Matches 151 - 200 out of 270 < 1 2 3 4 5 6 >
Match Document Document Title
4886644 Liquid degaser in an ebullated bed process  
In an ebullated bed reactor it has been found that an improved gas-liquid separator effectively removes gas from recycle liquid used to ebullate the catalyst bed. The gas-liquid separator comprises...
4885137 Zero gravity fluidized bed operation  
A wheel-like apparatus for the generation of whirling flow and a fluidized bed under zero gravity conditions having spokes which contain at least one reaction chamber for solid particles. Gas is...
4883583 Process for the catalytic cracking of hydrocarbons in a fluidized bed and their applications  
A process is disclosed for the catalytic cracking of hydrocarbons in a fluidized bed wherein the catalyst particles are injected in a fully fluidized suspension into an elongate reaction zone. In...
4874583 Bubble cap assembly in an ebullated bed reactor  
A bubble cap assembly and distributor plate is revealed uniquely suited for a reactor in an ebullated bed process. In the riser of the bubble cap assembly a ball check valve is mounted on a valve...
4853189 Apparatus for conversion of oils to hydrocarbon products  
Process and apparatus for catalytic conversion of oils. A furnace heats a feedstock which is provided to a separator for separation of the feedstock into a gas vapor phase and a liquid phase. The...
4849091 Partial CO combustion with staged regeneration of catalyst  
FCC catalyst is regenerated in a process providing increased coke-burning capacity without additional heat evolution or air consumption. The process uses a two-stage regeneration arrangement...
4830638 Filtration system with apparatus for altering the arrangement of electrons in particles  
Apparatus for altering the physical properties of particles while the particles are suspended in a circulating stream of air or other fluid. The apparatus includes a mechanism for mechanically...
4824557 Process for mixing cracking catalyst with a fluid hydrocarbon  
The present invention relates to a process for immediately and intimately mixing a fluidizable cracking catalyst with a fluid hydrocarbon in a riser reactor. The process involves passing the...
4808383 FCC reactor multi-feed nozzle system  
A method and apparatus for feeding catalyst, oil and steam into a fluid catalytic cracking (FCC) riser. Oil passes through respective oil lines into a multiplicity of upwardly extending nozzles...
4806477 Process for reacting substrates with biocatalysts in a 2-phase liquid system  
A process for reacting substrates with biocatalysts in a two-phase liquid system disposed in a columnar vessel having a top portion with an exit opening and a first filter disposed therein, a...
4804458 Process for collecting vapor in ebullated bed reactors  
A vapor collector and process utilizes a skirted pan to collect vapor in an ebullated bed reactor and substantially minimize gas entrainment so as to enhance the efficiency and yield of resid...
4801336 Process for accelerating the transfer of media in a fluidized bed  
A method for accelerating the transfer of media between materials reacting in a fluidized bed in a centrifuge. The rotating fluidized bed increases the relative boundary layer velocities of the...
4800014 Catalytic cracking process  
A mixing chamber for catalyst and oil in a catalytic cracking unit in which atomized oil is introduced preferably axially in a preferably vertically oriented transfer line or riser reactor from an...
4793913 Method for liquid feed dispersion in fluid catalytic cracking systems  
An improved liquid hydrocarbon feed method is disclosed wherein substantially all of the liquid is converted to mist sized particles over a wide angled dispersion pattern without a concurrent...
4792391 Floating recycle pan and process for ebullated bed reactors  
A floating recycle pan and ebullated bed process are provided to control the flow of the feed into and out of the downcomer even while the oil liquid level in the ebullated bed reactor is varied to...
4784328 Nozzle assembly  
An apparatus for catalyst/oil mixing in a catalytic cracking unit comprises a bifluid nozzle for atomizing oil having an outer tube with an end connected to the sidewalls of a coaxial inner tube...
4778661 Upgrading diene-containing light olefins in a fluidized bed reactor  
An improved fluidized bed process for upgrading olefinic hydrocarbon feedstock by contacting the feedstock with acidic siliceous zeolite conversion catalyst particles at elevated temperature under...
4778658 Method and apparatus for contacting fluid feed materials with fluidized solids  
Apparatus for feeding a mixture of fluidized solids, such as cracking catalyst, and a fluidized feed material to be contacted therewith, such as a hydrocarbon feedstock to be cracked, into a...
4764347 Grid plate assembly for ebullated bed reactor  
An improved grid plate flow distributor assembly for use in a pressurized catalytic reactor in which gas and liquid materials flow uniformly upwardly through the grid into the reactor ebullated...
4739927 Catalytic cracking unit  
The walls surrounding the atomization chamber in a catalytic cracking unit where the cracking catalyst surrounds the atomization chamber are cooled by a flow of cooling fluid and baffles to cause...
4738770 Apparatus and method of removal of catalyst blockage from reactor recycle pumps  
A process and apparatus of preventing the plugging of the discharge and/or suction line of an internal recycle pump utilized in an expanded bed reactor of the type having a partition transversely...
4734266 Pump seal oil system  
A pump seal oil system for a reactor pump wherein seal oil is provided at a pre-determined rate of flow without changing the rate of flow in response to pressure differences between the seal oil in...
4716022 Particle treatment apparatus  
Apparatus for altering the physical properties of particles while the particles are suspended in a circulating stream of air or other fluid. The apparatus includes a mechanism for mechanically...
4714591 Apparatus and method involving supercritical fluid extraction  
An autoclave extraction apparatus where a supercritical fluid is used for supercritical fluid extraction of one or several compounds. The supercritical fluid containing the compoound(s) may then be...
4713169 Fluid feed method  
A fluid feeding apparatus and method for feeding a fluid to a point beyond the apparatus, wherein a hollow member is provided having an interior surface which defines a chamber having a first fluid...
4711766 Apparatus for mixing cracking catalyst with a fluid hydrocarbon  
The present invention relates to a plug valve which effects the immediate and intimate mixing of fluidizable cracking catalyst with a fluid hydrocarbon in a riser reactor. Further, a stationary...
4710356 Apparatus to accelerate the transfer of material between two media reacting in a fluidized bed  
A device for the acceleration of a reaction between media of solid and liquid phases comprising means for forming a fluidized bed, wherein the solid medium is held suspended in the liquid medium,...
4707340 Staged guide plate and vessel assembly  
A staged distribution grid assembly and method for uniform fluid flow distribution upwardly into an ebullated catalyst bed of a reactor. In the staged grid assembly, the gas and liquid mixture...
4702891 Fluid flow distribution system for fluidized bed reactor  
An improved flow distribution system for a catalytic reactor plenum chamber for a gas-liquid-solids ebullated bed reactor incudes a baffled nozzle device containing at least two baffle plates...
4695370 Process and apparatus for fluid bed catalytic cracking  
A fluid bed catalytic apparatus and process for cracking a hydrocarbon charge and regenerating the catalyst where hot particles are contacted at the top of the cracking zone (1) with the sprayed...
4692235 Selective placement of fluid injection in a riser reactor equipped with a horizontal tee joint connection to substantially reduce back pressure in the riser reactor  
An apparatus for reducing the pressure drop in a riser reactor equipped with a horizontal tee joint connection which uses a fluid injection means selectively located at a point juxtaposed to the...
4689205 Multi-stage system for converting oxygenates to liquid hydrocarbons with aliphatic recycle  
An apparatus for converting oxygenated feedstock, such as methanol, dimethyl ether or the like, to liquid hydrocarbons. In the primary catalyst stage the feedstock is contacted with a fluidized...
4687642 Fluid feed apparatus  
A fluid feeding apparatus for feeding a fluid to a point beyond the apparatus, wherein a hollow member is provided having an interior surface which defines a chamber having a first fluid therein....
4684456 Control of bed expansion in expanded bed reactor  
In an expanded bed reactor, the expansion of the bed is automatically controlled by automatically changing the rate of speed of a recycle pump for the reactor. The bed is preferably provided with...
4681743 Catalytic cracking apparatus  
A catalytic cracking apparatus comprises a catalyst lift pot having a first diameter, a riser-reactor having a mouth connected to the lift pot and defining a second diameter which is smaller than...
4676953 Continous production of sodium silicate solutions  
An apparatus for the continuous production of clear sodium silicate solution with an SiO 2 :Na 2 O weight ratio of 1-2.8:1 by fusing sand in aqueous sodium hydroxide using a pressure-sealed...
4673552 Downwardly directed fluid flow distribution system for ebullated bed reactor  
An improved flow distribution system for a catalytic reactor plenum chamber for a gas-liquid-solids ebullated bed reactor including a downwardly directed conduit and a flow distributor device such...
4640822 Apparatus for producing bulk mesophase  
Bulk mesophase can be economically produced without coking trouble from a heavy oil in an apparatus comprising: a heat-treatment vessel for heat treating the oil thereby to form pitch containing...
4639354 Apparatus for the liquid phase hydrotreatment of hydrocarbons in the presence of an expanded or ebullated catalyst bed  
The hydrotreatment of hydrocarbons in the liquid phase is effected in a column containing a catalyst bed supported by a grid, wherethrough passes an ascending stream of the charge admixed with...
4631175 Preparation of chlorinated polyolefins  
Method and apparatus for the chlorination of polyolefins in aqueous suspension. The method includes subjecting the suspension of the polyolefin to a submerged jet of chlorine gas at a velocity...
4618418 Fluidized bed reactor  
A single unit fluidized-bed reactor having a reaction space for purification of waste water with biomass attached to carrier particles, comprising a liquid distribution device above the bottom of...
4589927 Liquid multisolid fluidized bed processing  
Continuous chemical and biological reactions may be carried out in a liquid fluidized reactor (1). Improved mixing and mass transport between gas/liquid/solid phases is provided by fluidizing large...
4584178 Apparatus for the manufacture of hypochlorous acid  
An apparatus for the manufacture of chloride-free hypochlorous acid by hydrolyzing of chlorine with steam, solid-gas stripping of the co-generated hydrochloric acid vapor in a fluidized bed...
4579599 Process for fluidized contact in a mixed phase  
A process for fluidized contact in a mixed phase by intimately contacting a liquid or a mixture of a liquid and a gas with solid particles in a contact vessel having a double pipe contact portion...
4564502 Apparatus for mixing of fluidized solids and fluids  
An apparatus and method for mixing a fluidized solid and a fluid wherein the fluidized solid flows in a space defined between an outer member and an inner member positioned within the outer member....
4555328 Method and apparatus for injecting liquid hydrocarbon feed and steam into a catalytic cracking zone  
A process and an apparatus for atomizing a liquid hydrocarbon feed and injecting it into a reaction zone, such as a riser conversion zone or a dense fluid bed reactor of a fluid catalytic cracking...
4552725 Apparatus for co-processing of oil and coal  
Apparatus adapted for converting coal and heavy oil to volatile hydrocarbons comprising a thermal cracking reactor having a thermal cracking zone enclosed in an interior tubular riser within a...
4533367 Gas scrubbing method using gas liquid contact in a particulate bed  
Apparatus and method for cleaning dirty gases using an apparatus comprising a particulate bed through which the dirty gases pass upwardly without being fluidized while a wash liquid descends...
4532155 Apparatus and process for coating, granulating and/or drying particles  
A fluidized bed apparatus and method are disclosed for coating, granulating and/or drying particles. The particles are circulated within a chamber by means of circumferential air flow. A first gas...
4526759 Fluidized bed reactor utilizing in-bed heat exchanger tubes which register with water wall tubes  
A fluidized bed reactor in which at least a portion of the walls of the reactor housing are formed by a plurality of water wall tubes. A fluidized bed is formed in the housing and a plurality of...
Matches 151 - 200 out of 270 < 1 2 3 4 5 6 >