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| Number | Title | Issue Date |
| 4982027 | Process for the reprocessing of carbon containing wastes This invention relates to an improved process for the reprocessing of carbon containing wastes by pretreating the same thermally in the presence or absence of hydrogen, followed by hydrogenation of the pretreated material at elevated temperature and at le... | 01/01/1991 |
| 4931260 | Process and apparatus for the treatment of granular solid materials in a fluidized layer Solid material which is carried out of a fluidized bed reactor with the gas discharged therefrom and which is separated off in a separator is returned to the reactor by way of a recycling means. To reduce problems caused by virtue of differing pressure le... | 06/05/1990 |
| 4919687 | Apparatus for the production of gas containing hydrogen and carbon monoxide from solid fuel In a process and apparatus for the production of gas containing hydrogen and carbon monoxide from a solid fuel in a fluidized bed, the solid particles contained in the product gas are separated off in a cyclone separator and recycled to the fluidized bed ... | 04/24/1990 |
| 4881949 | Method of starting a gasifier For starting a gasifier for the gasification of carbonaceous fuel with an oxygen-bearing gasification agent in a fluidized bed, the gasifier is filled with an inert gaseous medium and put under an increased pressure. After sealing integrity has been estab... | 11/21/1989 |
| 4852994 | Process for the production of gas containing hydrogen and carbon monoxide from solid fuel In a process and apparatus for the production of gas containing hydrogen and carbon monoxide from a solid fuel in a fluidized bed, the solid particles contained in the product gas are separated off in a cyclone separator and recycled to the fluidized bed ... | 08/01/1989 |
| 4839148 | Method of removing SOx and NOx from effluent gas For the removal of SOx and NOx from effluent gas, the gas, before being passed through a Selective Catalytic Reduction catalyst bed for reduction of at least a part of the nitrogen oxides in the gas, is subjected to at least substant... | 06/13/1989 |
| 4779412 | Power generation process using a gas turbine In a power generation process using a gas turbine for conversion of the energy of gas which is produced by the gasification of a fossil carbon-bearing material such as brown coal, the gas is initially cleaned of dust and optionally desulfurised in the hot... | 10/25/1988 |
| 4740217 | Gasification process using fluidized bed reactor with concentric inlets In a process for the gasification of carbonaceous substances, exothermic and endothermic gasification agents are injected into the reaction area through at least one nozzle comprising at least two coaxial pipes, the outer pipe terminating short of the end... | 04/26/1988 |
| 4652407 | Gas cooling and washing apparatus In a dip-type cooler for cooling and washing flowing dust-laden hot gas, having a venturi passage which opens in a container with washing fluid therein, the edge of a feed pipe for feed of gas into the cooler, the edge of a protective tube surrounding the... | 03/24/1987 |
| 4569228 | Probe tube which can be introduced into a reaction container for detecting the operating condition of a medium A probe tube which is introduced into a reaction container for measuring the operating condition of a medium in the interior of the container has a first seal which is resistant to temperature and a second seal which is resistant to pressure and gas-tight... | 02/11/1986 |
| 4518567 | Reactor for the gasification of solid carbonaceous materials In a reactor for gasification of solid carbonaceous materials in a fluidized bed under elevated pressure and at high temperatures using a hot gasification agent, a feed device for the gasification agent is installed in the lower part of the reactor chambe... | 05/21/1985 |
| 4498632 | Process for grind-drying wet solid fuel In a process and apparatus for grinding and drying a solid fuel such as brown coal or lignite to form dust, in a fan type mill, in the presence of a hot drying gas with a low oxygen content, fine components of the fuel in dust form are separated out befor... | 02/12/1985 |
| 4478725 | Process for the oxidation of hydrogen sulphide dissolved in the waste water from a coal gasification process Hydrogen sulphide in the waste water from a coal gasification installation is subjected to an oxidizing treatment in the presence of the very fine-grain residual coke which, being washed out of the product gas, is suspended in the waste water, the residua... | 10/23/1984 |
| 4464479 | Method for treating red mud In order to improve the handling capability of red mud, it is mixed with fine-grain coal material such as brown coal or lignite in dust form, in a ratio by weight of between 0.5-10:1. The liquid present in the red mud is bound by the very fine coal admixe... | 08/07/1984 |
| 4463690 | Furnace chamber lining structure A lining for a furnace chamber which is at least approximately round in cross-section is divided into at least two layers in a radial direction and into at least two portions in an axial direction. A gas seal is disposed between the lining portions, the g... | 08/07/1984 |
| 4450777 | Process for removing noxious substances containing fluorine and/or sulfur from gaseous or liquid media A process is provided for removing noxious pollutants containing sulfur and/or fluorine compounds from gaseous or liquid media by adsorption of the compounds on coke. The coke is produced by conventional processes from lignite (brown coal) containing alka... | 05/29/1984 |
| 4447319 | Process for separating sand from a brown coal or lignite material containing sand In a process for separating sand from a brown coal or lignite material containing sand, wherein the sand is present entirely or predominantly in a grain size range covering only a part of the grain size range of the brown coal or lignite, with the grain s... | 05/08/1984 |
| 4428769 | Process for injecting a reducing agent including ash-bearing bituminous coal into the hearth of a blast furnace In a process for injecting a fine-grain carbon carrier including ash-bearing bituminous or hard coal into a blast furnace hearth, use is made of a mix of fine-grain bituminous coal and at least one other solid fine-grain ash-bearing carbon carrier. The co... | 01/31/1984 |
| 4406747 | Apparatus for the cooling of solid residues of gasification The present specification describes and claims a method and apparatus for use in cooling the solid residue of gasification of a reactor operated at a pressure above atmospheric for the gasification of carbonaceous materials. The residue of gasification is... | 09/27/1983 |
| 4117102 | Thermochemical process for producing methane and oxygen from carbon oxides and water The invention comprises a recirculatory process for producing hydrocarbons and oxygen in which sulphur dioxide is reacted with iodine and water to form a hydrogen polyiode or a hydrate thereof and sulphuric acid, the sulphuric acid is separated and therma... | 09/26/1978 |
| 4109701 | Method of conveying heat energy Disclosed is an improvement in the process of conveying heat energy by means of the exothermic and endothermic reactions involved in the conversion and re-forming of methane. According to the invention, methane is steam-reformed in an endothermic reaction... | 08/29/1978 |
| 4085200 | Thermochemical process for producing methane and oxygen The invention comprises a recirculatory process for producing methane and oxygen in which iodine and an oxide in a lower valency stage are reacted with methanol, dimethylether or a mixture thereof at an elevated temperature to form the corresponding oxide... | 04/18/1978 |
| 4080436 | Thermoelectrochemical cyclical process for production of hydrogen and oxygen from water A process for producing hydrogen and oxygen from water in a cyclical process wherein aqueous sulfuric acid, containing hydrogen bromide, is electrolyzed to form hydrogen and bromine. Bromine is reacted with sulfur dioxide and water into sulfuric acid and ... | 03/21/1978 |
| 4056607 | Thermochemical process for the production of hydrogen and oxygen from water In a thermochemical circulation process, hydrogen and oxygen are obtained from water wherein sulfuric acid and the paraffin hydrocarbon corresponding to the olefin used are formed from water, sulfur dioxide and a low-molecular weight olefin, particularly ... | 11/01/1977 |
| 4039651 | Process for closed-cycle thermochemical production of hydrogen and oxygen from water A closed-cycle multi-step thermochemical process is described for the production of hydrogen and oxygen from water. The disclosed process utilizes auxiliary compounds of the system iron-chlorine. By using the following two basic process steps: A. reacting... | 08/02/1977 |
| 4013781 | Process for obtaining hydrogen and oxygen from water using iron and chlorine Hydrogen and oxygen are obtained from water using a multi-step circulatory process using iron compounds and chlorine as adjuvants. Using three beds, respectively containing magnesium chloride, iron oxide and cuprous chloride, and by a four-step process in... | 03/22/1977 |
| 4011305 | Process for obtaining hydrogen and oxygen from water A process for the dissociation of water into hydrogen and oxygen in a multi-stage closed cycle process using a system involving at least one metallic element having multiple valency and at least one halogen, characterized in that a halide of the multiple ... | 03/08/1977 |
| 3980447 | Process for the manufacture of brown coal briquettes A process of manufacturing briquettes from brown coal includes drying brown coal, which is preferably in fine granular form. The dried brown coal is then heated at a first rate up to a temperature in a range of from about 300° to about 320° C. The brown... | 09/14/1976 |
| 3954444 | Process for the direct reduction of iron ores A process for the direct reduction of iron ores using a reducing gas mixture which is passed through a shaft furnace containing the ore to be reduced is disclosed. The process is characterized in that the partial flow of reducing gas mixture is removed fr... | 05/04/1976 |
