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7622693 |
Plasma whirl reactor apparatus and methods of use
Apparatus for synergistically combining a plasma with a comminution means such as a fluid kinetic energy mill (jet mill), preferably in a single reactor and/or in a single process step is provided...
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7513061 |
Sludge dehydrating processor for converting sludge including organic substance into resources of low water content
There has been achieved a sludge dehydrating processor with less mechanical operation and with satisfactory dehydrating efficiency and heating efficiency. In order to process and convert sludge...
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7377773 |
Method of reducing NOx emissions in rotary preheater mineral kilns
This invention relates to a method to further enhance NO x reduction in rotary preheater mineral kilns by coupling the temperature control and gas composition uniformity afforded by the high...
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7217903 |
Method for purifying gas using plasma discharge
A method is provided for purifying gases, particularly gases contaminated by environmentally harmful substances, by way of plasma discharge. The gas to be purified is guided through a thermal...
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7025006 |
Industrial and/or household waste treatment method and an industrial and/or household waste treatment installation
The invention relates to an industrial and/or household waste treatment method and to an industrial and/or household waste treatment installation ( 1 ). According to the invention, the method is...
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7019190 |
Soil remediation system
A process and apparatus for energy efficient remediation of soil contaminated with hydrocarbons, including desorbing the hydrocarbon contaminants from a bed of the soil by thermal desorption in a...
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6994035 |
Feed chute apparatus for gravity feeding tires and other materials into a rotating kiln
A feed chute apparatus for injecting fuel into a rotating cement kiln by gravity. The apparatus, which is positioned adjacent to a cement kiln and supported at an angle of inclination sufficient to...
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6932002 |
System and method of processing solid waste
A system and associated method of processing solid waste via a waste gasification process results in usable by-products. The method utilizes a rotary kiln heated to a temperature of at least 800°...
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6901868 |
Plant for the thermal treatment of material and operation process thereof
The plant for the thermal treatment of material, in particular scrap material, comprises at least a reaction zone within a rotary kiln having the longitudinal axis inclined of an angle in the range...
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6877444 |
Intermittent flow type thermal decomposer
A thermal decomposition system is disclosed which can decompose wastes thermally in a continuous manner and which is therefore superior in its working efficiency. In the thermal decomposition...
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6874435 |
Furnace for carbonizing
A furnace has a dual structure for carbonizing material. The furnace has a group of inner chambers and an outer chamber. Each of the inner chambers has a lid which can open and close to input the...
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6849160 |
Method and device for heat treatment of waste products
An apparatus and method are for the pyrolysis of waste. The aparatus has a rotating cell formed of a cylinder in combination with a truncated cone rotating on the same axis. The apparatus also has...
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6748881 |
Continuous pyrolysis furnace
A pyrolysis furnace is described enabling removal of solid and liquid organic contaminants from various metal parts in a continuous manner. A novel furnace contruction employing a rotating retort...
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6698365 |
Apparatus for thermal treatment using superheated steam
Material to be treated such as garbage is charged into a first rotary kiln 14 to be mainly dehydrated and charged into a second rotary kiln 18 to be carbonized. The first rotary kiln 14 has a...
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6691628 |
Method and apparatus for thermal processing of powder raw materials
In the manufacture of cement clinker from cement raw meal, sulfide-containing raw materials or raw materials with a high TOC (total organic carbon) level can be used for cement manufacture, which...
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6595772 |
Method and apparatus for the thermal treatment of mealy raw materials
To create a calcinator for a cement clinker production line which is connected to the rotary tubular kiln in series and which is equipped with double firings, in which it is possible expediently to...
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6552295 |
Plasma furnace disposal of hazardous wastes
A method and apparatus for plasma waste disposal of hazardous waste material, where the hazardous material is volatilized under vacuum inside a containment chamber to produce a pre-processed gas as...
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6474984 |
Air injection for nitrogen oxide reduction and improved product quality
A calcining system is operated in a substoichiometric mode for reducing nitrogen oxide generation and removing sulfur from materials to be processed by creating an oxygen deficient atmosphere. The...
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6470812 |
Method and apparatus for recovering energy from wastes by combustion in industrial furnaces
Method and apparatus to recover energy from waste by means of combustion of such waste in industrial furnaces, particularly of the rotary type, that has an external calciner, feeding such waste...
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6425685 |
Process for reclaiming salvaged asphalt
A process for reclaiming salvaged asphalt includes feeding salvaged asphalt mixed with new sands, stones and tar in a designed proportion into a double-layer drying machine including inner and...
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6405663 |
Method and apparatus for waste treatment
A method of waste water treatment including mixing waste material with a binder, pelletizing the mixture and kiln incineration of the pellets to ceramify same, with processing of flue gases. In an...
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6380507 |
Apparatus for feeding waste matter into a plasma arc furnace to produce reusable materials
Apparatus and a method are disclosed for generating energy from the essentially complete disassociation of organic matter in a plasma arc furnace operating under pyrolytic conditions. Energy is...
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6368103 |
Method and apparatus for reducing emissions in kiln exhaust
A method for reducing emissions of a kiln including a feed end, the method includes operating the kiln and spraying a slurry inside the kiln at least five feet from the feed end. Additionally, the...
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6345981 |
Controlled solid fuel thermolysis in preheater/precalciner kilns
A method and apparatus for controlling the combustion of fuel modules charged into a preheater or precalciner kiln above the transition shelf, typically into the riser duct, is described. The...
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6322355 |
Method and apparatus for disposing of waste dust generated in the manufacture of cement clinker
A method of disposing of undesirable chemical compounds in waste dust generated in a first kiln in the manufacture of cement clinker by using the dust and slag as the feedstock material to a second...
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6318278 |
Process for calcining an ore-based material
In this process the material is passed through a precalcination device equipped with at least one fuel injector at the outlet of which a fuel injection zone is formed, then the at least partially...
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6298690 |
Broken glass cleaning method and plant
A large tumbling device into which broken pieces of labeled glass such as beverage bottles, or cullet, are fed. After entering the interior chamber of the tumbler, the cullet is carried by a...
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6279492 |
Method of thermally decomposing waste materials
A method of burning tires in a horizontally rotating combuster includes the steps of loading the tires into a rotating combustion chamber through a traveling air lock and burning them until they...
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6273009 |
Method for automatized combustion and combustion apparatus
A method for automatized combustion of solid fuel in a combustion apparatus which comprises a burner with a device, which is rotatable about the center axis of the burner for stirring the fuel in...
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6253689 |
Incinerator
A waste incinerator which includes a housing formed by a heat insulating outer wall, air ducts; a decomposing chamber; a fire room; and a catalytic converter, all disposed in the housing. Waste is...
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6241514 |
Oxidant-driven dust recycling process and device for rotary kilns
A kiln adapted to recycle kiln dust includes a recycle dust pipe in fluid communication with an oxidant stream to increase the concentration of oxygen in the fluidized recycle dust before the...
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6231288 |
Conveyor head and lift for feeding tires into a rotating kiln
A tire conveyor and lift apparatus for conveying, lifting and orienting fuel tires for injection into a rotating cement kiln by force or by gravity. The apparatus brings tires from a tire source by...
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6222153 |
Pulsed-plasma incineration method
A method for the incineration of a fluid or fluidizable material by use of a pulsed plasma is disclosed. The plasma is produced by a confined discharge in a closed chamber having an exit port and...
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6210154 |
Treatment of exhaust gases from kilns
Emission of nitrogen oxides from a mineral-burning process, for example a cement-manufacturing process, is reduced by passing the exhaust gas from the rotary kiln in which the mineral raw materials...
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6203315 |
Rotary burner for solid fuel
A device for the combustion of solid fuel in the form of granules, pellets, chips or other fragmented or finely divided form, comprising a rotary reactor drum (1), which forms the main combustion...
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6202577 |
Method and apparatus for treating refuse
A municipal or like refuse, from which large articles of metals have been removed, is mixed with an alkaline substance like limestone preferably in a triple screw mixer, and then advanced along the...
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6199492 |
Process for melting down combustion residues into slag
A process for incinerating waste material to produce slag without the addition of fuel other than the waste material begins with carbonizing the waste material in a low temperature process in a...
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6176187 |
Sludge handling and feeding system
A system for handling aqueous sludge to a combustor such that pollutant emissions associated with combustion operations, e.g., cement manufacturing, are reduced. Sludge is accumulated at a...
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6132560 |
Rotary drum cooler having adjustable lifters
A rotary drum cooler having a shell for cooling particulate material (e.g. coke particles) wherein the volumetric capacity of the lifters within the shell which lift the material from the bottom of...
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6126907 |
Thermal decomposition apparatus of reversed temperature gradient type for polymer waste
A thermal decomposition apparatus for decomposing polymer waste is provided which is simple in structure, small in size and inexpensive, and also the operating cost thereof is low. A feed pipe 18...
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6101736 |
Apparatus for drying and processing raw food material
A combined spray and rotary drying apparatus includes a spray dryer having a housing defining a spray drying chamber, an annular inlet and an outlet. A burner and atomizer sprayer are provided in...
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6066825 |
Methods and apparatus for low NO.sub.x emissions during the production of electricity from waste treatment systems
Methods and apparatus for high efficiency generation of electricity and low oxides of nitrogen (NO x ) emissions are provided. The electricity is generated from combustion of hydrogen-rich gases...
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6050203 |
Method for use of solid waste as fuel for cement manufacture
A method and apparatus is described for environmentally sound usage of combustible hazardous waste as supplemental fuel in operating rotary cement kilns. The apparatus comprises an open port in the...
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6036484 |
Process for reprocessing slag and/or ash from the thermal treatment of refuse
In a process for reprocessing slag and/or ash from the thermal treatment of refuse, the refuse (1) is pyrolyzed, gasified or partially combusted in a first process step, heavy-metal-containing slag...
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6015963 |
Plasma arc furnace with improved replaceable electrodes
A plasma arc waste treatment furnace is equipped with a plasma arc torch having an electrode formed from a conductive refractory material. The refractory electrode can be operated at very high...
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6000936 |
Rotary oven
The invention relates to a rotating oven with a horizontal or inclined drum, of which at least the inner part is composed of a fireproof material and which is pivotably mounted around its...
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5967065 |
Method for disposing of paper in an asphalt plant
A method and apparatus for disposing of paper in an asphalt plant. The asphalt plant comprises a container for stone aggregate to be heated, a burner for producing a burner flame to provide thermal...
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5967062 |
Rotating tire combuster
An apparatus burns tires in a horizontally rotating combuster. The tires are loaded into a rotating combustion chamber through a traveling air lock and burned until they are reduced to ash....
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5944960 |
Carbonizing furnace
The carbonizing furnace of the present invention is capable of effectively making a large amount of carbides and reducing manufacturing cost and maintenance cost. The carbonizing furnace includes a...
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5938433 |
Soil remediation system having heat-loss dust decontamination apparatus
A soil remediation system having apparatus for decontaminating particulate matter or dust entrained in and exhausted with a hot gas stream from a rotary drum wherein the particulate matter is...
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