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This page is updated frequently with new Cracking-related patent applications. Subscribe to the Cracking RSS feed to automatically get the update: related Cracking RSS feeds. RSS updates for this page: Cracking RSS RSS


Methods of upgrading biooil to transportation grade hydrocarbon fuels

Date/App# patent app List of recent Cracking-related patents
09/25/14
20140288339
 Process and apparatus for producing diesel patent thumbnailnew patent Process and apparatus for producing diesel
A process and apparatus are disclosed for hydrocracking hydrocarbon feed in a hydrocracking unit and hydrotreating a diesel product from the hydrocracking unit in a hydrotreating unit. The hydrocracking unit and the hydrotreating unit share the same recycle gas compressor.
09/25/14
20140288338
 Methods of upgrading biooil to transportation grade hydrocarbon fuels patent thumbnailnew patent Methods of upgrading biooil to transportation grade hydrocarbon fuels
The present invention relates to the field of biomass derived fuels. It further relates to thermochemical production of liquids (biooils) from biomass.
09/25/14
20140288335
 Hydrocracking catalyst, method for producing same, and method for producing hydroxy compound using said catalyst patent thumbnailnew patent Hydrocracking catalyst, method for producing same, and method for producing hydroxy compound using said catalyst
The present invention provides a hydrocracking catalyst obtainable by mixing a metal compound (a) including any one metal of groups 3 to 11 of the periodic table, a compound (b) including at least one compound selected from the group consisting of a ruthenium oxide compound (b1) and a high-valence compound (b2) including any metal of groups 8 to 11 of the periodic table, and a metal oxide (c) including a metal of group 5, group 6 or group 7 of the periodic table, and conducting reduction treatment.. .
09/25/14
20140286702
 Detectable warnings patent thumbnailnew patent Detectable warnings
A detectable warning tile which aims to solve the problem of buckling and cracking associated with different thermal expansion properties of the tile and the substrate in which it is installed. Said tile is provided with underside flanges on only some of the outermost vertical surface of the tile.
09/18/14
20140277002
 Assisted cutting balloon patent thumbnailAssisted cutting balloon
A dilation balloon is wrapped in one or more patterns with a wire or braided material having diamond abrasive or other abrasive material bonded thereto. The wire or braided material is vibrated in one or more ways to enhance the cutting action of the wire abrasive.
09/18/14
20140275677
 Integration of residue hydrocracking and hydrotreating patent thumbnailIntegration of residue hydrocracking and hydrotreating
A process for upgrading residuum hydrocarbons is disclosed. The process may include: contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst in a first ebullated bed hydroconversion reactor system; recovering a first effluent from the first ebullated bed hydroconversion reactor system; solvent deasphalting a vacuum residuum fraction to produce a deasphalted oil fraction and an asphalt fraction; contacting the deasphalted oil fraction and hydrogen with a second hydroconversion catalyst in a second hydroconversion reactor system; recovering a second effluent from the second hydroconversion reactor system; and fractionating the first effluent from the first ebullated bed hydroconversion reactor system and the second effluent from the second hydroconversion reactor system to recover one or more hydrocarbon fractions and the vacuum residuum fraction in a common fractionation system..
09/18/14
20140275675
 Dual riser fluid bed process and reactor patent thumbnailDual riser fluid bed process and reactor
Processes and systems for cracking feeds to produce olefins are provided. The process for cracking feeds can include converting a first feed containing at least about 50 wt % methanol in a first riser under a first set of process conditions to produce a first effluent enriched in ethylene, propylene, or a mixture thereof, wherein the first effluent contains at least about 25 wt % dry basis propylene and converting a second feed containing c4-c10 light hydrocarbons in a second riser under a second set of process conditions to produce a second effluent enriched in ethylene, propylene, or a mixture thereof.
09/18/14
20140275673
 Process for producing light olefins and aromatics patent thumbnailProcess for producing light olefins and aromatics
A process for producing light olefins and aromatics, which comprises reacting a feedstock by contacting with a catalytic cracking catalyst in at least two reaction zones, wherein the reaction temperature of at least one reaction zone among the reaction zones downstream of the first reaction zone is higher than that of the first reaction zone and its weight hourly space velocity is lower than that of the first reaction zone, separating the spent catalyst from the reaction product vapor, regenerating the separated spent catalyst and returning the regenerated catalyst to the reactor, and separating the reaction product vapor to obtain the desired products, light olefins and aromatics. This process produces maximum light olefins such as propylene, ethylene, etc from heavy feedstocks, wherein the yield of propylene exceeds 20% by weight, and produces aromatics such as toluene, xylene, etc at the same time..
09/18/14
20140275672
 Systems and methods for temporary deactivation of hydrocracking catalyst patent thumbnailSystems and methods for temporary deactivation of hydrocracking catalyst
Methods and systems for idling a hydrocracker are provided. The method can include hydrocracking a hydrocarbon in the presence of a catalyst and hydrogen in a reactor to produce a hydrocracked product.
09/18/14
20140275671
 Method of producing aromatic hydrocarbons and olefin from hydrocarbonaceous oils comprising large amounts of polycyclic aromatic compounds patent thumbnailMethod of producing aromatic hydrocarbons and olefin from hydrocarbonaceous oils comprising large amounts of polycyclic aromatic compounds
This invention relates to a method of producing aromatic hydrocarbons and olefin from hydrocarbonaceous oils including large amounts of polycyclic aromatic compounds having two or more rings via partial hydrogenation in the presence of a hydrogenation catalyst and catalytic cracking in the presence of a catalytic cracking catalyst.. .
09/18/14
20140273431
Laser resist removal for integrated circuit (ic) packaging
Embodiments of the present disclosure are directed to laser removal of resist material from integrated circuit (ic) packaging components, as well as package assemblies and systems incorporating such material and removal methods. A resist layer may be applied to one or more components of a package assembly.
09/18/14
20140273402
Method for cutting wafer
A method for cutting wafers includes following steps. A silicon wafer is provided.
09/18/14
20140272560
Method to improve licoo2 morphology in thin film batteries
A method for improving the lithium cobalt oxide (licoo2) film (such as films in thin film batteries) morphology includes using oxygen (o2) and argon (ar) gases during sputtering deposition of the licoo2 film. This may allow for the manufacturing of thicker licoo2 films.
09/18/14
20140272220
Reduction in stress cracking of films
Methods and packages for storing film strips while reducing or eliminating stress cracking during storage, including use of packages having an inner surface made from polymeric materials exhibiting various physical properties and including films and pouches that are annealed.. .
09/18/14
20140271396
Process and apparatus for recovering hydroprocessed hydrocarbons with stripper columns
Two or three strippers are used to strip three hydroprocessed effluent streams, perhaps from a slurry hydrocracking reactor, separated by temperature instead of a single stripper to preserve separations previously made and conserving energy and reducing vessel size. A cold stripped stream may be taken as a diesel blending stock without further fractionation..
09/18/14
20140271337
Articles, systems, and methods for forging alloys
A system and method of processing an alloy ingot or other alloy workpiece to reduce thermal cracking and reduce friction between the workpiece and the forging die may generally comprise positioning a multi-layer pad between the workpiece and the forging die. An article for processing an alloy ingot or other alloy workpiece to reduce thermal cracking also is disclosed.
09/18/14
20140271171
Compressor airfoil
Aspects of the present invention relate to systems and methods of a vane design utilizing welding techniques. The present invention concerns a method for preventing cracking within a vane assembly utilizing full penetration welding.
09/18/14
20140262948
Process and apparatus for recovering hydroprocessed hydrocarbons with stripper columns
Two or three strippers are used to strip three hydroprocessed effluent streams, perhaps from a slurry hydrocracking reactor, separated by temperature instead of a single stripper to preserve separations previously made and conserving energy and reducing vessel size. A cold stripped stream may be taken as a diesel blending stock without further fractionation..
09/18/14
20140262947
Fixed bed hydrovisbreaking of heavy hydrocarbon oils
The disclosure relates to processes for upgrading heavy hydrocarbon oils such as heavy crude oils, atmospheric residuum, vacuum residuum, heavy oils from catalytic treatment, heavy cycle oils from fluid catalytic cracking, thermal tars, as oils from visbreaking, oils from oil sands, bitumen, deasphlter rock, and heavy oils derived from coal. The process utilizes a utility fluid including recycled liquid hydroprocessed product containing a significant amount of single or multi-ring aromatics.
09/18/14
20140262943
Heavy oil hydrocracking process
A process for the production of high yields of high quality products from heavy hydrocarbonaceous feedstock comprising a two-stage, close-coupled process. The first stage comprises a thermo-catalytic zone into which is introduced a mixture comprising the feedstock, coal, a liquid catalyst precursor, and hydrogen.
09/18/14
20140262942
Hydroprocessing thermally cracked products
Embodiments herein relate to a process flow scheme for the processing of gas oils and especially reactive gas oils produced by thermal cracking of residua using a split flow concept. The split flow concepts disclosed allow optimization of the hydrocracking reactor seventies and thereby take advantage of the different reactivities of thermally cracked gas oils versus those of virgin gas oils.
09/18/14
20140262941
Two stage hydrocracking process and apparatus for multiple grade lube oil base feedstock production
Multiple grades of lube oil base feedstock are produced within a two-stage hydrocracking unit. Effluent from a first hydrocracking zone is sent to a separation zone, which includes multiple separation vessels, and a heavy liquid stream enters one cell of a dual cell fractionator charge heater and is flashed in the distillation zone of a divided wall fractionation column.
09/18/14
20140262940
Integration of residue hydrocracking and hydrotreating
A process for upgrading residuum hydrocarbons is disclosed. The process may include: contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst in a first ebullated bed hydroconversion reactor system; recovering a first effluent from the first ebullated bed hydroconversion reactor system; solvent deasphalting a vacuum residuum fraction to produce a deasphalted oil fraction and an asphalt fraction; contacting the deasphalted oil fraction and hydrogen with a second hydroconversion catalyst in a second hydroconversion reactor system; recovering a second effluent from the second hydroconversion reactor system; and fractionating the first effluent from the first ebullated bed hydroconversion reactor system and the second effluent from the second hydroconversion reactor system to recover one or more hydrocarbon fractions and the vacuum residuum fraction in a common fractionation system..
09/18/14
20140262893
Reduction in stress cracking of films
Methods and packages for storing film strips while reducing or eliminating stress cracking during storage, including use of packages having an inner surface made from polymeric materials exhibiting various physical properties and including films and pouches that are annealed.. .
09/18/14
20140262198
Method and apparatus for cooling superalloy turbine components during component welding
Superalloy components, such as steam and gas turbine blades or vanes, are cooled during welding fabrication or repair, so as to reduce likelihood of weld metal and weld heat affected zone cracking during weld solidification and during post weld heat treatment. More particularly the invention relates to cooling superalloy steam and gas turbine components, such as turbine blades or vanes during weld repair.
09/18/14
20140261923
Process for the creation of uniform grain size in hot worked spinodal alloy
Processes for producing a uniform grain hot worked spinodal alloy are disclosed. The processes generate a uniform grain spinodal alloy without cracking and without the need for a homogenization step.
09/18/14
20140261918
Enhanced wear resistant steel and methods of making the same
Improved steel compositions and methods of making the same are provided. The present disclosure provides advantageous wear resistant steel.
09/18/14
20140260478
Methods to improve hot workability of metal alloys
A method of processing an alloy workpiece to reduce thermal cracking may comprise spraying a metallic coating material onto at least a portion of a surface of the alloy workpiece to form a surface coating metallurgically bonded to the alloy workpiece. The surface coating may be more ductile than the alloy workpiece and reduces heat loss from the alloy workpiece..
09/18/14
20140260354
Refrigerant service hose check valve device and method
A service hose includes a service coupler and a check valve assembly. The service coupler is configured to fluidly connect the service hose to a refrigeration system.
09/18/14
20140260023
Continuous strand hoop reinforcement for concrete foundations
A post-tensioned continuous strand hoop reinforcement for concrete foundations is provided. The post-tensioned continuous strand hoop reinforcement compresses the concrete to prevent cracking and significantly reduces foundation deflection and distortion which increases rotational stiffness in anchor caps, spread foundations, and like foundation configurations..
09/11/14
20140257006
Process for production of c<sb>3</sb> olefin in a fluid catalytic cracking unit
A process for increasing the yield of c3 olefin in fluidized bed catalytic cracking of hydrocarbon feedstocks is disclosed. C4 fraction produced from the cracking of hydrocarbon feedstock in the primary reaction zone (riser), optionally with external source of c4 stream is fed into the stripper which acts as a secondary reaction zone at an elevated temperature and at an optimum whsv.
09/11/14
20140256999
Processes for upgrading algae oils and products thereof
Algae oil feeds comprise a wide range of molecular species forming a complex mixture of molecules having varying sizes and therefore varying boiling points, comprise high nitrogen, oxygen, and fatty acid content, but comprise low sulfur, saturated hydrocarbons, and triglycerides. The wide range of molecular species in the algae oil feeds, very unusual compared to conventional refinery feedstocks and vegetable oils, may be upgraded into fuels by conventional refining approaches such as thermal and/or catalytic-hydroprocessing.
09/11/14
20140256470
Multi-piece solid golf ball
A multi-piece solid golf ball comprising a core, an envelope layer encasing the core, an intermediate layer encasing the envelope layer, and a cover which encases the intermediate layer and has formed on a surface thereof a plurality of dimples, wherein the core is made primarily of a rubber material and has a diameter of at least 31 mm, the envelope layer and intermediate layer are each made primarily of the same or different resin materials and the cover is made primarily of polyurethane; intermediate layer and cover have an optimized thickness relationship; the core, envelope layer, intermediate layer and cover have optimized hardness relationships; and the core surface and core center have a large hardness difference therebetween. The golf ball has excellent flight performance and controllability acceptable to professionals and other skilled golfers, while also having excellent durability to cracking upon repeated impact and excellent scuff resistance..
09/11/14
20140255724
High-strength hot-dip galvanized steel sheet
A high-strength hot-dip galvanized steel sheet which includes a steel sheet that comprises major components and that contains at least 40 vol. % the sum of bainite and martensite, 8-60 vol.
09/11/14
20140255110
Systems for injecting catalysts and/or additives into a fluidized catalytic cracking unit and methods of making and using the same
Systems for loading catalyst and/or additives into a fluidized catalytic cracking unit are disclosed. Methods of making and using the systems are also disclosed..
09/11/14
20140252575
Lead frame for semiconductor package
A lead frame having a die support area for supporting a semiconductor die, a plurality of leads surrounding the die support area, and a dam bar connecting adjacent leads. The dam bar has a dummy tab between adjacent ones of the leads that transversely extends towards the die support area.
09/11/14
20140251868
Process and apparatus for treating hydrocarbon streams
A process and apparatus are disclosed for treating a hydrocarbon stream, the process including flowing the hydrocarbon stream through a hydrocarbon treating vessel, heating a portion of the hydrocarbon treating vessel to a predetermined temperature and for a predetermined amount of time and controlling sensitization and chloride stress corrosion cracking of the portion of the interior surface of the hydrocarbon treating vessel.. .
09/11/14
20140251329
Fresh gas entrainment port on the inspiratory limb of a high frequency oscillatory ventilator
An entrainment port regulates the flow of gas and/or medicine into an inspiratory limb of a high frequency oscillatory ventilator (h0fov) to improve the oxygen content of the air entering a patient. The entrainment port is connected to an oxygen source and uses entrained oxygen therefrom to enter the inspiratory limb.
09/04/14
20140249342
Renewable fuels produced from oleaginous microorganisms
Disclosed herein are methods of manufacturing renewable chemicals through the manufacture of novel triglyceride oils followed by chemical modification of the oils. Methods such as transesterification, hydrogenation, hydrocracking, deoxygenation, isomerization, interesterification, hydroxylation, hydrolysis and saponification are disclosed.
09/04/14
20140249338
Compositions of matter comprising extracted algae oil
Crude algae oils produced by practical extraction techniques comprise a wide range of molecular species that can be characterized by advanced analytical techniques. The algae oils comprise a complex mixture of a large number of molecules having varying sizes and therefore varying boiling points, and comprise high nitrogen, oxygen, and fatty acid content, but low sulfur, saturated hydrocarbons, and triglyceride content.
09/04/14
20140249326
Method of synthesizing siloxane monomers and use thereof
A method for preparation and polymerization of siloxane monomers of formula i is presented. The synthesis includes the selective reaction between silanol containing unit and alkoxy containing units in the presence of basic catalyst.
09/04/14
20140248512
Functional based repair of superalloy components
A method of repairing or manufacturing a superalloy component (50) by depositing a plurality of layers (22, 24, 26, 28) of additive superalloy material having a property that is different than an underlying original superalloy material (30). The property that is changed between the original material and the additive material may be material composition, grain structure, principal grain axis, grain boundary strengthener, and/or porosity, for example.
09/04/14
20140246165
Systems and methods for forming and processing alloy ingots
Processes and methods related to producing, processing, and hot working alloy ingots are disclosed. An alloy ingot is formed including an inner ingot core and an outer layer metallurgically bonded to the inner ingot core.
08/28/14
20140244051
Direct drive fan system with variable process control
The present invention is directed to a direct-drive fan system and a variable process control system for efficiently managing the operation of fans in a cooling system such a as wet-cooling tower or air-cooled heat exchanger (ache), hvac systems, mechanical towers or chiller systems. The present invention is based on the integration of key features and characteristics such as tower thermal performance, fan speed and airflow, motor torque, fan pitch, fan speed, fan aerodynamic properties, and pump flow.
08/28/14
20140243569
Process and rotary machine type reactor
A rotary machine type shock wave reactor suitable for thermal cracking of hydrocarbon-containing materials includes a casing, a rotor whose periphery contains an axial-flow blade cascade, and a directing rim, provided with at least two stationary vane cascades, adjoining an axial-flow rotor cascade, wherein the casing substantially encloses the periphery of the rotor and the directing rim. The cascades are configured to direct feedstock containing process stream to repeatedly pass the cascades in a helical trajectory while propagating within the duct between the inlet and exit and to generate stationary shock-waves to heat the feedstock.
08/28/14
20140243568
Method for making a catalyst comprising a phosphorous modified zeolite and use of said zeolite
A method to make a phosphorus modified zeolite can include providing a zeolite including at least one ten member ring in the structure steaming the zeolite, mixing the zeolite with one or more binders and shaping additives, and then shaping the mixture. The method can include making a ion-exchange.
08/28/14
20140243565
Process for producing biohydrocarbons
B) cracking the hydrocarbons obtained in step a) by thermal cracking, catalytic cracking or hydrocracking to form the biohydrocarbons.. .
08/28/14
20140243188
Aluminum sulfate bound catalysts
Alumina binder obtained from aluminum sulfate, the process of preparing the binder and the process of using the binder to prepare catalyst compositions are disclosed. Catalytic cracking catalyst compositions, in particularly, fluid catalytic cracking catalyst composition comprising zeolites, optionally clay and matrix materials bound by an alumina binder obtained from aluminum sulfate are disclosed..
08/28/14
20140239335
Light-emitting device and application liquid
Formation of an interlayer is realized for a light-emitting device, the interlayer having properties of anticorrosion and adhesion to a silicone layer, thus preventing incidence of cracking during a baking process. The light-emitting device comprises a light-emitting element covered with the silicone layer, and the interlayer is provided between the light-emitting element and the silicone layer.
08/28/14
20140239075
Composite rf tag, and tool mounted with the composite rf tag
The present invention relates to a composite rf tag for transmitting and receiving information using an electromagnetic induction method, comprising a magnetic antenna mounted with an ic, and a resin layer formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material and a coil-shaped electrode material disposed around the core. The rf tag according to the present invention comprises the magnetic antenna surrounded by the resin, and therefore can provide a composite magnetic rf tag which can minimize adverse influence by surrounding water or metals in view of maintenance of tools or parts to which the composite rf tag is mounted, and is free from occurrence of any failure or cracking..
08/28/14
20140238898
Increased production of fuels by integration of vacuum distillation with solvent deasphalting
Embodiments of the claimed invention are directed to methods and apparatuses that recycle unconverted oil fractions resulting from a hydrocracking unit, by feeding the unconverted oil fractions into a vacuum flasher and processing the fractions obtained therefrom.. .
08/28/14
20140238897
Reconfiguration of recirculation stream in upgrading heavy oil
Methods for hydroprocessing heavy oil feedstocks are disclosed. A heavy oil feedstock, a hydrogen-containing gas, and a slurry catalyst are passed through a plurality of upflow reactors operating under hydrocracking conditions to convert at least a portion of the heavy oil feedstock to lower boiling hydrocarbons, forming upgraded products.
08/21/14
20140235429
Process for enhancing nickel tolerance of heavy hydrocarbon cracking catalysts
The invention discloses a process for upgrading feed streams containing residual fractions with high concentrations of metals, more specifically nickel content up to 150 ppm employing acidic catalysts comprising large pore rare earth faujasite zeolite component, pentasil zeolite component and pseudoboehemite containing resid cracking component while the composite is impregnated with lanthanum oxide or aluminium oxide or mixture of both. The hydrocarbon feed stock can be sourced from either petroleum derivatives or from coal, tar or sand.
08/21/14
20140234685
Molten salt battery
A separator for use in a molten salt battery has the problem that due to usage specific to the molten salt battery, the separator is placed under mechanical, thermal and chemical stress, so that cracking or rupture easily occurs, leading to a degradation in battery performance such as an internal short-circuit. The molten salt battery of the present invention includes a separator containing a metal oxide, particularly aluminum oxide and/or zirconium oxide in an amount of 75% or more.
08/21/14
20140234155
Ni-based heat resistant alloy
A ni-based heat resistant alloy as pipe, plate, rod, forgings and the like consists of c≦0.15%, si≦2%, mn≦3%, p≦0.03%, s≦0.01%, cr: 15% or more and less than 28%, mo: 3 to 15%, co: more than 5% and not more than 25%, al: 0.2 to 2%, ti: 0.2% to 3%, nd: fn to 0.08%, and o≦0.4nd, further containing, as necessary, at least one kind of nb, w, b, zr, hf, mg, ca, y, la, ce, ta, re and fe of specific amounts, the balance being ni and impurities, wherein, fn=1.7×10−5d+0.05{(al/26.98)+(ti/47.88)+(nb/92.91)}. In the formula, d denotes an average grain size (μm), and each element symbol denotes the content (mass %) of that element.
08/21/14
20140234154
Hard weld overlays resistant to re-heat cracking
A hard weld overlay which is resistant to cracking when re-heated, and a method for designing such alloys, is disclosed. The alloys are able to resist re-heat cracking through prevention of the precipitation and/or growth of embrittling carbide, borides, or borocarbides at elevated temperatures.
08/21/14
20140233014
Infrared-based metrology for detection of stress and defects around through silicon vias
An approach for ir-based metrology for detecting stress and/or defects around tsvs of semiconductor devices is provided. Specifically, in a typical embodiment, a beam of ir light will be emitted from an ir light source through the material around the tsv.
08/21/14
20140230928
Tunable check valve
Tunable check valves reduce valve-generated vibration to increase the reliability of tunable fluid ends. Selected improved designs described herein reflect disparate applications of identical technical principles (relating to, e.g., the vibration spectrum of an impulse).
08/21/14
20140230318
In-situ upgrading of biomass pyrolysis vapor by cracking and hydroprocessing
Processes for thermal conversion of biomass are provided. The processes involve upgrading the pyrolysis vapor from a pyrolysis reactor.
08/21/14
20140230316
In-situ upgrading of biomass pyrolysis vapor
Processes for thermal conversion of biomass are provided. The processes involve upgrading the pyrolysis vapor from a pyrolysis reactor.
08/14/14
20140228606
Conversion of plastics to olefin and aromatic products with product recycle
A method of producing olefins and aromatic compounds from a feedstock is accomplished by introducing a hydrocarbon feedstock and a catalyst composition within a reactor. At least a portion of the reactor is at a reactor temperature of from 470° c.
08/14/14
20140228205
Catalyst for the conversion of plastics to olefin and aromatic products
A catalyst composition useful for producing olefins and aromatic compounds from a feedstock is formed from a fluidized catalytic cracking (fcc) catalyst and a zsm-5 zeolite catalyst, wherein the amount of zsm-5 zeolite catalyst makes up from 10 wt. % or more by total weight of the fcc catalyst and the zsm-5 zeolite catalyst.
08/14/14
20140228204
Conversion of plastics to olefin and aromatic products
A catalyst composition useful for producing olefins and aromatic compounds from a feedstock is formed from a fluidized catalytic cracking (fcc) catalyst and a zsm-5 zeolite catalyst, wherein the amount of zsm-5 zeolite catalyst makes up from 10 wt. % or more by total weight of the fcc catalyst and the zsm-5 zeolite catalyst.


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Cracking topics: Hydrocarbon, Fluoropolymer, Air Cleaning, Hydrocracking Process, Tungsten Carbide, Bisphenol A, Polycarbonate, Riser Reactor, Downstream

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