336results about "Bio-feedstock" patented technology

Some examples herein provide a method of processing a feedstock. The feedstock may be flowed into a reactor. A catalyst may be flowed into the reactor. Within the reactor, the feedstock may be converted over the catalyst, at an average reaction temperature, to a product stream. The product stream may be withdrawn from the reactor. A stream of the catalyst may be withdrawn from the reactor. Said stream of the catalyst may be heated to a temperature above the average reaction temperature without exposing the catalyst to any air or other oxidants. The heated stream of catalyst may be returned to the reactor at a temperature higher than the reaction temperature, to obtain the average reaction temperature within the reactor.

The application provides a continuous hydrogenation-isomerization method capable of meeting the treatment requirements of biological oils, especially waste oils, using a homogeneous hydrogenation process with strong adaptability to raw materials as a raw material pretreatment process, and matching a high-activity nanometer transition metal sulfide catalyst. On this basis, a catalytic distillation process is used for selective cracking of long-chain alkanes to improve the yield of medium and long-chain alkanes; an ultramicro flow hydrogen gas mixer and a reduced non-noble metal hydrogenation-isomerization catalyst are used to reduce the hydrogen / oil ratio and the energy consumption of the circulating hydrogen system, and to reduce the production cost of the catalyst, so as to finally realize efficient and low-carbon conversion of waste oils, and low-cost and high-selectivity preparation of biological aviation kerosene.

A composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content alpha olefin or by deducting from a recycle inventory a recycle content value applied to an alpha olefin composition. At least a portion of the recycle content value in the feedstock or in an allotment obtained by an alpha olefin manufacturer has its origin in recycled waste and / or pyrolysis of recycled waste and / or in thermal steam cracking of recycle content pyoil.

Methods and systems for converting a renewable fuel intermediate composition to finished transportation fuel are provided herein. In some examples, a renewable fuel intermediate composition is flowed over a first catalyst in a first reaction zone to generate a saturated, hydrodeoxygenated product. A liquid portion of the renewable fuel intermediate composition may be characterized as having more than about 70 wt % of the oxygen being within ketone groups. The saturated, hydrodeoxygenated product may be flowed over a second fixed-bed catalyst in a second reaction zone to generate a product including the finished transportation fuel.

A process for preparing an olefin stream for oligomerization includes fractionating the olefin stream to provide a light gas stream and an olefin-rich stream. Oxygenates are absorbed from the olefin-rich stream into a water wash stream to provide an oxygenate-rich water wash stream and a washed olefin stream. The washed olefin stream can then be oligomerized.

The present disclosure provides a process for upgrading solid biomass feedstocks into more useable products. The process includes introducing a solid biomass feedstock, a renewable liquid carrier, a slurry hydrocracking catalyst to a slurry hydrocracking zone in the presence of hydrogen and under slurry hydrocracking conditions to produce a slurry hydrocracking effluent comprising lighter hydrocarbonaceous products.

The present application belongs to the technical field of biological oil catalytic hydrogenation, and particularly relates to a bio-based oil-soluble molybdenum catalyst, a preparation method and application thereof. The preparation method of the bio-based oil-soluble molybdenum catalyst provided by the present application comprises: mixing a molybdenum source, a bio-based linear organic acid with a carbon atom number of 16 or more and an additive, heating and reacting, and separating to obtain the bio-based oil-soluble molybdenum catalyst; the additive is selected from at least one of tetrahydro naphthalene and decahydro naphthalene. The bio-based oil-soluble molybdenum catalyst green material obtained by the present application has optimal activity and high dispersibility when used, can realize more sufficient mixing with raw materials, forms nano high-dispersed molybdenum sulfide through sulfuration, and realizes high-efficiency hydrogenation refining of oil products through the joint action of hydrogen and sulfur, while reducing the sulfur, oxygen and metal residues in the product oil.

The present invention relates to a zeolitic material having an AEI-type framework structure comprising SiO2, Al2O3 and B2O3, wherein the Al:B molar ratio of the zeolitic material, is comprised in the range of from 3 to 500, and wherein the zeolitic material displays an Si:(Al+B) molar ratio of the zeolitic material, which is comprised in the range of from 2 to 11. The present invention also relates to a process for the preparation of the zeolitic material according to the present invention, to a process for the treatment of NOx by selective catalytic reduction and to an apparatus for the treatment of a gas stream containing NOx, as well as to the use of a zeolitic material according to the present invention.

The invention relates to a method and device for preparing low-carbon olefins, and the method comprises the following steps: S1, contacting raw oil with a catalytic conversion catalyst in a catalytic conversion reactor for catalytic conversion reaction to obtain a catalytic conversion reaction product; s2, separating the catalytic conversion reaction product to obtain ethylene and propylene as well as a first circulating olefin flow containing butene and / or a second circulating olefin flow containing C5 + olefin; s3, enabling the olefin material to enter an etherification unit, and contacting the olefin material with an alcohol raw material under an etherification condition to obtain a circulating ether material and etherified olefin; and S4, enabling at least one part of etherified olefin to enter an isomerization unit, and carrying out isomerization reaction in the presence of an isomerization catalyst to obtain isomerized olefin. According to the method disclosed by the invention, the conversion of ethers into low-carbon olefins can be realized, the yield and selectivity of ethylene and propylene are improved, the yield of methane is reduced, the content of methanol in the product is reduced to the greatest extent, and the conversion of low-cost methanol into low-carbon olefins is realized.

Disclosed herein are methods and systems for producing hydrocarbon products through reactor platforms utilizing a catalyst suspended in the reacting fluids, where the feedstock to the reactor 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. The disclosed methods and processes include catalyst recovery systems for recovering the suspended catalyst and returning it to the reactor feed.

To provide a reforming catalyst and a process for reforming methane and / or other hydrocarbons to produce a synthesis gas product comprising H2 and CO, with further downstream conversion to liquid hydrocarbons.SOLUTION: A process for producing C4+ hydrocarbons comprises the steps of: (a) bringing a gaseous mixture comprising methane and an oxidant into contact with a reforming catalyst in a reforming stage to produce a synthesis gas product; (b) converting H2 and CO in the synthesis gas product into hydrocarbons containing the C4+ hydrocarbons, which are supplied as Fischer-Tropsch (FT) products to a Fischer-Tropsch (FT) reactor; and (c) supplying the FT product containing the C4+ hydrocarbons to a finishing reactor to convert at least about 75% of the wax fraction's normal C20+ hydrocarbons into C4-C19 hydrocarbons.SELECTED DRAWING: Figure 3

The present technology provides compositions that include at least about 98 weight percent ("wt%") n-paraffins which, among other surprising features, may be suitable for use as a diesel fuel, an aviation fuel, a jet fuel blendstock, a blendstock to reduce the cloud point of a diesel fuel, a fuel for portable heaters, and / or as a charcoal lighter fluid. The composition includes at least about 98 wt% C7-C12 n-paraffins, where at least about 10 wt% of composition includes n-decane, at least about 20 wt% of the composition includes n-dodecane, and at least about 75 wt% of the composition includes even carbon number paraffins. The composition also includes less about 0.1 wt% oxygenates and less than about 0.1 wt % aromatics. The composition may be produced by a process that includes hydrotreating a biorenewable feedstock comprising at least one of palm kernel oil, coconut oil, babassu oil, microbial oil, or algal oil.

The application relates to a method for producing jet fuel from oil and fat raw materials, wherein the oil and fat raw materials are reacted with a hydrotreating catalyst in a hydrotreating reaction zone, the obtained liquid hydrocarbons are introduced into a first hydroisomerization reaction zone, an optional second hydroisomerization reaction zone is arranged, the obtained diesel oil fraction is recycled into the first hydroisomerization reaction zone or introduced into the second hydroisomerization reaction zone for reaction, and the reaction effluent is separated to obtain jet fuel. The application can produce high-quality biological jet fuel at a high yield.

The present invention discloses a method for treating a feedstock originating from a renewable source, the method comprising: a) a step of hydrotreating the feedstock in the presence of at least one fixed-bed catalyst, the catalyst comprising a hydrogenating function and an oxide support; b) a step of hydroisomerising at least one portion, and preferably all, of the hydrocarbon liquid effluent resulting from step a) in the presence of a bifunctional fixed-bed hydroisomerisation catalyst, the catalyst comprising a sulphide phase of at least one metal from group VIII in combination with at least one metal from group VIB of the periodic table and a support comprising a BEA-structure zeolite alone or mixed with a FAU-structure zeolite and at least one binder; and c) a step of fractionating the effluent resulting from step b) to obtain at least one gas oil fraction.

The utility model discloses a methanol-to-gasoline process system, which relates to the technical field of gasoline production, and comprises a fluidized bed reactor, a regenerator, a separator and a stripping tower, the top of the fluidized bed reactor is connected with the separator through a gas output pipeline, the bottom of the separator is provided with a liquid removal bag, and the liquid removal bag is connected with the lower end of the stripping tower; a first conveying pipeline and a second conveying pipeline are further connected between the bottom of the fluidized bed reactor and the bottom of the regenerator, a gas outlet of the separator and a gas outlet in the top of the stripping tower are jointly connected to the first conveying pipeline in parallel, and a gasoline separation tower is further connected to the bottom of the separator; the lower end of the fluidized bed reactor is connected with a methanol input pipeline. The device has the advantages of ingenious structure, few side reactions, good reaction efficiency, high yield and the like, and the catalyst in the system has the advantages of long service life, continuous production, low energy consumption, low production cost, high operation flexibility and easiness in large-scale production.

The invention belongs to the technical field of catalysts, and particularly discloses a bimetallic catalyst of a core-shell structure and a preparation method and application thereof.The bimetallic catalyst of the core-shell structure comprises an inner core and an outer shell, the inner core comprises a molecular sieve serving as a carrier and bimetallic nano-particles loaded on the molecular sieve, and the outer shell comprises the molecular sieve and bimetallic nano-particles loaded on the molecular sieve; the shell is a biochar shell coating the inner core, the bimetallic nanoparticles are composed of nano-sized Ni and a second metal M, and the second metal M is one of Mo, W, Co or Ti. The bimetallic catalyst with the core-shell structure provided by the invention has the advantages of stable structure, low cost, high activity and high selectivity, and the preparation method is simple.

The invention provides a catalyst for preparing aviation fuel oil through synergistic conversion of a biomass liquefaction light component and a coking diesel oil light component and a preparation method of the catalyst. According to the catalyst, multi-metal phosphate ZrHfTaP is used as a carrier, transition metal Ni and alkaline earth metals Ca, Mg, Ba and Sr are used as active components, the specific surface area of the catalyst is 121-226 cm < 2 > / g, the loading capacity of the catalyst Ni is 3-10 wt%, and the loading capacity of the alkaline earth metals is 15 wt%. The ZrHfTaP carrier is constructed through a coprecipitation method, a complexing agent assisted hydrothermal method is combined, a catalyst structure of the Ni semi-core-Ni alkaline earth metal interface transition layer-alkaline earth metal semi-shell loaded ZrHfTaP carrier is realized by regulating and controlling reaction conditions, and the problems that active metal is easy to inactivate and the selectivity of a target product is low are obviously solved. The catalyst is applied to the synergistic conversion process of biomass liquefaction light components and coking diesel oil light components, the yield of aviation fuel oil is 80%-95%, the efficient utilization rate of biomass carbon atoms is 70%-85%, and the obtained product meets the key quality index requirements of low-condensation aviation fuel.

A process for converting a carbon oxide into a renewable product, particularly a carbon oxide produced from the hydroconversion of a biofeedstock. The process comprises contacting a carbon oxide containing process stream with a catalyst system under catalytic conditions to convert the carbon oxide to non-carbon oxide products, wherein the catalyst system comprises a noble metal catalyst. The process may be used in an integrated process for producing a renewable fuel and a renewable product from a carbon oxide, the integrated process comprising a biofeedstock hydroconversion process and a carbon oxide deoxygenation process wherein a carbon oxide byproduct from the hydroconversion process is contacted with a catalyst system comprising a noble metal catalyst to produce a renewable product.

The utility model belongs to the technical field of gasoline desulfurization, and discloses a device for desulfurization in gasoline preparation, which comprises a reaction box, a gas pipe is fixedly connected to one end of the reaction box close to the top in a penetrating manner, a one-way valve is fixedly connected to a pipe body of the gas pipe, and an oil outlet valve pipe is fixedly connected to the other end of the reaction box close to the bottom in a penetrating manner. A desulfurization part is arranged on the reaction box; t-shaped long plates are stressed and can slide in an arc abutting groove in a limiting mode, then a rotating disc is driven to rotate in a positioning mode in a charging barrel, rotation of the rotating disc can drive two T-shaped blocks to slide in the arc sliding grooves in the opposite directions, and therefore partition plates installed on the two T-shaped blocks can be driven to synchronously conduct limiting translation in the opposite directions in a disc groove; therefore, gasoline or a catalyst in the charging barrels can be discharged without tight separation of the two partition plates, and the two charging barrels can alternately discharge materials intermittently due to back-and-forth swinging of the swing plates, so that the mixing effect and efficiency can be improved subsequently.

Provided is a method for upgrading a bio-based material, the method including the steps of pre-treating bio-renewable oil(s) and / or fat(s) to provide a bio-based fresh feed material, hydrotreating the bio-based fresh feed material, followed by separation, to provide a bio-propane composition.

The present disclosure relates to a hydrodeoxygenation catalyst and a method for preparing the same. Specifically, the hydrodeoxygenation catalyst includes a hydrogenation active component and a catalyst carrier. The hydrogenation active component includes one or more hydrogenation active metals including Pt, Pd, Rh, Ru, Ni, Co, Cu, or a combination thereof. The catalyst carrier is a solid solution composite oxide containing Al, Nb, Si, and O elements, and the catalyst carrier has the chemical formula (Nb2O5) x (Al2O3) y (SiO2) z (0.01 ≦ x ≦ 0.3, 0.01 ≦ y ≦ 0.1 and 0.6 ≦ z ≦ 0.98).

A process for preparing hydrocarbons from an oxygenated hydrocarbon feedstock, such as animal fat, containing many nitrogen impurities is described. The process involves hydrotreating the oxygenated feedstock in a first hydrotreating reactor and further hydrotreating in a second hydrotreating reactor, where a vapor phase is removed between the two reactors. The specific process setup effectively removes nitrogen impurities from the resulting hydrocarbon product, resulting in an improved cloud point after isomerization.

Proposed is a method for manufacturing aviation fuel, the method including preparing a feed, preparing an FT syncrude by subjecting the feed to a Fischer-Tropsch (FT) reaction, wherein the FT syncrude includes a first fraction and a kerosene fraction, the first fraction being a fraction with a boiling point range below that of kerosene, and the total content of the first fraction and the kerosene fraction in the FT syncrude being equal to or greater than 85 wt %, subjecting the first fraction to a reaction for increasing the boiling point, wherein the first fraction is converted to the second fraction, and the second fraction has a higher boiling point than the first fraction, and collecting aviation fuel from the kerosene fraction and the second fraction.

The invention provides a preparation method and application of an SAPO-34 molecular sieve. The preparation method of the SAPO-34 molecular sieve provided by the invention comprises the following steps: S1, carrying out first high-speed shear mixing on a used methanol-to-olefin catalyst, an aluminum source, a phosphorus source and an optional silicon source to obtain first gel; s2, performing second high-speed shearing mixing on the first gel and a template agent to obtain second gel; and S3, carrying out crystallization treatment on the second gel. According to the method provided by the invention, resource utilization of the main MTO catalyst after service can be realized, the problem of utilization of the MTO catalyst after service is efficiently and greenly solved, and meanwhile, the prepared SAPO-34 molecular sieve can still keep relatively high catalytic performance when being applied to a methanol-to-olefin reaction.

The invention discloses a hollow multilayer heterostructure catalyst for photo-thermal deoxidation of fatty acid and a preparation method. The inner layer of the catalyst is alloy nanoparticles of one or more of Ru, Pd, Au, Pt, Rh, Cu, Ni, Co and Ag, and the outer layer of the catalyst is a heterojunction formed by a metal organic framework material and one or two of TiO2 and C3N4. Metal or alloy is coated in a metal organic framework material, and then one or two of TiO2 and C3N4 are loaded on the outer surface of the metal organic framework material in a self-assembly or impregnation loading mode. The prepared catalyst is high in catalytic efficiency, capable of achieving efficient photo-thermal deoxidation of fatty acid to prepare alkane components, high in stability and wide in application range.

The utility model belongs to the technical field of methanol gasoline processing, and discloses special distillation catalytic modification equipment for methanol gasoline. Comprising a modification equipment main body, a fixing ring mounted on the inner wall of the modification equipment main body, a connecting column mounted on the fixing ring, a driving mechanism mounted on the connecting column, a rotating disc connected with the driving mechanism and a baffle connected with the connecting column, and a supporting net is fixed to the inner wall of the modification equipment main body; a connecting plate is connected to the supporting net, a feeding pipe is connected to the upper end of the modification equipment main body, a discharging pipe is connected to the lower end of the modification equipment main body, and a limiting assembly used for blocking the rotating disc is arranged on the baffle. The device has the effect of reducing the difficulty of aligning the turntable and the supporting net by a worker.

Disclosed are methods and systems for producing renewable fuels by upgrading a renewable hydrocarbon stream (e.g., a stream comprising C6-C12 aromatic hydrocarbons) by alkylating the renewable hydrocarbon stream with alkylating agents to produce an alkylated renewable hydrocarbon stream comprising C8-C24 aromatic hydrocarbons and hydrogenating the alkylated renewable hydrocarbon stream to produce a hydrogenated renewable hydrocarbon stream. The products can be used as renewable jet fuel and renewable diesel fuels, for example.

The invention provides a biofuel preparation device and method, the biofuel preparation device comprises a multifunctional hydrogenation reactor, a suspended bed reaction zone, a fluidized bed reaction zone and a gas-liquid separation zone are integrally arranged in a shell of the multifunctional hydrogenation reactor from bottom to top, and the suspended bed reaction zone is provided with a homogeneous slurry inlet and a lower liquid product outlet; a first reaction zone and a second reaction zone are arranged in the fluidized bed reaction zone; the first reaction zone and the second reaction zone are respectively provided with a microsphere catalyst feeding port, a microsphere catalyst discharging port and a hydrogen inlet; the gas-liquid separation area is provided with a gas outlet and an upper liquid product outlet; the gas outlet is connected with a hydrogen circulating system; and the microspherical catalyst outlet and the microspherical catalyst inlet are used for connecting a catalyst regeneration system. According to the biofuel preparation device provided by the invention, the whole hydro-conversion process from raw material pretreatment to deep refining to product separation is highly integrated and completed in one reactor.

A process and system for reducing contaminants contained within a contaminated feedstock includes mixing the contaminated feedstock with water and at least one of a metal scavenger or reactant to form a feedstock-water-reactant mixture; feeding the mixture under pressure into a hydrothermal purification reactor, where the mixture is exposed to heat, pressure, and turbulent flow conditions to cause rapid reaction of the inorganic contaminants with the metal scavenger or reactant to form inorganic salts that separate into the aqueous phase; maintaining the temperature, pressure, and turbulent flow conditions of the feedstock-water-reactant mixture for a predetermined space-time to prevent the organic portion of the feedstock in the mixture from undergoing conversion reactions and form a hydrothermal reactor effluent; and separating the effluent into an aqueous phase containing salts of the inorganic contaminants and an organic phase containing a lower concentration of inorganic contaminants than the contaminated feedstock.

An integrated facility for producing renewable diesel fuel or sustainable aviation fuel, or both, from carbon dioxide, including carbon dioxide, which is a by-product in the reaction of hydrogenated esters and fatty acids (HEFAs) with hydrogen to produce renewable fuel. HEFAs are hydrogenated to produce liquid fuel products, which may include water, CO and water, or CO2. It is integrated with an e-fuel process, which produces low-carbon hydrogen as required at various stages of the integrated process. Renewable or low-carbon electricity is used to convert water into hydrogen and oxygen within the electrolyzer. Carbon dioxide reacts with at least a portion of the hydrogen to produce a flow containing carbon monoxide, the carbon dioxide conversion rate of this flow being 50% to 100% per pass, preferably 60% to 100%, and more preferably 70% to 100%.