904results about "Bio-feedstock" patented technology

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 is provided for upgrading low value lipid feedstocks for refinery processing. The process includes (a) treating a lipid feedstock comprising at least one fatty acid with a metal oxide catalyst on an oxide support under treating conditions to produce a treated stream, wherein the treating conditions include a temperature in a range of from 400° C. to 700° C.; a pressure in a range of from 0 to 10 MPa; and a liquid hourly space velocity in a range of from 0.1 to 10 h−1; and (b) fractionating the treated stream to obtain a gaseous fraction and a liquid fraction comprising a bio-oil; wherein the bio-oil has a lower content of oxygen and impurities as compared to the lipid feedstock.

A reactor system includes a reactor that treats a lipid feedstock using a metal oxide catalyst to produce a treated stream comprising a bio-oil. The metal oxide catalyst includes catalyst particles having a diameter of 0.01 to 0.5 mm. The metal oxide catalyst can comprise calcium on alumina. The bio-oil has an increased proportion of transportation fuels relative to other techniques for processing lipid feedstocks.

A process is provided for upgrading low value lipid feedstocks for refinery processing. The process includes (a) treating a lipid feedstock comprising at least one fatty acid with a metal oxide catalyst on an oxide support under treating conditions to produce a treated stream, wherein the treating conditions include a temperature in a range of from 400° C. to 700° C.; a pressure in a range of from 0 to 10 MPa; and a liquid hourly space velocity in a range of from 0.1 to 10 h−1; and (b) fractionating the treated stream to obtain a gaseous fraction and a liquid fraction comprising a bio-oil; wherein the bio-oil has a lower content of oxygen and impurities as compared to the lipid feedstock.

The invention discloses a system and a method for producing biological aviation kerosene by using waste oil and belongs to the technical field of biological aviation kerosene preparation. The method comprises the following steps: (1) the waste grease and a magnetic catalyst loaded with ionic liquid are mixed and enter a suspended bed pre-hydrogenation reactor for reaction to obtain a pre-hydrogenation product, a carrier in the magnetic catalyst loaded with the ionic liquid is Fe3O4 magnetic particles coated with a silicon dioxide layer, and the ionic liquid is molybdenum-based ionic liquid; (2) separating the pre-hydrogenation product to obtain a primary hydrogenation product; (3) performing hydrogenation upgrading on the primary hydrogenation product to obtain an upgraded intermediate product; (4) separating the upgrading intermediate product to obtain a secondary hydrogenation upgrading product; and (5) carrying out hydroisomerization reaction on the secondary hydrogenation upgrading product to obtain the biological aviation kerosene. According to the method, the magnetic catalyst loaded with the ionic liquid is adopted to catalyze the waste grease, recycling can be achieved under the action of a magnetic field, the catalytic stability is high, and industrial stable production can be achieved without supplementing the catalyst.

The present invention discloses a method, device and application for producing aviation kerosene from methanol, and belongs to the field of petrochemical product processing technology. The method comprises: generating a methanol dehydration reaction product from a methanol raw material under the catalytic action of a first molecular sieve catalyst, separating and treating the methanol dehydration reaction product, and then mixing it with one or more of recycled fuel gas, recycled liquefied gas or recycled gasoline under the catalytic action of a second molecular sieve catalyst to generate a reaction oil gas, the reaction oil gas is fractionated to obtain a kerosene fraction, and the kerosene fraction is subjected to a hydrogenation and refining treatment to obtain aviation kerosene. The method for producing aviation kerosene using methanol as a raw material provided by the present invention has opened up a new way to produce aviation kerosene; the process flow is short and compact, and can effectively achieve energy conservation and emission reduction.

A rotary bladed apparatus (100) for processing feedstocks in a process fluid is provided, said apparatus comprises means for adjusting position of a working blade cascade of the rotor (3) relative to stator components (2, 4) in a longitudinal direction of a rotor shaft (1). Adjustment is performed through axial displacement of the rotor (3) or, alternatively, through axial displacement of the reactor housing (22 A, 32A). A method for improving process efficiency and for regulating flow losses during processing of feedstocks in a process fluid, in particular, in off-design conditions in the bladed apparatus (100) is further provided. In embodiments, processing of feedstocks includes thermal- or thermochemical cracking of hydrocarbon-containing feedstock.

Processes and systems for making recycle content hydrocarbons, including olefins, from recycled waste material. Recycle waste material may be pyrolyzed to form recycle content pyrolysis oil composition (r-pyoil), at least a portion of which may then be cracked to form a recycle content olefin composition (r-olefin). The r-olefin may then be further separated into product streams in a separation zone downstream of the cracker furnace. The presence of recycle content hydrocarbons may facilitate more efficient operation of one or more distillation columns in the separation zone, including the propylene fractionator.

Systems and methods are provided for production of renewable jet fuel and / or jet fuel blending component fractions using a single stage reaction system. Although only a single separation stage is used, the systems and methods can reduce or minimize the volume of feedstock that is exposed to hydrocracking conditions while still producing a jet boiling range fraction having beneficial cold flow properties.

The invention relates to the technical field of biological aviation kerosene, and discloses a process for preparing biological aviation kerosene from waste grease. The method comprises the following steps: introducing waste oil into a hydrofining reactor, introducing hydrogen, carrying out a hydrodeoxygenation reaction under the catalysis of a hydrogenation catalyst, carrying out a reaction on the obtained hydrodeoxygenated oil in an isomerization pour point depressing reactor, and finally carrying out isomerization hot high-pressure separation treatment, isomerization cold high-pressure separation treatment and rectification tower segmentation to obtain the biological aviation kerosene. The specific surface area of a carbon matrix of the hydrogenation catalyst is large, the void structure is rich, a large number of Ni-Mo-P active catalytic centers can be exposed, precious metals such as platinum and ruthenium do not need to be added, the hydrodeoxygenation reaction efficiency of waste oil and fat is remarkably improved, the mass fraction of branched paraffin and cycloparaffin in biological aviation fuel is high, and the combustion performance is better.

A process for improving yield of kerosene and / or diesel from a renewable feedstock involves hydrotreating a renewable feedstock and hydroisomerizing the hydrotreated liquid. The isomerized effluent is separated to produce an offgas stream, at least one fuel stream having a desired boiling point range, and a heavy fraction having a boiling point greater than the desired boiling point range. The heavy fraction is passed to a hydrocracking zone to produce a hydrocracked effluent. The hydro-cracked effluent is passed to the hydroisomerization zone.

A recycle content ethylene is fed to a reactor to make propionaldehyde having recycle content. The recycle ethylene feedstock is derived directly or indirectly from the cracking of recycle content pyrolysis oil. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.

The invention discloses a novel catalyst NiW / Ti-USY for hydrodeoxygenation. The novel catalyst comprises a modified molecular sieve carrier, active metal and auxiliary metal, wherein the active metal and the auxiliary metal are loaded on the modified molecular sieve carrier; the active metal is Ni metal; the auxiliary agent metal is W metal; the modified molecular sieve carrier is a Ti-USY carrier obtained by carrying out TiO2 composite modification on a carrier USY; wherein the loading capacity of the NiW metal on the Ti-USY carrier is 10 to 35 weight percent, and the loading capacity of the Ti metal in the Ti-USY carrier is 6 to 12 weight percent. The catalyst has the advantages of high catalytic activity, high selectivity of biological aviation kerosene components (C8-C16), high yield and good stability.

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 recycle content ethylene is fed to a reactor to make propionaldehyde having recycle content. The recycle ethylene feedstock is derived directly or indirectly from the cracking of recycle content pyrolysis oil. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.

A process for the production of sustainable aviation fuel (SAF) with low carbon intensity. The jet fuel is produced from the reaction of hydrogen from the electrolysis of water with captured carbon dioxide. The hydrogen and carbon dioxide are reacted to product a stream comprising carbon monoxide. Hydrogen and carbon monoxide are reacted to produce n-alkanes. Alkanes are hydroisomerized to produce sustainable aviation fuel with low carbon intensity.

Disclosed are a fluidized bed separation method and device for methanol-to-olefins quenched water. The method may subject quenched water to liquid-solid separation via a micro-cyclone separator. The method may also subject clear liquid from the micro-cyclone separator to a secondary separation via a fluidized bed separator, then sending the same to an olefin separation device, then recovering some waste heat of the quenched water, and then returning the same to a quenching tower after performing heat exchange. The method may also regenerate a separation medium by reversely feeding stripping tower purified water or quenched water, so as to release catalyst particles absorbed by the separation medium. The method may also send a catalyst slurry concentrated by the micro-cyclone separator and the fluidized bed separator to a filter-press unit for filter-press dehydration, so as to recover a catalyst.

The present technology relates to biofuels, and more particularly, to biomass-based diesel from olefin oligomers. Diesel fuels with cetane number of 49 or greater are prepared by blending hydrocarbons produced by olefin oligomerization with renewable diesel, resulting in a blended fuel that has a lower cloud point than the cloud point of the renewable diesel. A different aspect relates to an integrated process for lipid HDO and olefin oligomerization wherein the propane coproduct of lipid HDO is subjected to dehydrogenation to produce a vapor stream having propylene and hydrogen. The propylene is subsequently oligomerized to iso-olefins and the iso-olefins are combined with the lipid feed for hydrogenation in the HDO reactor.

The invention discloses anti-coking and stable-operation equipment for producing aviation fuel and co-producing chemical raw materials from waste biomass. Comprising a low-energy-consumption second-level biomass drying coupling pyrolysis quality-divided conversion biomass crude oil unit, a biomass crude oil suspended bed deoxidation upgrading conversion low-oxygen bio-oil unit and a low-oxygen bio-oil molecular fixed bed reconstruction conversion hydrocarbon aviation fuel unit, by arranging a flash reaction hot start mechanism capable of realizing step temperature rise coke suppression and online switching decoking, a coking reaction time point is quickly crossed, a coking position is transferred, and coking risk space-time decoupling and long-period stable operation of a device for producing aviation fuel and co-producing chemical raw materials from waste biomass are realized. A coupling hydrogen and heat self-sustaining operation mode is adopted in the whole process, self-supply of drying heat and upgrading hydrogen is achieved, and the problem that the external source cost is high is solved. The invention also provides an anti-coking and stable-operation method for producing aviation fuel and co-producing chemical raw materials from waste biomass.

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.

A slurry reactor system including a slurry reactor configured to convert, under slurry hydroconversion conditions, a slurry reactor content flowing upwards and containing a feedstock including one or more of fats, oils and greases, a slurry hydroconversion catalyst and a hydrogen stream to a slurry hydroconversion effluent containing a slurry phase effluent including catalyst particles and a liquid product and a vapor phase effluent including a hydroconversion product, and a separation unit internal to the slurry reactor, the separation unit being configured to separate at least a portion of the vapor phase effluent from the slurry hydroconversion effluent to produce a mixture of vapor and the slurry hydroconversion effluent having a reduced vapor phase content. The separation unit is configured to use a pump to recirculate the mixture of vapor and the slurry hydroconversion effluent flowing downwards in the slurry reactor to be combined with the slurry reactor content.

The invention relates to the technical field of aviation fuel preparation, and particularly discloses a device and method for preparing sustainable aviation fuel from waste grease. The device comprises a hydrogenation reactor and a smoke exhaust pipe, and a first cleaning device is arranged in the smoke exhaust pipe; the filter plate is in sliding fit with the interior of the smoke exhaust pipe and used for cleaning impurities on the inner wall of the smoke exhaust pipe, the driving mechanism is used for driving the filter plate to slide, the filter plate comprises a fixed part and an elastic part, the elastic part is made of an elastic material, and an expansion pipe communicated with the smoke exhaust pipe is arranged at the end, away from the hydrogenation reactor, of the smoke exhaust pipe. The size of the expansion pipe is larger than that of the smoke exhaust pipe, a second cleaning device used for cleaning impurities on the filter plate is arranged in the smoke exhaust pipe, in the initial state, the elastic part is bent, and when the driving mechanism drives the filter plate to move to the expansion pipe, the elastic part stretches and drives the second cleaning device to clean the two side faces of the filter plate; the device has the effect of improving the discharging efficiency of high-temperature flue gas.

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.

Systems and methods are provided for production of renewable jet fuel and / or jet fuel blending component fractions. The systems and methods provide for formation of jet boiling range fractions via hydrodeoxygenation and catalytic dewaxing of bio-derived feeds. The systems and methods for reducing or minimizing recycle and / or forming only a jet boiling range product and a lower boiling range product can be facilitated based on selection of a suitable feedstock and / or based on selection of suitable reaction conditions and catalyst for the catalytic dewaxing.

The invention belongs to the technical field of biodiesel and bio-based lubricating oil. The method comprises the following steps: reacting grease, aromatic hydrocarbon and a zeolite molecular sieve catalyst at a certain temperature for a period of time, then distilling and separating to obtain aryl grease, and finally co-producing biodiesel and hydrocarbon lubricating oil components by adopting a hydrodeoxygenation method. The preparation method provided by the invention avoids the use of fossil energy, solves the problem of complex synthesis steps of bio-based lubricating oil, and has important significance on high-value utilization of biomass resources.

The invention discloses a co-catalytic cracking method for biomass oil and heavy oil, which comprises the following steps: firstly, adding alkaline earth metal salt and a ligand compound into water, mixing, heating to 70 DEG C, reacting at a constant temperature, and filtering to obtain an alkaline earth metal complex; adding an alkaline earth metal complex into the biomass oil, stirring and mixing, reacting the alkaline earth metal complex serving as a deoxidizing agent with phenolic substances in the biomass oil to form a metal-phenol complex, adding an extracting agent after the reaction, uniformly mixing, dissolving the metal-phenol complex into the extracting agent, and layering the solution; and uniformly mixing the treated layered solution with heavy oil, and carrying out catalytic cracking under the action of a catalyst. The alkaline earth metal complex not only can remove oxygen-containing compounds in the biomass oil, but also can effectively resist heavy metal pollution of heavy oil and strengthen the activity of the catalyst, so that the light oil yield is remarkably increased, the proportion of coke to dry gas is reduced, the formation of coke is reduced, and the economical efficiency and environmental friendliness of the catalytic cracking process are greatly optimized.

The present invention relates generally to the generation of bio-products from organic matter feedstocks. More specifically, the present invention relates to improved methods for the hydrothermal / thermochemical conversion of lignocellulosic and / or fossilized organic feedstocks into biofuels (e.g. bio-oils) and / or chemical products (e.g. platform chemicals).

Disclosed is a process for producing a jet fuel, comprising a step of converting an alcohol stream in a fluidized bed, a jet fuel and a plant associated with said process. The process involves the following steps:(a) converting a C1 to C6 alcohol stream to produce a mixture containing paraffins, olefins, aromatics, and water;(b) separating water from the mixture;(c) oligomerizing olefins; and(d) alkylating aromatics from the mixture;(e) forming a stream of hydrocarbons to be hydrogenated;(f) hydrogenating the stream of hydrocarbons to be hydrogenated;(g) recovering at least one jet fuel fraction from the hydrogenated hydrocarbon stream.Conversion step (a) is carried out in a reaction zone comprising at least one fluidized catalytic bed.In the mixture of paraffins, olefins, aromatics and water produced in conversion step (a), the ratio of the mass of C3+ olefins to the total mass of olefins is greater than or equal to 0.8.

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.