Class 208/128 - Vapors

Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein cracking takes place in the presence of
No. of patents: 29
Last issue date: 03/29/2011

Number	Title	Issue Date
7914667	Pyrolysis reactor conversion of hydrocarbon feedstocks into higher value hydrocarbons In one aspect, the inventive process comprises a process for pyrolyzing a hydrocarbon feedstock containing nonvolatiles in a regenerative pyrolysis reactor system. The inventive process comprises: (a) heating the nonvolatile-containing hydrocarbon feedstock upstream...	03/29/2011
7402237	Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is heated, then separated into a vapor phase and a liquid phase by flashing in a flash/separation v...	07/22/2008
7339087	Pyrolysis Process for pyrolyzing a light feed in a pyrolysis furnace designed for pyrolyzing heavy feed, in which process part of the light feed is introduced at the feed inlet of the convection zone of the pyrolysis furnace and further light feed is introduced into the conve...	03/04/2008
7235172	Olefin production from steam cracking using process water as steam The invention includes a process for making olefins. In one embodiment, the process comprises producing steam from a process water comprising organic compounds, wherein the process water comprises at least a portion of a product water from a hydrocarbon synthesis pr...	06/26/2007
7138047	Process for steam cracking heavy hydrocarbon feedstocks A process for feeding or cracking heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising: heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flas...	11/21/2006
7097758	Converting mist flow to annular flow in thermal cracking application A process to increase the non-volatile removal efficiency in a flash drum in the steam cracking system. The gas flow from the convection section is converted from mist flow to annular flow before entering the flash drum to increase the removal efficiency. The conver...	08/29/2006
7090765	Process for cracking hydrocarbon feed with water substitution A process for treating hydrocarbon feed in a furnace, the process comprising: (a) heating hydrocarbon feed, (b) adding water to the heated feed, (c) adding dilution steam to the heated feed to form a mixture, (d) heating the resulting mixture and feeding the resulti...	08/15/2006
6989091	Deep conversion combining the demetallization and the conversion of crudes, residues, or heavy oils into light liquids with pure or impure oxygenated compounds A process for the conversion of hydrocarbons that are solid or have a high boiling temperature and may be laden with metals, sulfur or sediments, into liquids (gasolines, gas oil, fuels) with the help of a jet of gas properly superheated between 600 and 800° C. The...	01/24/2006
6652736	Stripping method for extracting solid fluidized particles and implementing device The invention concerns a stripping method for extracting solid fluidized particles whereby the particles to be stripped are subjected to a first stripping in a first chamber (9), then at least a second stripping in a second chamber (10) wherein are provid...	11/25/2003
6632351	Thermal cracking of crude oil and crude oil fractions containing pitch in an ethylene furnace A crude oil feedstock or crude oil fractions containing pitch feedstock is pyrolyzed in a pyrolysis furnace....	10/14/2003
5681450	Reduced chaos cyclone separation A cyclone and process for fluidized catalytic cracking of heavy oils is disclosed. Gas and entrained solids are added around a clean gas outlet tube in a cyclone body. Solids and some gas are withdrawn via a solids outlet and discharged into a catch chamb...	10/28/1997
5219530	Apparatus for initiating pyrolysis using a shock wave Apparatus for initiating pyrolysis of a feedstock by establishing a continuous, standing shock wave. Several embodiments of a shock wave reactor (10, 100, 150) are disclosed; each is connected to receive an ethane feedstock and a carrier fluid comprising ...	06/15/1993
4840723	Hydrocarbons pyrolysis Methane and liquid hydrocarbon feeds boiling above 350° C. are reacted by feeding finely divided droplets into hot gas at not more than 2 MPa containing at least 50% volume methane and not more than 15% volume hydrogen....	06/20/1989
4746419	Process for the hydrodemetallation hydrodesulfuration and hydrocracking of a hydrocarbon feedstock Disclosed is an improved hydroconversion process for the hydroconversion of heavy hydrocarbon feedstocks containing asphaltenes, metals, and sulfur compounds which process minimizes the production of carbonaceous insoluble solids and catalyst attrition ra...	05/24/1988
4725349	Process for the selective production of petrochemical products A process for the selective production of petrochemical products by thermal cracking is disclosed. The process includes feeding methanol to a thermal cracking atmosphere of hydrocarbons in such a way that the ratio, as carbon atoms, of methanol and at lea...	02/16/1988
4673486	Process for thermal cracking of residual oils An extraction residue obtained by solvent deasphalting of a residual oil is mixed with a carrier gas and thermally cracked at a temperature of 400° C. to 600° C. in a tube-type cracking apparatus to obtain cracked oil and pitch. The use of the carrier g...	06/16/1987
4568426	Controlled atmosphere oven An oven for heating a distillable material in a preselected gas atmosphere. The oven comprises an inner heating chamber adapted to receive a spherical gravity lid, the heating chamber being connected to and in communication with a gas exhaust tube having ...	02/04/1986
4512873	Process for low temperature carbonization of hydrogenation residues The residues obtained in the hydrogenation of oil, especially heavy oil, or of coal are subjected to low temperature carbonization in a drum, preferably a rotary drum, at temperatures between approximately 400° C. and approximately 600° C., by means of ...	04/23/1985
4279733	Coking prevention A method for reducing coking in quench units is disclosed, the method being characterized by removal of the coking materials from the quench liquid employed....	07/21/1981
4265732	Process and apparatus for endothermic reactions The invention is a method of handling the enthalpy of reaction of fast homogeneous gas-phase chemical reactions, by using mechanical energy in the form of work performed by moving surfaces in contact with the reactants, for adding energy to or removing en...	05/05/1981
4242196	Mass production system of highly aromatic petroleum pitch The mass production system disclosed herein provides a method for producing highly aromatic petroleum pitch, comprising, preheating a liquefied petroleum residuum to a temperature of 450°-520° C. by passing the same through a tubular heater for 0.5-15 m...	12/30/1980
4214979	Method of thermally cracking heavy petroleum oil Disclosed herein is a method of thermally cracking a heavy petroleum oil by introducing the heavy petroleum oil into a reactor and contacting the heavy petroleum oil thus introduced with a gas, which does not react with the heavy petroleum oil, at a tempe...	07/29/1980
4213848	Fluid coking and gasification process The heat requirements of a fluid coking zone are provided by introducing a hot vaporous hydrocarbon stream into the coking zone instead of the conventional hot coke stream. The fluid coking process may be integrated with a coke gasification process....	07/22/1980
4166025	Process for purifying aromatic hydrocarbons A process for purifying aromatic hydrocarbons contained in liquid products of refining petroleum fractions or liquid products of coal coking or low-temperature carbonization from non-aromatic hydrocarbons which comprises heat-treatment of said liquid prod...	08/28/1979
4077870	Method for electrically cracking petroleum crude A method for electrically cracking crude oil comprised of the steps of injecting a mixture of petroleum crude and an energy transfer medium into a cracking chamber in a continuous flow, supplying a high frequency electrical discharge into the energy trans...	03/07/1978
4036736	Process for producing synthetic coking coal and treating cracked oil Synthetic coking coal is produced by coking heavy hydrocarbons at a temperature greater than the temperatures which initiate cracking in the coker, and by removing the gaseous and liquid products from the coker at accelerated velocities. The thermally cra...	07/19/1977
3985820	Cracking process A process for cracking thermoplastic polymers to valuable products, primarily their monomers, comprising the following steps: A. converting the polymer into a liquid or fluidized stage; B. introducing the polymer from step (a) in droplet or particulate form in...	10/12/1976
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
3956101	Production of cokes High grade cokes are produced by a simple expedient such that a raw material oil is charged into a coking drum and is subjected therein to a two step operation, namely reforming of the oil and subsequent coking under bubbling into the oil of a heated non-...	05/11/1976

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Class 208/128 - Vapors