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7604787 |
Process for sequestering carbon dioxide and sulfur dioxide
A process for sequestering carbon dioxide, which includes reacting a silicate based material with an acid to form a suspension, and combining the suspension with carbon dioxide to create active...
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7238223 |
Acoustical stimulation of vapor diffusion system and method
An apparatus for removing constituents from a fluid stream is provided. The apparatus includes a duct, a collection device, a sorbent injector, and an acoustic generator. The duct has a fluid...
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6818043 |
Vapor-phase contaminant removal by injection of fine sorbent slurries
A method for efficiently removing vapor-phase contaminants from gas streams is described. A powdered adsorbent such as activated carbon is ground into a fine powder by wet grinding to form a...
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5618430 |
Process for performing reactions
The invention relates to a process for performing chemical and/or physical and/or biological reactions, in which the reactants are brought into operative connection with reaction particles 13...
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5338456 |
Water purification system and method
A water purification process for removing dissolved solids of the type that are normally present in a municipal water supply or the like. The process uses a forced draft decarbonator having an...
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5284557 |
Method for desulfurizing exhaust smoke
A method for desulfurizing an exhaust gas containing SO 2 and NO x in accordance with a wet lime process, the aforesaid desulfurizing method being characterized by comprising the steps of drawing...
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5246471 |
Method and apparatus for gas liquid contact
A gas-liquid contact system for absorption of gaseous contaminants in an absorptive liquid where contact is attained by a controlled flow relationship between the gas and the liquid forming a...
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5018457 |
Waste treatment system
Method and apparatus for processing hazardous waste by incinerating the hazardous waste to a temperature sufficient to break down the hazardous waste; directing at least a portion of the exhaust...
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4874402 |
Process for purifying and cooling a hot gas
A process for cooling and cleaning a hot fly ash containing synthesis gas wherein the gas is first passed through a cooler, the bulk of the fly ash being separated from the cooled gas in a cyclone,...
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4834955 |
Chemical formulation and combined process for inhibiting deposition and corrosion in cooling water and gypsum scaling in flue gas desulfurization scrubber systems
An inhibitor formulation for inhibiting corrosion and deposition of calcium phosphate, calcium carbonate, and silt in a cooling water system and calcium sulphate (gypsum) scaling in a flue gas...
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4793831 |
Process for purifying flue gases
A process for purifying flue gases by conducting the hot gases through a dry purification stage, and then through a pebble bed evaporator containing pebbles and a liquid. The flue gases then exit...
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4609388 |
Gas separation process
A process for separating acid gases such as CO 2 , H 2 S, and SO 2 , other sulfur-containing molecules such as COS, and other relatively high boiling point impurities from lower boiling point...
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4600561 |
Method and device for separating harmful substances from a flue gas
In the method and device for separation of harmful substances from a flue gas, in an absorption-heat exchanger arrangement both washing and also cooling of the flue gas is carried out, the flue gas...
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4584000 |
Liquid spraying
A method of treating a polluted gas e.g. desulphurizing a sulphur dioxide-containing flue gas is carried out by spraying the flue gas with a slurry of e.g. calcium hydroxide, under spray drying...
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4501722 |
Absorption of pollutant material from a polluted gas
In a method of absorbing pollutant material e.g. sulphur dioxide from a polluted gas, an aqueous suspension of a solid absorbent e.g. calcium hydroxide is sprayed into the gas; and the ambient...
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4500333 |
Aqueous electrolyte desiccation of substantially supercritical CO.sub.2
The drying of moist CO 2 at conditions above or near the critical point of CO 2 is improved by contacting the CO 2 with an aqueous liquid electrolyte desiccant.
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4492593 |
Sequential liquid solid desiccation of supercritical and nearcritical CO.sub. 2
The drying of moist CO 2 , at conditions above or near its critical point, is improved by contacting the CO 2 first with an aqueous liquid desiccant and then with a permeable solid desiccant.
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4446109 |
System for dry scrubbing of flue gas
A flue gas dry scrubbing system achieves higher sulfur dioxide removal efficiency with a better utilization of alkali reagent chemicals as well as increased dry product recovery performance using a...
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4375976 |
Method and apparatus for recovering particulate matter from gas stream
Filter apparatus and a method for removing dry combustible particulate material from a stream of gas in two steps of separation, utilizing a primary separator to remove the majority of the material...
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4227892 |
Method and apparatus for removing micronized coal from steam
Micronized coal is removed from coal-bearing steam by spraying stabilized petroleum oil into the steam and directing the resultant stream at a separation surface on which a coal-oil slurry is...
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4148615 |
Prevention of scale formation in wet lime scrubbers
Proper cooling of fossil fuel power plant or smelter reverberatory furnace off gases for removal of sulfur dioxide by proper contacting of the same with lime or limestone, including the recycling...
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4119538 |
Treatment of waste liquid and apparatus therefor and a fertilizer composition obtained thereby
A process for treating a waste liquid which is obtained from a fermentation process, e.g., an alcohol fermentation, and contains organic and inorganic substances which are useful as fertilizer, is...
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4003722 |
Process and arrangement for the removal of impurities from gases
A cleansing liquid is conveyed along a first closed circuit which includes a scrubbing device. Here, the liquid comes into contact with and scrubs an impurity-containing gas so that the impurities...
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3987148 |
Treating gas and wetted granular material in panel bed
A panel bed fitted for puffback cleaning is arranged so that gas entry faces of the granular material in the panel bed can be wetted by a liquid. Efficiency of treatment of a gas for removal of...
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3984217 |
Wet gas cleaning system
A wet gas cleaning system and process for removing particulates from a dirty process air stream including means for introducing the dirty process gas into a drying chamber and simultaneously...
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3935098 |
Adsorbent process for heavy metals
An adsorbent process for heavy metals or heavy metallic compounds, which comprises utilizing a resin prepared by a reaction between aldehydes, dithiocarbamate compounds and aromatic compounds...
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3914378 |
Process for wet scrubbing of sulfur dioxide from flue gas
A process for removing sulfur dioxide from flue gas by a wet scrubbing system having a demister unit and wherein addition of a specified amount of magnesium ion to the lime scrubbing slurry is...
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3879180 |
Method for treating a gas current which is obtained by coal gasification
A method of treating a gas current which is obtained from coal by gasification comprises compressing the gas in several stages and prior to the entrance into a subsequent stage, cooling and...
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3795486 |
WET SCRUBBER
A wet scrubber for absorbing oxides of sulphur from contaminated gas comprises an upright housing having an inlet for contaminated gas adjacent at the lower end and an outlet for clean gas adjacent...
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3785119 |
METHOD AND APPARATUS FOR REMOVING PARTICULATES AND OXIDES OF SULPHUR FROM GAS
The method of removing dry particulates and oxides of sulphur from gas comprises passing said gas through a dry treatment stage for separating dry particulates therefrom, passing a portion of said...
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3674890 |
QUENCHING PROCESS FOR PYROLYTICALLY CRACKED HYDROCARBONS
Improved quenching of pyrolytically cracked gas is effected by separating the hydrocarbon-water emulsion produced in a quenching zone having a plurality of stages and then transferring the emulsion...
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3531265 |
SYNTHESIS GAS PURIFICATION
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3396514 |
Gas cleaning system
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3340680 |
Air purification process
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3199265 |
Method of purifying aldehydes and the apparatus therefor
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3073092 |
Cooling of vapour-phase oxidation products
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3063216 |
Method and apparatus for forming and utilizing a filter medium
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2823766 |
Gas removal with a carbon-water slurry
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2810455 |
Method of dehydrating gases
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3793389 |
Title is not available
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3824163 |
Title is not available
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3687613 |
Title is not available
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