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| Number | Title | Issue Date |
| 7385099 | Multiple riser reactor with centralized catalyst return The present invention is directed to a hydrocarbon conversion apparatus and process. The apparatus comprises the following: a plurality of riser reactors, each having a first end into which a catalyst is fed, a second end through which the catalyst can exit, and opt... | 06/10/2008 |
| 7169960 | Dehydrogenation process A process for the dehydrogenation of a C2 or C3 alkyl aromatic compound to a corresponding vinyl aromatic compound in a tubular reactor incorporating a spiral flow path. Preferred embodiments of the invention provide processes for the productio... | 01/30/2007 |
| 6781024 | Dehydrogenation process Process for the catalytic dehydrogenation of a C2 or C3 alkyl aromatic in which a feedstock containing the alkyl aromatic and steam is supplied into the inlet of a tubular reactor containing a dehydrogenation catalyst. Within the reactor, the f... | 08/24/2004 |
| 6657097 | Fluidized bed reactor Disclosed is a fluidized bed reactor wherein the average cross-sectional area occupied by a cooling coil, a dummy pipe and/or a cyclone leg is 10% or more of the average cross-sectional area of said reactor in a dense-phase fluidized catalyst bed region. ... | 12/02/2003 |
| 6627068 | Fluidized bed reactor and process The present invention is directed to a continuous process for producing a desired hydrocarbon product using a heterogeneous slurry catalyst, to the product of said process, and to the reactor utilized in such process.... | 09/30/2003 |
| 6486374 | Method and apparatus for alkylation using solid catalyst particles in a transport reactor A method and apparatus for alkylating an alkylation substrate with an alkylating agent in the presence of solid catalyst particles in a transport reactor is disclosed. Solid catalyst particles in the transport reactor effluent recirculate to the inlet of ... | 11/26/2002 |
| 6380449 | Dehydrogenation process Process for the catalytic dehydrogenation of ethylbenzene in which a feedstock containing ethylbenzene and steam is supplied into the inlet of a tubular reactor containing a dehydrogehation catalyst. Within the reactor, the feedstock flows through at leas... | 04/30/2002 |
| 6294707 | Fluidized bed reactor and process for producing 5-ethylidene-2-norbornene The present invention is directed to a continuous process for producing a desired hydrocarbon product using a heterogeneous slurry catalyst, to the product of said process, and to the reactor utilized in such process.... | 09/25/2001 |
| 6191332 | Method and apparatus for dehydrogenating aliphatic hydrocarbons to olefinic hydrocarbons The specification describes a method and a fixed bed apparatus for producing olefinic hydrocarbons from a charge of saturated aliphatic hydrocarbons with 2 to 20 carbon atoms and hydrogen in a chamber 1 comprising a plurality of parallel tubes 3 filled wi... | 02/20/2001 |
| 6180846 | Process and apparatus using plate arrangement for combustive reactant heating A process and apparatus for indirectly heating an endothermic reaction by combustion of reactants or products from the endothermic reaction using a plate heat exchange arrangement in a highly efficient manner. This invention is particularly suited for pro... | 01/30/2001 |
| 6045688 | Method based on a fluidized-bed reactor for converting hydrocarbons The invention relates ro a method of converting hydrocarbons. According to the method, a gaseous or liquid hydrocarbon feed is passed into a circulating fluidized-bed reactor, wherein the feed is converted at a high temperatue under the influence of parti... | 04/04/2000 |
| 5885442 | Process for producing petrol of high octane number by catalytic reforming and a reactor for carrying out this process The invention relates to a process for producing petrol of high octane number by catalytic reforming of hydrocarbons by passing these hydrocarbons through a platinum/rhenium catalyst arranged in the form of a hollow cylinder at 450°-500° C. and a pressu... | 03/23/1999 |
| 5382748 | Hydrocarbon synthesis reactor employing vertical downcomer with gas disengaging means The operation of a hydrocarbon synthesis reactor and catalyst distributed in the reaction slurry therein are improved by the presence in said reactor of one or more vertical downcomers open at both ends with gas disengaging areas located at their top end.... | 01/17/1995 |
| 5292981 | Isoparaffin-olefin alkylation process A process for isoparaffin-olefin alkylation is provided that permits the use of solid acid catalysts which require frequent regeneration and high isoparaffin/olefin ratios. The process comprises circulating in a reactor a slurry comprising solid acid zeol... | 03/08/1994 |
| 5254765 | Process and apparatus for the production of aromatic hydrocarbons from an aliphatic hydrocarbon charge in a reactor heated by a fluidized particle bed The invention relates to a process and an apparatus for the production of aromatic hydrocarbons from an aliphatic hydrocarbon charge with 2 to 12 carbon atoms. The process comprises a stage of contacting a charge of at least one aliphatic hydrocarbon with... | 10/19/1993 |
| 5196627 | Isoparaffin:olefin alkylation process and reactor apparatus The invention provides a substantially fail-safe HF alkylation process and reactor apparatus. The elongated reactor vessel is enclosed in a well casing and an alkylate-containing hydrocarbon layer is maintained above the hydrofluoric acid to prevent relea... | 03/23/1993 |
| 5196629 | Isoparaffin:olefin alkylation process and reactor apparatus The invention provides a substantially fail-safe HF alkylation process and reactor apparatus. The elongated reactor vessel is enclosed in a subterranean well casing and an alkylate-containing hydrocarbon layer is maintained above the hydrofluoric acid to ... | 03/23/1993 |
| 5160501 | Method for thermal conversion of methane and reactor for carrying out the method Method and apparatus for thermal conversion of methane to hydrocarbons of higher molecular weight, comprising a reactor 1 of elongated shape, connected at a first end to means 5 for supplying gas mixture containing methane (process gas), and connected at ... | 11/03/1992 |
| 5030789 | Catalytic method for the dimerization, codimerization or oligomerization of olefins with the use of an autogenous thermoregulation fluid The invention provides a catalytic method for the dimerization or codimerization or oligomerization, in particular selective, of olefins, carried out under pressure, in a reaction zone 1 containing a solid catalyst bed in which is disposed a plurality of ... | 07/09/1991 |
| 4943669 | Method according to the invention is notably applied to the selective dimerization of propylene into methyl-4-pentene-1 The invention provides a catalytic method for the dimerization or codimerization or oligomerization, particularly selectively, of olefins, carried out under pressure, in a reaction zone 1 containing a solid catalyst bed into which is disposed a plurality ... | 07/24/1990 |
| 4349432 | Pyrolysis of hydrocarbons Process and apparatus for pyrolysis of a heavy hydrocarbon feedstock in which the feedstock is counter-currently contacted with a hot hydrogenating gas stream flowing spirally from the periphery of a substantially circular reactor (1). The hydrocarbon fee... | 09/14/1982 |
| 4044068 | Process and apparatus for autothermic cracking of ethane to ethylene Process is provided for producing ethylene by the oxidative dehydrogenation ethane wherein a gas containing ethane is passed to a first elongated reaction zone, and a gas mixture containing oxygen and chlorine is passed into a second elongated gas zone po... | 08/23/1977 |
| 4021501 | Production of hydrocarbons In the thermal cracking of a hydrocarbon feedstock, the quenching of the gases leaving the cracking zone is deliberately deferred for a very short time to permit continued endothermic reaction and thereby increase the ethylene yield.... | 05/03/1977 |
| 3959401 | Process for cracking A process for cracking hydrocarbon feedstocks comprising introducing a mixture of feedstock and hot gas into a reactor in which cracking temperatures are maintained, said reactor comprising; A. a hollow cylindrical tube having (i) a first end closure and a sec... | 05/25/1976 |
