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| Number | Title | Issue Date |
| 4390502 | Solids feeding device and system The present invention is an apparatus continuously feeding particulate solids to a TRC reaction chamber or zone at a controlled rate of flow, and for admixing the solids with fluid simultaneously introduced to the reaction zone. This invention utilized on... | 06/28/1983 |
| 4352728 | Solids feeding device and system In a TRC process and system, an improved process and system for regulating the rate of solids added continuously to a solids-fluid reaction system, the solids participating in the reaction as a reactant, catalyst, or inert heat supply medium.... | 10/05/1982 |
| 4345992 | Catalytic cracking process In a cracking process wherein used catalyst is regenerated, contacted with reducing gas to counter effects of contaminating metals, and recycled to the cracking zone, the improvement comprising using a gas seal to assure that a major portion of the uncons... | 08/24/1982 |
| 4338187 | Solids feeding device and system An apparatus and process for delivering fluidization gas to a bed of particulate solids to selectively locally fluidize the solids above a delivery conduit in communication with a reaction chamber. Also an apparatus and process for intimately mixing hydro... | 07/06/1982 |
| 4331533 | Method and apparatus for cracking residual oils A hydrocarbon conversion-catalyst regeneration process and apparatus is described for converting residual oils and regeneration of catalyst in two separate low and higher temperature regeneration stages stacked one above the other on the same or different... | 05/25/1982 |
| 4317798 | Bottom (coker) burner vessel A burner vessel or regenerator vessel is disclosed which has an elliptical bottom head which supports a particulate refractory fill which in turn supports and stabilizes an air distributor inlet manifold. The manifold is supported at radially arranged dis... | 03/02/1982 |
| 4310411 | Catalytic cracking In a transfer line catalytic cracking reaction system having a riser-reactor provided with a vertical section and a horizontal section, the improvement for minimizing erosion in the system which comprises cracking with a high velocity of reactant and cata... | 01/12/1982 |
| 4310489 | Apparatus for the catalytic cracking of hydrocarbons An apparatus for the catalytic cracking of hydrocarbons having two independent transfer line reactors, each of which is associated with an independent cyclone separation system and wherein the cyclone separation systems are located within a common separat... | 01/12/1982 |
| 4295961 | Method and apparatus for improved fluid catalytic riser reactor cracking of hydrocarbon feedstocks A method and apparatus for the fluid catalytic cracking of petroleum hydrocarbons wherein an ascending cocurrent stream of vaporous hydrocarbon and entrained catalyst particulates is effected in a tubular reaction zone the method including the following s... | 10/20/1981 |
| 4257875 | Fluid catalytic cracking process An improved fluid catalytic cracking process providing improved product yield and selectivity and reduced catalyst deactivation which employs a split flow of catalyst to the reactor riser.... | 03/24/1981 |
| 4243514 | Preparation of FCC charge from residual fractions Residual fractions from distillation of petroleum are rendered suitable for charge to catalytic cracking by high temperature, short time contact in a decarbonizing zone with a fluidizable solid particles of essentially inert character and low surface area... | 01/06/1981 |
| 4234411 | Fluid catalytic cracking process An improved fluid catalytic cracking process providing improved product yield and selectivity which employs a split flow of recycled, regenerated catalyst to the reactor riser. Process operating temperatures control the flow rates of the recycled, regener... | 11/18/1980 |
| 4227990 | Thermal cracking of retort oil The thermal cracking of retort oil vapors in an elongated reactor is improved by passing the effluent oil vapors and gases from a retort to a thermal cracking unit before the temperature of the retort effluent falls below 680° F. This encourages the more... | 10/14/1980 |
| 4219407 | Fluid cracking process and the method for separating a suspension discharged from a riser cracking zone A riser cracking-catalyst regeneration operation is described wherein a suspension discharged from a riser operation is separated by catalyst particle concentrating means which discharge a concentrated stream of catalyst separated from gasiform material i... | 08/26/1980 |
| 4173527 | Method and means for separating suspensions of gasiform material and fluidizable solid particle material In a reactant-fluid catalyst suspension system, an arrangement of apparatus is provided contiguous with a riser discharge which centrifugally initially separates the suspension into a solids phase and a gasiform material phase prior to discharge from the ... | 11/06/1979 |
| 4149964 | Method of injecting hydrocarbon feed A method of injecting a hydrocarbon feed into a catalytic conversion zone whereby wall temperatures within the conversion zone are reduced and overcracking of the hydrocarbon feed is minimized.... | 04/17/1979 |
| 4097243 | Hydrocarbon-feed distributor of injecting hydrocarbon feed A hydrocarbon-feed distributor for injecting a hydrocarbon feed into contact with a fluidizable catalyst at conversion conditions in the lower end of the riser reactor conduit whereby wall temperatures within the conversion zone are reduced and overcracki... | 06/27/1978 |
| 4066533 | Separation of catalyst from effluent of a fluidized catalytic hydrocarbon conversion process A method for disengaging catalyst particulates from the effluent of a riser tube in the operation of a FCC unit. The catalyst component of the resultant ascending fluid stream is propelled from the riser tube into the catalyst disengaging or collection ch... | 01/03/1978 |
| 4054509 | Process for catalytic conversion A catalytic reactor in which feed, catalyst and diluent gas enter the bottom of a reactor which has a cross-sectional area which does not decrease substantially, preferably which has a substantially constant cross-sectional area, from the point at which c... | 10/18/1977 |
| 4051013 | Fluid catalytic cracking process for upgrading a gasoline-range feed A fluid catalytic cracking process for simultaneously cracking a gas oil feed and upgrading a gasoline-range feed to produce high quality motor fuel. The gasoline-range feed is contacted with freshly regenerated catalyst in a relatively upstream portion o... | 09/27/1977 |
| 3983030 | Combination process for residua demetalation, desulfurization and resulting coke gasification A combination process is provided for residua demetalation and desulfurization and resulting coke gasification which comprises contacting said residua with a porous refractory oxide in the absence of added hydrogen, at a temperature of from greater than 7... | 09/28/1976 |
| 3976433 | Apparatus for catalytic conversion A catalytic reactor in which feed, catalyst and diluent gas enter the bottom of a reactor which has a cross-sectional area which does not decrease substantially, preferably which has a substantially constant cross-sectional area, from the point at which c... | 08/24/1976 |
| 3959117 | Fluid catalytic cracking of hydrocarbons A transport type fluid catalytic cracking reactor comprising a riser conduit, a flow reversal means and a downcomer conduit, wherein the flow reversal means has a closable top such that a shorter or longer residence time of catalyst and oil vapor in the t... | 05/25/1976 |
| 3957443 | Fluid catalytic cracking of hydrocarbon A transport type fluid catalytic cracking reactor comprising a riser conduit, a flow reversal means and a downcomer conduit, wherein the flow reversal means has a closable top such that a shorter or longer residence time of catalyst and oil vapor in the t... | 05/18/1976 |
| 3951781 | Combination process for solvent deasphalting and catalytic upgrading of heavy petroleum stocks A raffinate product of residual oil solvent extraction is upgraded in a fluid zeolite catalyst cracking operation in the presence of one or more low molecular weight carbon-hydrogen fragment contributors. Gas oil products of atmospheric and vacuum distill... | 04/20/1976 |
