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Class 196/14.52 - SOLVENT EXTRACTION


Subclass of Class 196 - Mineral oils: apparatus
Definition: Apparatus especially adapted for the solvent extraction
No. of patents: 148
Last issue date: 03/06/2012


1        
NumberTitleIssue Date
8128786RF heating to reduce the use of supplemental water added in the recovery of unconventional oil
Equipment and a process for separating bitumen from oil sand in a process stream are described. The equipment includes several processing vessels and one or more local area radio frequency applicators to selectively heat the process stream in local areas of the equi...
03/06/2012
8057640Deasphalting tar using stripping tower
Tar is contacted with stripping agent, such as steam or tail gas, in a stripping tower. A product comprising deasphalted tar is recovered as overheads and a product comprising heavy tar is recovered as bottoms from the stripping tower. ...
11/15/2011
8025773System for extending the range of hydrocarbon feeds in gas crackers
In a system for thermal cracking gaseous feedstocks, the system including a gas cracker for producing an effluent comprising olefins, at least one transfer line exchanger for the recovery of process energy from the effluent and a water quench tower system, a process...
09/27/2011
8025774Controlling tar by quenching cracked effluent from a liquid fed gas cracker
In a system for thermal cracking gaseous feedstocks, the system including a gas cracker for producing an effluent comprising olefins, at least one transfer line exchanger for the recovery of process energy from the effluent and a water quench tower system, a process...
09/27/2011
7591929Oil sand processing apparatus and control system
An apparatus for processing oil sand to produce a liquid stream comprising water and bitumen and a solid stream comprising solid particles, and a method and control system for controlling the apparatus. The apparatus includes a drum having first and second ends, a c...
09/22/2009
7556715Bituminous froth inline steam injection processing
An inline bitumen froth steam heater system is comprised of steam injection and static mixing devices. The steam heater system heats and de-aerates an input bitumen froth without creating downstream processing problems with the bitumen froth such as emulsification o...
07/07/2009
7431830Compact slurry preparation system for oil sand
Staged crushing combined with water addition and mixing is practiced at the mine site to prepare an oil sand slurry ready for hydrotransport. More particularly, as-mined oil sand is crushed to conveyable size (e.g. —24″) using a mobile crusher. The pre-crushed o...
10/07/2008
7407571Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds
A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed includes: an upgrader for receiving the heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasifier for receiv...
08/05/2008
7384557Method and apparatus for removing solute from a solid solute-bearing product
The process and apparatus are for removing a solute from a solute-bearing solid product by means of a solvent which remains in liquid state throughout the entire oil extraction process. In one embodiment, the solvent is normally in gazeous state at ambient temperatu...
06/10/2008
7381309Apparatus for prewashing a hydrocarbon stream containing hydrogen sulfide
Disclosed is an apparatus for extracting sulfur compounds from a hydrocarbon stream. A prewash section for converting hydrogen sulfide to sodium sulfide by reaction with an alkali such as caustic prepares the hydrocarbon stream for extraction. Spent alkali is contin...
06/03/2008
7342145Process for refining liquefied petroleum gas in a commercial scale
The present invention relates to a novel process for refining the liquefied petroleum gas (LPG) in a commercial scale. The process comprises: sequentially performing fine desulfurization and mercaptan conversion of the LPG after alcohol amine treatment through desul...
03/11/2008
7338563Process for cleaning hydrocarbons from soils
A combination of parallel processes is disclosed to provide optimal re-mediation operations for contaminated soil. Soils with high levels of heavy petroleum hydrocarbons are directed to a thermal process for destruction in a combustion process. Carbon dioxide genera...
03/04/2008
7175716Critical and supercritical cleaning of hydrocarbon-containing materials
A method for cleaning materials containing solids and/or liquids is disclosed which involves contacting the materials with an extracting fluid including Xe, NH3, lower aromatics, nitrous oxide, water, CO, CO2, H2O, lower alcohols, lo...
02/13/2007
7144498Supercritical hydrocarbon conversion process
Supercritical conversion of hydrocarbons boiling above 538° C. (1000° F.) with a solvating hydrocarbon at a weight ratio of solvating hydrocarbon to high-boiling hydrocarbons of at least 2:1 and at conditions above the critical temperature and pressure of the high...
12/05/2006
7045038Process for treating waste oil
There is disclosed a burnable used oil fuel product by the process comprising: (a) obtaining a used oil sample having at least 1% (by weight) aqueous substances; (b) heating the used oil sample to a temperature of ...
05/16/2006
6996917Two stage apparatus for desolventizing food grain meal
A desolventizing system for removing solvent from a quantity of solvent-laden particles such as flakes comprises first and second desolventizer units, each having an inlet port for receiving solvent-laden particles, an outlet port for discharging at least partially ...
02/14/2006
6962661Liquid—liquid extraction apparatus and method
Method and apparatus for contacting two liquid phases for liquid-liquid extraction in a vertical extraction vessel. A relatively heavier liquid phase, descending the extraction vessel at a relatively low volumetric flow rate, is dispersed into a continuous phase com...
11/08/2005
6955753Treatment of crude oils
A process and apparatus to extract and recover heavy metals and sulfur from crude oil or petroleum fuel products including the steps of emulsifying the crude oil with an emulsifying agent, adding a leach solution to the emulsified crude oil and leaching the emulsifi...
10/18/2005
6702936Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds
A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed comprising: an upgrader for receiving said heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasif...
03/09/2004
6375802Method of retrofitting existing equipment for an improved aromatics separation process
An improved process for the recovery of aromatic compounds from a mixture containing aromatic and non-aromatic compounds and method for retrofitting existing equipment for the same is provided. The improved process comprises the steps of recovering aromat...
04/23/2002
6274032Method of and means for upgrading hydrocarbons containing metals and asphaltenes
A hydrocarbon source feed is upgraded using a solvent deasphalting (SDA) unit employing a solvent having a critical temperature Tc by initially separating from a first hydrocarbon input stream fractions with an atmospheric equivalent boiling te...
08/14/2001
6258332Apparatus and method for collecting and recycling a petroleum by-product
The present invention provides for an apparatus and method for collecting and recycling a petroleum by-product such as hydrocarbon residue from crude oil. The apparatus comprises a container having a top, bottom, and sides, an internal heating element, an...
07/10/2001
6004455Solvent-free method and apparatus for removing bituminous oil from oil sands
A sand/liquid separator provides for the conditioning of oil sands. Clean sand is separated from the ore and discharged for use as backfill. The sand/liquid separator machine includes horizontal shafts with paddles that act on a fluidized bed. The overall...
12/21/1999
5998640Method for recovering oil from an oil-bearing solid material
A method and apparatus for continuously removing oil from oil-bearing solids such as tar sands, vegetables or other solid materials using a solvent is provided. By providing a pressure differential between the exterior and interior of an oil extraction ch...
12/07/1999
5976361Method of and means for upgrading hydrocarbons containing metals and asphaltenes
A hydrocarbon source feed is upgraded using a solvent deasphalting (SDA) unit employing a solvent having a critical temperature Tc by initially separating from a first hydrocarbon input stream fractions with an atmospheric equivalent boiling te...
11/02/1999
5944984Solvent deasphalting unit and method for using the same
An evaporative solvent recovery section operates on a plurality of liquid product streams including a liquid stream of deasphalted oil and solvent, and a liquid stream of asphaltene and solvent produced by a solvent deasphalting unit. Heat is added to one...
08/31/1999
5919355Method of and apparatus for processing heavy hydrocarbons
A fractioning solvent deasphalting plant applies a solvent whose critical temperature is Tc to a hydrocarbon feed containing asphaltenes and atmospheric distillate having fractions that boil above about Tc -50° F. such that said fee...
07/06/1999
5914010Apparatus for solvent-deasphalting residual oil containing asphaltenes
A feed stream of asphaltene-containing residual oil is processed by contacting the feed stream with a solvent to form a first primary liquid stream containing deasphalted oil (DAO) and some solvent, and a second primary liquid stream containing asphaltene...
06/22/1999
5911541Thin layer solvent extraction
A method for separating hydrocarbons from a soil, e.g. to separate bitumen from oil sands, involves mixing the soil thoroughly with water and a supply of buoyant beads having surfaces that are of oleophilic material and coated with a surface layer of hydr...
06/15/1999
5843384Plant for purifying spent oil
The invention concerns a plant for purifying spent oil, including apparatus for dehydration, preferably by atmospheric distillation, directly followed by vacuum distillation producing a residue and at least one distilled oil fraction. The vacuum residue d...
12/01/1998
5843302Solvent deasphalting unit capable of generating power
Solvent deasphalting apparatus includes a separator that receives two inputs, a heavy hydrocarbon feed and a solvent feed; and the apparatus produces two outputs, an asphaltene/solvent stream and a deasphalted oil/solvent stream. A solvent recovery unit o...
12/01/1998
5814286Apparatus for separating solvent in a feed of solvent and deasphalted oil
Apparatus for separating solvent in a feed of solvent and deasphalted oil produced in a deasphalting process includes a feed line for receiving the feed and constructed and arranged to produce a stream of fluid containing supercritical solvent and deaspha...
09/29/1998
5811607Composite shingle particle salvage system
A process and apparatus for the recovery of hydrocarbons from hydrocarbon containing composite materials, particularly roofing materials including asphalt and solid components to recover asphalt and the solid components. The process includes the steps of:...
09/22/1998
5804060Method of and apparatus for producing power in solvent deasphalting units
Power is generated in an organic Rankine cycle turbine by expanding a stream of solvent vapor produced by a flash drum in a deasphalting unit to produce a stream of expanded solvent vapor that is combined with a stream of solvent vapor and steam from a st...
09/08/1998
5711856Asphalt extracting apparatus
There is disclosed an asphalt extracting apparatus of the Soxhlet type in which a solvent evaporated from a flask is condensed by a cooling device and then dropped into the inside of a filter device such that asphalt in an asphalt mixture inside the filte...
01/27/1998
5632867Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery
In a solvent recovery plant including a recovery or distillation tower from which solvent product is recovered overhead, an isothermal separator, preferably a cyclone, is used to separate liquid phase contaminant (i.e. oil in a lubricating oil extraction ...
05/27/1997
5630911Apparatus for continuous removal of a solvent or other liquid from solid particles or granules
An apparatus for separating a solvent from solid or granular particles. The apparatus includes a fully enclosed vessel having multiple stages for effecting the solvent removal therein. Each stage includes an upper deck and a lower deck extending across th...
05/20/1997
5611894Method and apparatus for changing solvent composition in a solvent recovery system of a dewaxing apparatus
An apparatus for changing the solvent composition in a solvent recovery system of a dewaxing apparatus, depending on the type of stock oil, by introducing a part of dry solvent into a wet solvent tank to thereby increase or decrease a concentration of MEK...
03/18/1997
5534136Method and apparatus for the solvent extraction of oil from bitumen containing tar sand
A method and apparatus for extracting bitumen whereby tar sand containing bitumen components is contacted with a heated thinning oil mixture to reduce the tar sand viscosity and dissolve bitumen to form a lower viscosity feed slurry. The feed slurry is co...
07/09/1996
5480566Method for releasing and separating oil from oil sands
An oil sands separator includes a drum (10) having a solids discharge end (24) and a liquid discharge end (22) and a spiral ribbon (14) having a plurality of flights wound inside the interior of the drum. A first plate (28) partially closes the solids dis...
01/02/1996
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