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Apparatus for converting coal to hydrocarbons
InactiveUS6013158ALess producedLow costCombustible gas coke oven heatingDirect heating destructive distillationParticulatesSuspended particles
An apparatus for forming liquid hydrocarbons from solid coal. The coal is pulverized to provide a particulate coal feed, which is then extruded to provide a hollow tube of compressed coal supported inside of a support tube. A clay feed is extruded to provide a hollow tube of compressed clay supported inside of the coal tube and a combustible fuel is burned inside of the clay tube. The temperature of combustion is sufficient to fire the extruded clay and pyrolyze the extruded coal to produce hydrocarbon gases and coal char. The support tube has holes for releasing the hydrocarbon gases, which contain suspended particles formed during combustion. The suspended particles are removed from the hydrocarbon gases to provide clean gases, which are passed through an ionizing chamber to ionize at least a portion thereof. The ionized gases are then passed through a magnetic field to separate them from each other according to their molecular weight. Selected portions of at least some of the separated gases are mixed, and the mixed gases are cooled to provide at least one liquid hydrocarbon product of predetermined composition. Portions of the separated gases may also be mixed with the coal char and other input streams, such as waste plastics, and further treated to provide other hydrocarbon products.
Owner:WOOTTEN WILLIAM A
Low Temperature Gasification Facility with a Horizontally Oriented Gasifier
A low-temperature gasification system comprising a horizontally oriented gasifier is provided that optimizes the extraction of gaseous molecules from carbonaceous feedstock while minimizing waste heat. The system comprises a plurality of integrated subsystems that work together to convert municipal solid waste (MSW) into electricity. The subsystems comprised by the low-temperature gasification system are: a Municipal Solid Waste Handling System; a Plastics Handling System; a Horizontally Oriented Gasifier with Lateral Transfer Units System; a Gas Reformulating System; a Heat Recycling System; a Gas Conditioning System; a Residue Conditioning System; a Gas Homogenization System and a Control System.
Owner:PLASCO CONVERSION TECH INC
System and process for producing synthetic liquid hydrocarbon
ActiveUS20080115415A1Improve carbon efficiencyReduce area requirementsMuffle furnacesCarbon compoundsOxygenElectrolysis of water
Production of synthetic liquid hydrocarbon fuel from carbon containing moieties such as biomass, coal, methane, naphtha as a carbon source and hydrogen from a carbon-free energy source is disclosed. The biomass can be fed to a gasifier along with hydrogen, oxygen, steam and recycled carbon dioxide. The synthesis gas from the gasifier exhaust is sent to a liquid hydrocarbon conversion reactor to form liquid hydrocarbon molecules. Unreacted CO & H2 can be recycled to the gasifier along with CO2 from the liquid hydrocarbon conversion reactor system. Hydrogen can be obtained from electrolysis of water, thermo-chemical cycles or directly by using energy from carbon-free energy sources.
Owner:PURDUE RES FOUND INC
Portable hydrogen generator
A hydrogen generation system includes a fuel container, a spent fuel container, a catalyst system and a control system for generating hydrogen in a manner which provides for a compact and efficient construction while producing hydrogen from a reaction involving a hydride solution such as sodium borohydride.
Owner:SILICON VALLEY BANK
Batch pyrolysis system
InactiveUS20060163053A1Quality improvementImprove throughputProductsBeehive ovensBatch processingProcess engineering
Disclosed is a scaleable pyrolysis system for batch processing of waste vehicle tires and other waste to provide pyrolysis products. The core pyrolysis system includes one or more batch reactors, heating units, solids processing units, gas / liquid processing units and control units. In operation, the temperature gradients internal to the reactor are controlled by preferential channeling of heat to provide pyrolysis products that are of high quality, and hence commercially advantageous, while facilitating high throughput.
Owner:ERSHAG BENGT STURE
Method and apparatus to protect synthesis gas via flash pyrolysis and gasification in a molten liquid
InactiveUS20080307703A1Improve efficiencyLittle heating lossWaste based fuelRetortsSyngasThermodynamics
Disclosed are a method and a corresponding apparatus for converting a biomass reactant into synthesis gas. The method includes the steps of (1) heating biomass in a first molten liquid bath at a first temperature, wherein the first temperature is at least about 100° C., but less than the decomposition temperature of the biomass, wherein gas comprising water is evaporated and air is pressed from the biomass, thereby yielding dried biomass with minimal air content. (2) Recapturing the moisture evaporated from the biomass in step 1 for use in the process gas. (3) Heating the dried biomass in a second molten liquid bath at a second temperature, wherein the second temperature is sufficiently high to cause flash pyrolysis of the dried biomass, thereby yielding product gases, tar, and char. (4) Inserting recaptured steam into the process gas, which may optionally include external natural gas or hydrogen gas or recycled syngas for mixing and reforming with tar and non-condensable gases. (5) Further reacting the product gases, tar, and char with the process gas within a third molten liquid bath at a third temperature which is equal to or greater than the second temperature within the second molten liquid bath, thereby yielding high quality and relatively clean synthesis gas after a relatively long residence time needed for char gasification. A portion of the synthesis gas so formed is combusted to heat the first, second, and third molten liquid baths, unless external natural or hydrogen gas is available for this use.
Owner:US SEC AGRI +1
System and method for generation of high pressure air in an integrated gasification combined cycle system
InactiveUS20080115478A1Reduces capital equipment cost and operational costEasy temperature controlMuffle furnacesCombustion enginesAir separationProcess engineering
An integrated gasification combined cycle system. In one embodiment (FIG. 2) a system (200) includes an ion transport membrane air separation unit (210) for producing oxygen-enriched gas (209) and oxygen-depleted air (227), a gasification system (5) for generating syngas with the oxygen-enriched gas (209), a gas combustor (234) for reacting the syngas (224), and a subsystem configured to provide a first stream of air to the combustor (234) at a first pressure and to provide a second stream of air to the air separation unit (210) at a second pressure greater than the first pressure. The subsystem includes a compressor (230) having multi-pressure outlets (203, 204).
Owner:SIEMENS ENERGY INC
Hydrogen generating fuel cell cartridges
InactiveUS20060191199A1Extended shelf lifeEfficient productionThermal non-catalytic crackingReactant parameters controlFuel cellsHydrogen
A gas-generating apparatus includes a reaction chamber having a first reactant, a reservoir having an optional second reactant, and a self-regulated flow control device. The self-regulated flow control device stops the flow of reactant from the reservoir to the reaction chamber when the pressure of the reaction chamber reaches a predetermined level. Methods of operating the gas-generated apparatus and the self-regulated flow control device, including the cycling of a shut-off valve of the gas-generated apparatus and the cycling of the self-regulated flow control device are also described.
Owner:INTELLIGENT ENERGY LTD
Gasifier comprising vertically successive processing regions
InactiveUS20070289216A1Suitable for processingGasifier feeding meansMuffle furnacesEngineeringProduct gas
The present invention provides a vertically oriented gasifier comprising vertically successive processing regions for conversion of carbonaceous feedstock into gas. The gasifier comprises of: one or more processing chambers with two or more vertically successive processing regions being distributed within said one or more processing chambers, within each one of which a respective process selected from the group consisting of drying, volatilization and carbon conversion is at least partially favoured, The processing regions are identified by temperature ranges respectively enabling each said respective process. One or more additive input elements are associated with the processing regions for inputting additives to promote each said at least partially favoured process therein. In addition, the gasifier comprises one or more material displacement control modules adapted to control a vertical movement of the feedstock through said processing regions to enhance each said at least partially favoured process, one or more feedstock inputs located near a first of said processing regions and one or more gas outputs and one or more residue outputs.
Owner:PLASCO ENERGY GROUP INC
Synthetic fuel production methods and apparatuses
InactiveUS20080098654A1Promote conversionReduce the amount requiredMuffle furnacesRetortsLiquid hydrocarbonsLiquid fuel
Carbon-containing tail gases and pollutants in a coal-to-liquid hydrocarbon production process, or other liquid fuel production process, may be reacted to produce additional synthesis gas which may be used to produce liquid fuels and hydrocarbons or which may be recycled within the liquid fuel production process to improve conversion of carbon to liquid fuels or hydrocarbons.
Owner:BATTELLE ENERGY ALLIANCE LLC
Process and device for the pyrolysis of feedstock
InactiveUS7947155B1Thermal non-catalytic crackingCombustible gas coke oven heatingVolatilesEngineering
This invention involves pyrolysis of feedstock by introducing carbonaceous feedstock, into a hopper and moving it into a reactor tube enclosed in an oven, generating heat within the oven that is in part transferred to the feedstock, heating it to sufficient temperature to pyrolyze the feedstock into useful volatiles and char. A Venturi system produces a negative pressure directing volatiles into a pyro-gas oven producing heat necessary for pyrolysis and generating useful excess heat. The extruded pyrolysis char has uses including charcoal fuel, soil amendments, and activated charcoal while liquids can be produced for processing into fuels. Excess heat may be used to heat water, steam, and air, may be used in air heating and cooling systems, perform mechanical work with a Stirling engine or generate electricity on the order of 100 kW and higher. The system may be operated in a carbon neutral or even carbon negative manner, allowing sequestration of atmospheric carbon dioxide.
Owner:GREEN LIQUID & GAS TECH
Pyrolysis Systems, Methods, and Resultants Derived Therefrom
ActiveUS20080286557A1Fit closelyWithout undesired degradation of communication system performanceLayered productsUsing liquid separation agentActivated carbon filtrationSilicon dioxide
A system and process for gasification of a carbonaceous feedstock uses pyrolysis to produce a gas product, which may include methane, ethane, and other desirable hydrocarbon gases, and a solids product, which includes activated carbon or carbon. The gas product may then be filtered using at least a portion of the activated carbon from the solids product as a filtering medium. In an embodiment, at least some of the noxious chemicals are sequestered or removed from the gas product in one or more filtering steps using the activated carbon as a filtering medium. In a further embodiment, the filtering steps are performed in stages using activated carbon at different temperatures. A high-temperature pyrolysis system that produces activated carbon may be combined with another high-temperature pyrolysis system that does not produce activated carbon to provide filtering of noxious compounds using activated carbon from the first high-temperature pyrolysis system. A high-temperature pyrolysis system may be combined with one or more low-temperature feedstock conversion processes such that waste heat from the high-temperature pyrolysis system is used to operate the low-temperature process. A novel non-wetting carbon having pores fused with silica can be produced from using the system and process.
Owner:TUCKER RICHARD D
Autothermal and mobile torrefaction devices
ActiveUS20090250331A1Increased cost-effectivenessLow costCombustible gas coke oven heatingCharging-discharging device combinationsCombustorEngineering
The present invention provides an autothermal torrefaction device, which can be either stationary of mobile. Embodiments of the present invention include a torrefaction chamber having a chamber inlet for receiving biomass and at least one chamber outlet. The torrefaction chamber can be substantially surrounded by an exterior housing defining an outer jacket and having a jacket inlet and a jacket outlet. The outer jacket and torrefaction chamber define a space therebetween such that a burner unit including an inlet operatively connected to the chamber outlet and an outlet operatively connected to the jacket inlet allows vapors produced or released from within the torrefaction chamber to travel into the burner unit for combustion of at least a portion of the vapors and subsequently travel through the space between the jacket and the torrefaction chamber to provide heat necessary for autothermal torrefaction of biomass.
Owner:NORTH CAROLINA STATE UNIV
Pyrolyzer furnace apparatus and method for operation thereof
InactiveUS20080149471A1Weaken energyLower Level RequirementsMechanical conveying coke ovensDirect heating destructive distillationCombustion chamberDrive shaft
A pyrolyzer and method is provided for devolatizing coal and other volatile materials. The pyrolyzer has a pyrolyzer furnace housing having at least two screws laterally positioned adjacent and overlapping rotatably mounted within the furnace for moving volatile material through the pyrolyzer furnace housing. The screws have hollow drive shafts with a diverter inside for converging heated fluid to heat the volatile material moving through the pyrolyzer furnace housing. A combustion chamber combusts fuel to create heated exhaust gas for directing through the hollow drive shafts to heat the volatile material. The pyrolyzer furnace housing may have a double wall with a cavity between, capable of receiving heated fluid for further heating of volatile material moving through the pyrolyzer furnace housing.
Owner:NUCOR CORP
Process for pyrolyzing tire shreds and tire pyrolysis systems
Tire pyrolysis systems and processes are provided which include feeding tire shreds to a pyrolysis reactor, pyrolyzing the shreds in a pyrolysis reactor to produce a hydrocarbon-containing gas stream and carbon-containing solid, removing the carbon-containing solid from the reactor, directing the hydrocarbon-containing gas stream into a separator, contacting the hydrocarbon-containing gas stream with an oil spray in the separator thereby washing particulate from the hydrocarbon-containing gas stream and condensing a portion of the gas stream to oil, removing and cooling the oil from the separator, directing non-condensed gas from the gas stream away from the separator, and directing a portion of the cooled oil removed from the separator to an inlet of the separator for use as the separator oil spray. A process is also provided in which solids from the pyrolysis reactor are directed to an auger having a pressure which is greater than the pressure in the pyrolysis reactor, and in which non-condensed gas from the gas stream after condensing a portion of the gas is directed to at least one burner in heat exchange relation with the pyrolysis reactor, and burned to heat the reactor and generate an effluent flue gas, a portion of which effluent flue gas is cooled and injected into the auger which is a trough auger in one embodiment.
Owner:RENAISSANCE ENERGY GROUP
Method and device for thermal ablative pyrolysis of biomass
InactiveUS7438785B2Available heating surfaceWithdrawal of pyrolysis products is moreover simplifiedCombustible gas coke oven heatingSolid waste disposalProcess engineeringMaterial supply
Owner:PYTEC THERMOCHEM ANLAGEN
Method and apparatus for reclaiming oil from waste plastic
InactiveUS6172271B1Increase productionContinuous operationThermal non-catalytic crackingHydrocarbon distillationForeign matterBoiling point
Owner:MITSUBISHI HEAVY IND LTD
Method and apparatus to facilitate substitute natural gas production
ActiveUS20100018115A1Easy to operateReduce installationMuffle furnacesGasifier mechanical detailsForming gasProduct gas
A method of producing substitute natural gas (SNG) includes providing a gasification reactor having a cavity defined at least partially by a first wall. The reactor also includes a first passage defined at least partially by at least a portion of the first wall and a second wall, wherein the first passage is in heat transfer communication with the first wall. The reactor further includes a second passage defined at least partially by at least a portion of the second wall and a third wall. The method also includes coupling the cavity in flow communication with the first and second passages. The method further includes producing a first synthetic gas (syngas) stream within the cavity. The method also includes channeling at least a portion of the first syngas stream to the first and second passages.
Owner:AIR PROD & CHEM INC
Batch thermolytic distillation of carbonaceous material
InactiveUS20030196884A1Minimizes disposal problemMinimizing substantially exposure to riskCharging-discharging device combinationsDirect heating destructive distillationDistillationTin
A distillation system is provided for batch thermolytic distillation of lump carbonaceous material, such as lump wood and shredded rubber tires. The system preferably includes multiple distillation units mounted side-by-side. Each unit includes a reactor bath for holding molten tin at approximately 455° C., a two-compartment reservoir for storing molten tin, and a porous basket pivotally mounted within the reactor bath for tipping motion. A process for batch thermolytic distillation of lump carbonaceous material includes rotating the porous basket into a reactor bath by rotating the basket about an axis passing through the reactor bath; putting a charge of wood into the basket; closing a retractable lid onto the reactor bath; filling the reactor bath with molten material to produce gas and char by thermolytic conversion of the charge, draining the reactor bath of molten material while the lid is closed; quenching the char in the reactor bath with steam; opening the lid; and tipping the char from the basket.
Owner:SECTOR CAPITAL CORP
Processing method and system to convert garbage to oil
InactiveUS6387221B1Improve rendering capabilitiesIncrease speedCombustible gas coke oven heatingDirect heating destructive distillationPetroleum productHydrocotyle bowlesioides
Garbage and waste of all types that includes or comprises organic matter, particularly including medical waste, plastics, paper, food waste, animal by-products, and the like, can be economically recycled into petroleum products, including oil. Machinery performs a method that mimics natural processes but accomplishes the task in minutes, at rates of about 15 tons per day in a typical processing machine, rather than taking hundreds of thousands of years in nature. The process and apparatus of the invention may chop the waste into small pieces, under negative pressure if appropriate, and then pass the waste into first and then second augers for compression and heating. Destructive distillation occurs, in which large molecular weight hydrocarbons and petrochemicals are heated by hot oil passing through the hollow shaft and by circulating hot, dense, hard material, such as steel balls or fragments or hard rock pieces and such, under pressure with steam, to produce low molecular weight hydrocarbons. The volatile hydrocarbons are released through a pressure relief valve, into a column of catalyst material, and then to a heat exchanger, which cools the gases to condensation temperatures of water and oil. Gases remaining, such as methane, are passed to a furnace or other use, and the water and oil are separated. The hot items used to put heat into the compressed material in the first stage auger are retrieved after processing is completed and then reheated and cycled back into the first stage auger.
Owner:WASTE PROCESSORS INC TOM BECVAR TRACEY MUSGROVE & HIMSELF
Production enhancement for a reactor
InactiveUS6981994B2Increased hydrogen productionIncrease productionHydrogenMuffle furnacesCombustionProduct gas
This invention is directed to a process for increasing production of product that is formed in a reactor having a combustion section in which fuel is burned to produce heat to drive an endothermic reaction occurring within a reaction section. Production is increased by adding supplemental oxygen to air or other oxygen containing gas used to support combustion in the combustion section, thereby to generate more heat to support an increase in the endothermic reaction. Additionally, supplemental oxygen can be introduced into the reaction section to partially oxidize a reactant to generate heat and to allow an increase in the production of the product. Supplemental oxygen may be added directly to the steam-methane mixture, or to the combustion air.
Owner:PRAXAIR TECH INC
Apparatus and process for separation of organic materials from attached insoluble solids, and conversion into useful products
InactiveUS20050113611A1Efficient removalReduce slurry viscosityMechanical conveying coke ovensSolid waste disposalHigh energyWaste product
The present invention addresses the processing of waste and low-value products that contain bone material to produce useful materials in reliable purities and compositions, at acceptable cost, and with high energy efficiency. In particular, the invention comprises a process that converts various feedstocks such as offal, animal manures, and municipal sewage sludge, to useful materials including gas, oil, specialty chemicals, and carbon solids. The process heats the feedstock in order to breakdown proteins and separate organic material from bone material, applies further heat and pressure to the resulting liquid mixture, separates out various components, then further applies heat and pressure to one or more of those components. The invention further comprises an apparatus for performing a process of converting waste products into useful materials, and an oil product that arises from the process.
Owner:SYNPET TEKNOLOJI GELISTIRME
Methods and apparatus for pyrolyzing material
InactiveUS20080128259A1Direct heating destructive distillationIndirect and direct heating destructive distillationHydrogenProcess engineering
Methods and systems for substantially continuously treating comminuted material containing carbon and hydrogen, for example, used tires, are provided. The methods include the steps of introducing the tire material to an elongated chamber, transferring the tire material through the elongated chamber, heating the tire material to a temperature sufficient to pyrolyze the material to produce a gaseous stream; discharging the gaseous stream from the chamber, and cooling at least some of the gaseous stream to liquefy components of the stream. The transfer may be effected by a flexible, center-less screw conveyor to minimize material buildup in the vessel. The cooling of the gaseous stream may be practiced by reverse condensation. One or more re-usable fuel streams are provided by aspects of the invention.
Owner:KOSTEK STANISLAW
Method and system for the torrefaction of lignocellulosic material
InactiveUS20110041392A1BiofuelsIndirect and direct heating destructive distillationCelluloseProcess engineering
Owner:ANDRITZ TECH & ASSET MANAGEMENT
Refractory armored quench ring
InactiveUS20050132647A1Minimize thermal stressAvoid exposureMuffle furnacesGasifier mechanical detailsFiberBrick
An improved quench ring in combination with a reactor vessel having a refractory lined reaction chamber with a bottom outlet and a floor to support the refractory lined reaction chamber, wherein the quench ring is protected by a protective barrier comprising dense refractory brick, dense refractory ramming mix, refractory ceramic fiber, and a metal apron support. The protective barrier is removably attached to a portion of the quench ring hotface and protects the quench ring from the high temperature of the effluent exiting the reaction chamber.
Owner:TEXACO INC +1
Coke drum bottom de-heading system
InactiveUS6964727B2Efficient and cost-effective and safeSimplified and reliableCharging-discharging device combinationsMan-operated mechanismWindow shutterComputer module
The present invention features a coke drum de-heading system comprising (a) at least one coke drum having an orifice therein; (b) a de-header valve removably coupled to the coke drum designed to de-head the coke drum; and (c) an exchange system, including an upper and lower bonnet and other elements and members adapted to integrate the de-heading system, and particularly the de-header valve, into the manufacturing system. The de-header valve itself comprises (1) a main body having an orifice dimensioned to align with and couple to, in a concentric relationship, the orifice of the coke drum; (2) a live loaded seat assembly coupled to the main body and comprising a dynamic, live loaded seat, a live seat adjustment mechanism coupled to the main body and designed to control and adjust the force and resulting seat load of the dynamic, live loaded seat, and a force transfer module in juxtaposition to the dynamic, live loaded seat for transferring the force from the live loaded seat adjustment mechanism to the dynamic, live loaded seat; (3) a static seat positioned opposite from and counteracting or counterbalancing the dynamic, live loaded seat; and (4) a blind or sliding blind capable moving in a linear, bi-directional manner within the de-header valve and between the dynamic, live loaded seat and the static seat, such that upon actuation of the blind from a closed position to an open position, the coke drum is de-headed.
Owner:DELTAVALVE
Apparatus for pyrolyzing tire shreds and tire pyrolysis systems
InactiveUS7329329B2Muffle furnacesIndirect and direct heating destructive distillationParticulatesCombustor
Tire pyrolysis systems and processes are provided which include feeding tire shreds to a pyrolysis reactor, pyrolyzing the shreds in a pyrolysis reactor to produce a hydrocarbon-containing gas stream and carbon-containing solid, removing the carbon-containing solid from the reactor, directing the hydrocarbon-containing gas stream into a separator, contacting the hydrocarbon-containing gas stream with an oil spray in the separator thereby washing particulate from the hydrocarbon-containing gas stream and condensing a portion of the gas stream to oil, removing and cooling the oil from the separator, directing non-condensed gas from the gas stream away from the separator, and directing a portion of the cooled oil removed from the separator to an inlet of the separator for use as the separator oil spray. A process is also provided in which solids from the pyrolysis reactor are directed to an auger having a pressure which is greater than the pressure in the pyrolysis reactor, and in which non-condensed gas from the gas stream after condensing a portion of the gas is directed to at least one burner in heat exchange relation with the pyrolysis reactor, and burned to heat the reactor and generate an effluent flue gas, a portion of which effluent flue gas is cooled and injected into the auger which is a trough auger in one embodiment.
Owner:RENAISSANCE ENERGY GROUP
Auxiliary reactor for a hydrocarbon reforming system
InactiveUS6986797B1Thermal non-catalytic crackingFluidized bed combustionCombustorNuclear engineering
An auxiliary reactor for use with a reformer reactor having at least one reaction zone, and including a burner for burning fuel and creating a heated auxiliary reactor gas stream, and heat exchanger for transferring heat from auxiliary reactor gas stream and heat transfer medium, preferably two-phase water, to reformer reaction zone. Auxiliary reactor may include first cylindrical wall defining a chamber for burning fuel and creating a heated auxiliary reactor gas stream, the chamber having an inlet end, an outlet end, a second cylindrical wall surrounding first wall and a second annular chamber there between. The reactor being configured so heated auxiliary reactor gas flows out the outlet end and into and through second annular chamber and conduit which is disposed in second annular chamber, the conduit adapted to carry heat transfer medium and being connectable to reformer reaction zone for additional heat exchange.
Owner:POWERTAP HYDROGEN FUELING CORP
Portable hydrogen generator
A hydrogen generation system includes a fuel container, a spent fuel container, a catalyst system and a control system for generating hydrogen in a manner which provides for a compact and efficient construction while producing hydrogen from a reaction involving a hydride solution such as sodium borohydride.
Owner:SILICON VALLEY BANK
Gasifier and gasifier system for pyrolizing organic materials
InactiveUS7976593B2Lower buildCost of operationMuffle furnacesGasifier mechanical detailsMechanical engineeringEngineering
A gasifier and gasifier system based on the gasifier, which contains as a major component, a novel feed system for feeding organic materials into the burn pile of the gasifier. The gasifier feed system is a horizontal auger driven feed system that feeds directly through a ceramic elbow into the furnace without having to auger the feed through significant vertical elevations.
Owner:HEAT TRANSFER INT
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