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7642394 |
Methods for recycling waste
Systems and methods for recycling waste and reclaiming beneficial and useful compositions such as organic solvents comprises a shredder, operating in an inerted or anaerobic atmosphere, which...
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7628892 |
System and process for the production of combustible substances by depolymerisation of rubber products
A system and process for the production of combustible substances by means of depolymerisation of rubber products, comprising a depressurized depolymerising device ( 1 ), inside which it takes...
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7481908 |
System and a process for obtaining high purity phenanthrene from phenanthrene enriched coal tar fraction
The present invention relates to a system and a process for obtaining phenanthrene of about 95% purity from coal tar distilled fraction containing crude phenanthrene by performing fractional...
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7264694 |
Retort heating apparatus and methods
A retort heating apparatus for processing a feed material includes a heating chamber bounded at least in part by a side wall. A plurality of baffles are at least partially disposed within the...
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7176341 |
Method and devices for producing naphthalene from coke produced from coke oven crude gas
A method and apparatus are disclosed for recovering pure naphthalene from hot crude coke oven gas. The hot crude coke oven gas is directly cooled by means of sprinkling water directly thereon, and...
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7108767 |
Pyrolysis machine
Useful byproducts are recovered through the pyrolytic processing of biomass material such as vegetation, paper, or worn tires. The process is conducted in a sealed enclosure under vacuum or other...
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7101463 |
Condensation and recovery of oil from pyrolysis gas
A system and process for the recovery of oil from the pyrolysis of material containing hydrocarbons such as shredded vehicle tires. The system utilizes a pair of sequentially positioned packed...
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6758945 |
Method and apparatus for quenching the coke drum vapor line in a coker
A method and apparatus for quenching the coke drum vapor line from a coke drum to the main fractionator in a coker unit whereby the volume of quench liquid prevents the drum vapor line from...
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6709573 |
Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids
Process and apparatus for extraction of oil and hydrocarbons from crushed hydrocarbonaceous solids, such as oil shale, involving the pyrolyzing of the crushed solids with liquid hydrocarbon and syn...
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6589395 |
Distillation plant with a column and a heat pump
The distillation plant comprises a column ( 1 ) and a heat pump ( 4, 5 ) which operates between a sump vaporizer ( 3 ) and an exhaust vapor compressor ( 2 ) of the column. The heat pump is...
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6168688 |
Method and plant for treating solid waste products by thermolysis
A method and apparatus is provided for the thermolysis of solid waste within an enclosed thermolysis chamber in the absence of free oxygen which produces a thermolysis off-gas. The thermolysis...
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6005149 |
Method and apparatus for processing organic materials to produce chemical gases and carbon char
The invention provides a practical and efficient method and apparatus for thermally processing organic based raw materials of either primary or secondary (recycled) origin, in order to extract...
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5824194 |
Fractionator system for delayed coking process
An improved coker fractionator system which permits withdrawing, from selected ports in the fractionator, streams of selected boiling point ranges for recovery of thermal energy and for altering...
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5464876 |
Process for the recovery of valuable materials during the work-up of polyvinyl chloride
Heating of polyvinyl chloride, in particular plasticizer-containing polyvinyl chloride, to a temperature of from 250° to 500° C. in the absence of oxygen gives a low-chlorine, carbon-containing...
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5451297 |
Treatment of automobile shredder residue by vacuum pyrolysis
Metals are recovered from automobile shredder residue by subjecting the shredder residue to vacuum pyrolysis to produce non-condensable gases, condensable hydrocarbon vapors and water vapor, and a...
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5366595 |
Mobile apparatus for pyrolyzing carbonaceous material and related method
A loading mechanism places waste material into a porous rotatable cylinder that is mounted for relative rotation within an air-tight housing. Once loaded, the housing is sealed and oxygen is...
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5342421 |
Pyrolytic gas treatment system
A pyrolytic converter utilizing a rotatable drum surrounded by an outer drum support structure and disposed in an oven chamber pyrolyzes materials including plastic waste, tires, materials from...
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4994174 |
Process and system for low-temperature carbonization of oil shale, oil sands or similar oil-bearing solids
A process and system for low-temperature carbonization of oil shale, oil sands and similar oil-bearing solids includes low-temperature carbonization of oil-bearing solids in a high-pressure...
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4851084 |
Procedure for operating a pyrolysis process
In a pyrolysis plant having a preliminary cooling stage and a final cooling stage, in the event of an operational malfunction of the preliminary cooling stage as indicated by temperature...
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4790910 |
Apparatus for extracting hydrocarbons from tar sands
An apparatus and method for extracting hydrocarbons from tar sands. Stationary heater plates have a central opening therethrough through which a horizontal axle extends. Rotors having a central hub...
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4746406 |
Pyrolyzing plastic or rubber wastes
Pyrolytic reprocessing of plastic, rubber, or other hydrocarbon materials in which the resultant pyrolysis gas is brought in a cooling stage to a temperature just above the freezing point of water...
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4740270 |
Vacuum pyrolysis of scrap tires
A process for the treatment of used rubber tires by vacuum pyrolysis in a reactor to produce liquid and gaseous hydrocarbons and a solid carbonaceous material is disclosed. According to the...
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4552621 |
Apparatus for thermal decomposition of polymeric materials
An apparatus comprises a reaction chamber provided with a charging hole, a branch pipe for discharging a suspension, and a branch pipe for withdrawing a vapor-gas phase which branch pipe is...
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4396487 |
Process for retorting oil shale and the like
The production of oil by retorting shale and other hydrocarbonaceous and lignocellulosic solid materials is facilitated by retorting in the presence of steam and acetic acid.
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4388152 |
Process for producing blast furnace grade coke, a distillable product and fuel gases from a heavy, high sulfur, crude oil
A process for producing a distillable hydrocarbonaceous stream, fuel gases and blast furnace grade coke from a heavy, high sulfur, crude oil by producing delayed coke from at least a portion of the...
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4359481 |
Liquid smoke concentrate
A liquid smoke concentrate having a 3,4-benzpyrene- and 1,2,5,6-dibenzanthracene content of less than 0.2 nanograms, having a tar content (calculated as polycyclic aromatic hydrocarbons) below 1...
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4351702 |
Processing of heavy high-sulfur feedstocks
A heavy high-sulfur hydrocarbonaceous feedstock is partially delayed coked and partially formcoked. The coke products are screened, with larger particles being calcined at desulfurizing...
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4317800 |
Process for simultaneously processing of used metal and/or metal _scrap and scrap containing halogenated hydrocarbons
A process for reducing environmental pollution resulting from disposal of waste containing halogenated hydrocarbons by simultaneous treatment with used metal and/or metal scrap at elevated...
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4309253 |
Method and apparatus for tar recovery from raw coking gas
To increase the temperature at which a tar separator operates which separates tar from condensate obtained by cooling coking gas produced by coking preheated coal, the condensate is preheated by...
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4305788 |
Process for the production of molded metallurgical coke from coal briquettes
The process for the production of molded metallurgical coke from dried coal or fine coal mixtures with a low swelling index particularly highly volatile fine coal comprises mixing normal washed...
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4288293 |
Form coke production with recovery of medium BTU gas
In the fluidized carbonization and calcination of coal to form a reactive coal calcinate for admixture with bituminous binder for briquetting, curing, and coking to produce form coke, the...
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4283253 |
Method and apparatus for processing filling gas from a coke oven battery
An improved coke oven battery and an improved method for production of coke and byproducts are provided. The filling gas escaping during the filling of the oven chambers with coal is initially...
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4265711 |
Method of enhancing distillate yield in a hydrocarbonaceous material thermocracking process
A method for destructive distillation of hydrocarbonaceous distilland is disclosed wherein a dienophile is introduced into the vaporous phase to reduce the production of non-distillable polymeric...
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4260473 |
Removal of particulates from pyrolytic oil
A process for producing organic liquid product from solid organic waste. The process comprises pyrolyzing the solid organic waste to produce pyrolysis vapors and solid pyrolysis residue. The solid...
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4239511 |
Process and apparatus for cooling coke oven gas
A two-stage process, and the apparatus for practicing the process, for cooling process gas are disclosed. The process gas is firstly air-cooled by convection to a temperature above the dew point of...
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4234389 |
Cooling naphthalene-bearing waters and gas streams
A method for cooling naphthalene containing gas streams using recirculated cooling water comprising physically separating suspended naphthalenic solids from the used cooling water, injecting a...
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4188195 |
Treatment of waste liquor
A waste liquor treatment system comprising an evaporator in combination with a gas cooler, the evaporator providing fractional distillation of waste liquor, thereby separating the liquor into its...
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4150548 |
Pollutant removal from pyrolytic gases by centrifuge and molecular sieves
Gaseous products produced by pyrolytic conversion of materials are treated in a series of stages in a closed system by progressively subjecting the gaseous products to decreasing temperatures...
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4145274 |
Pyrolysis with staged recovery
In a continuous process for recovery of values contained in a solid carbonaceous material, the carbonaceous material is comminuted and then subjected to flash pyrolysis in the presence of a...
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4141794 |
Grid-wall pyrolysis reactor
A carbonaceous material is pyrolyzed by introducing the carbonaceous material to a fast fluidized bed contained by a perforated wall and introducing a particulate source of heat through the...
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4118282 |
Process and apparatus for the destructive distillation of high molecular weight organic materials
A process and apparatus for the destructive distillation of high molecular weight organic materials such as organic wastes, particularly those containing hydrocarbon groups, using ultrasonic and...
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4106996 |
Method of improving the mechanical resistance of coke
A method of improving the mechanical resistance of coke comprises forming a liquor of fine grained coal and oil with the oil being of from 5% to 30% of the total weight, forming coal pellets of the...
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4104129 |
Low temperature carbonization and desulfurization of coal under elevated pressures
This invention concerns a carbonization and desulfurization process in which elevated pressures are used so that the product gases contain sufficient hydrogen for use as a recycle stream in the...
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4102773 |
Pyrolysis with cyclone burner
In a continuous process for recovery of values contained in a solid carbonaceous material, the carbonaceous material is comminuted and then subjected to flash pyrolysis in the presence of a...
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4098649 |
Conversion of organic waste material
Apparatus and the method of converting organic material such as that separated from municipal and industrial waste into useful products by using a form of an extruder in a continuous destructive...
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4050991 |
Pyrolytic reducer and condenser apparatus
A pyrolitic reducer and condenser apparatus within which waste material is reduced to char and volatiles with provision made for collecting heavy and light volatiles for their reuse. A reduction...
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4038152 |
Process and apparatus for the destructive distillation of waste material
An apparatus is provided for the destructive distillation of organic waste materials. An insulated sealed distillator compartment is provided having a plurality of conveyor stages for transporting...
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4004982 |
Superatmospheric pressure shale retorting process
In a continuous, solids upflow, gas downflow shale retorting process carried out at superatmospheric pressures, hydrostatic sealing means are provided at the shale inlet and retorted shale outlet...
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4003797 |
Superatmospheric pressure shale retorting process
In a continuous, solids upflow, gas downflow shale retorting process carried out at superatmospheric pressures, hydrostatic sealing means are provided at the shale inlet and retorted shale outlet...
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3971704 |
Method and apparatus for pollution free, destructively processing waste
Waste, preferably in a pre-dried state, is passed through a carbonizing oven chamber, from the top towards the bottom and is carbonized therein through interaction with a counter flow of heated...
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