selecting a petroleum fraction with an aromatic hydrocarbon content of not less than 20% as an oil-based aromatic dispersant, adding it to a solid-phase-free water-based drilling fluid, adding a stabilizer at the same time, and fully stirring and mixing to form a stable system, the system improves the dispersion state of the heavy oil in the drilling fluid, maintains the rheological properties of the drilling fluid, and ensures that the drilling process proceeds smoothly. All raw materials of the present invention are widely available, low in price, simple to prepare, and the composite system has a low cost. By using the composite system of the present invention as a drilling fluid, the heavy oil can be highly dispersed in the drilling fluid, and the heavy oil can be prevented from agglomerating or clumping. The diameter of the dispersed heavy oil particles is ≤1mm, and the drilling fluid performance can be appropriately adjusted to meet drilling requirements.

This invention relates to the field of petroleum and petroleum fraction refining technology, and particularly to a method for preparing aromatic rubber oil. The preparation method includes: S1: mixing a feedstock oil with a primary extractant, performing a primary extraction to obtain a primary extract and a primary raffinate; S2: mixing the primary extract with a secondary extractant, performing a secondary extraction to obtain a secondary extract and a secondary raffinate; wherein the primary extractant includes a polar aprotic solvent, and the secondary extractant includes light hydrocarbons; the feedstock oil includes one or more of paraffinic vacuum distillate oil, intermediate-based vacuum distillate oil, and naphthenic vacuum distillate oil. This invention introduces light hydrocarbons as back-extraction agents into the vacuum distillate oil system to achieve the separation of polycyclic aromatic hydrocarbons and light aromatic hydrocarbons, ultimately obtaining an extract oil with an aromatic hydrocarbon extraction rate and aromatic content as high as 80%, which is beneficial for high-carbon rubber oils. A The production of environmentally friendly aromatic oils.

This invention provides a hydrogenation catalyst, its preparation method, and its application. The hydrogenation catalyst comprises a support and an active component and an auxiliary agent supported on the support, wherein the support is TiO₂ with an ordered mesoporous structure. 2 -Al 2 O 3 The composite oxide comprises an oxide of a Group VIB metal and an oxide of a Group VIII metal, and the auxiliary agent is an oxide of metal Ge or Ga. The hydrotreating catalyst exhibits excellent hydrodesulfurization performance and is suitable for hydrotreating petroleum distillate oils, particularly for deep hydrodesulfurization of low-quality diesel oil.

A simple chemical treatment method for low oxygen content HTL biological crude oil has been developed. The process reduces the organic acid content by reacting HTL bio-crude oil with alcohols without the need for a hydrotreating catalyst or hydrogen source, thereby improving the stability of the bio-crude oil and compatibility with petroleum fuels or petroleum fractions, such as marine fuels or co-processing feedstocks in commercial refineries.

The invention discloses a high-elasticity asphalt self-healing capsule and a preparation method thereof. The high-elasticity asphalt self-healing capsule is composed of a calcium alginate / elastomer composite capsule wall and a high-viscosity regenerant capsule core, the mass ratio of the sodium alginate to the elastomer in the composite capsule wall is 10: (0.5-2), and the mass ratio of the high-viscosity regenerant to the sodium alginate is (0.1-0.33): 1; the elastomer is one of rubber powder, nitrile rubber, thermoplastic polyurethane and a styrene-butadiene-styrene block copolymer; the high-viscosity regenerant is one of aromatic oil, high-aromatic mineral oil and heavy petroleum fraction, and the kinematic viscosity at 25 DEG C is 80-130 mPas; through the asphalt self-healing capsule with the characteristic of high elasticity, the elastic property of the asphalt pavement is improved, the strain adaptation interval is widened, frost heaving deformation is effectively buffered, load fatigue stress is resisted, temperature shrinkage deformation is adapted, base layer reflection stress is relieved, and the occurrence rate of various cracking diseases is reduced from the source.

The invention relates to a method for capturing organometallic impurities in a gasoline-type hydrocarbon feedstock containing sulfur compounds and olefins, wherein said feedstock is brought into contact with hydrogen and a capture mass comprising a nickel-based active phase, and a mesoporous and macroporous alumina substrate having a bimodal distribution of mesopores and wherein: —the volume of mesopores having a diameter greater than or equal to 2 nm and less than 18 nm corresponds to between 10 and 30% by volume of the total pore volume of said substrate; —the volume of mesopores with a diameter greater than or equal to 18 nm and less than 50 mm corresponds to between 30 and 50% by volume of the total pore volume of said substrate; the volume of macropores having a diameter greater than or equal to 50 nm and less than 8000 mm corresponds to between 30 and 50% by volume of the total pore volume of said substrate.

Processes for rapidly and accurately predicting the fouling potential of a heavy petroleum fraction in a commercial refinery, informing the selection of one or more interventions to prevent or decrease the rate of said fouling. The process utilizes several specialized 13C Nuclear Magnetic Resonance procedures to more accurately quantify tertiary and quaternary bridgehead aromatic carbon in the heavy petroleum fraction This permits more accurate calculation of a Condensation Index for the heavy petroleum fraction to more accurately predict fouling potential of the fraction. When the condensation index is at or above a threshold value, the process implements one or more responses to improve operational efficiency of the commercial refinery.

The present disclosure provides methods for producing poly (hydroxyalkanoates) by fermenting a petroleum-derived carbon source with biomass. The petroleum-derived carbon source consists of (1) a mixture of petroleum fractions wherein at least 90% by weight of the petroleum fraction has a boiling point above 400 DEG C, or (2) at least 5% by weight of at least one polycyclic aromatic compound.