Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7842126 | COseparation from low-temperature flue gases Two methods are provide for the separation of carbon dioxide from the flue gases. The first method utilizes a phase-separating moiety dissolved in an aqueous solution of a basic moiety to capture carbon dioxide. The second method utilizes a phase-separating moiety a... | 11/30/2010 |
| 7374604 | System and method for flue gas treatment The present invention discloses a system for flue gas treatment, wherein the provided system comprises a quench module, a first control module, a filter collecting module, a wet scribing module and a regeneration module. In this system, parts of the particles contai... | 05/20/2008 |
| 7361282 | Separator of floating components A buoyant component separator is disclosed for removing at least some floating contaminants from fluids. The component separator may be used with a marine engine exhaust system to reduce particulate matter and unburned fuel contained in liquid coolant before it is j... | 04/22/2008 |
| 7351392 | Process for the high recovery efficiency of sulfur from an acid gas stream A combined process for the recovery of sulfur from an acid gas stream. The combined process includes both a Claus unit and a unit for treating the Claus tail gas with caustic to remove hydrogen sulfide therefrom and to biologically oxidize the hydrogen sulfide using... | 04/01/2008 |
| 7128777 | Methods and systems for selectively separating COfrom a multicomponent gaseous stream to produce a high pressure COproduct Methods are provided for the selective removal of CO2 from a multicomponent gaseous stream to provide a CO2 depleted gaseous stream. In practicing the subject methods, an initial multicomponent gaseous stream is contacted with an aqueous fluid ... | 10/31/2006 |
| 7029589 | Universal method and apparatus for conversion of volatile compounds A method or process of treating a contaminated fluid (10) having at least one contaminant having a property selected from the group consisting of being volatile, hazardous, tacky and a combination thereof is provided. The method comprises contacting the conta... | 04/18/2006 |
| 6964696 | Method and apparatus for treating synthesis gas and recovering a clean liquid condensate An apparatus and method for recovering a clean liquid condensate from a synthesis gas at elevated temperatures and pressures. The apparatus includes at least one heat exchanger for reducing the temperature of the synthesis gas down to below 200° F. (93° C.) so as ... | 11/15/2005 |
| 6942840 | Method for removal and stabilization of mercury in mercury-containing gas streams The present invention is directed to a process and apparatus for removing and stabilizing mercury from mercury-containing gas streams. A gas stream containing vapor phase elemental and/or speciated mercury is contacted with reagent, such as an oxygen-containing oxid... | 09/13/2005 |
| 6926870 | Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation A scoop is used to collect a liquid slurry upstream of an internal collection tank. The scoop is in fluid communication with a downcomer, which receives at least part of the collected slurry, thereby maintaining a continuous flow of liquid slurry through the scoop t... | 08/09/2005 |
| 6656249 | Method for desulphurization of gases A method of removing hydrogen sulphide from a gas stream wherein the hydrogen sulphide is scrubbed from the gas phase by an aqueous solution, the hydrogen sulphide in the aqueous solution is biologically oxidized in a bioreactor to produce elemental sulph... | 12/02/2003 |
| 6638342 | Process and facility for removing metal contaminants from fertilizer streams A process and system for producing fertilizers with reduced levels of contaminants, and particularly a flue gas scrubbing process and facility that produce a fertilizer byproduct which is treated to remove heavy metals originally present in the scrubbed f... | 10/28/2003 |
| 6638432 | Method of treating waste liquid Disclosed is a method of removing heavy metals contained in exhaust gas which has been generated by burning a waste liquid containing the heavy metals discharged in a process of producing organic compounds. The method includes the steps in the order of: (... | 10/28/2003 |
| 6506348 | Heavy oil fired boiler exhaust gas treatment apparatus There is provided a heavy oil fired boiler exhaust gas treatment apparatus which removes soot and dust and SO3 in the heavy oil fired boiler exhaust gas efficiently at a low cost without using an excessively large apparatus. The treatment appar... | 01/14/2003 |
| 6451092 | System and process for agglomeration and processing of carbonaceous fines and dust A system and process for agglomerating and processing carbonaceous fines is provided. The process includes powdering the carbonaceous fines, mixing the powdered carbonaceous fines with an organic liquid creating a slurry, adding a predetermined amount of ... | 09/17/2002 |
| 6238462 | Methods for the separation of compounds from acidic aqueous solutions A method is disclosed for recovering germanium from a gaseous mixture which includes a germanium-containing compound in vapor or particulate form, acid in vapor form, and water vapor. The gaseous mixture is contacted with a liquid containing water under c... | 05/29/2001 |
| 6149713 | Flue gas treating process The dust concentration of the flue gas leaving an electrostatic precipitator and introduced into an absorption tower of a desulfurizer is adjusted to a level of 100 to 500 mg/Nm3. At the same time, a dust slurry having a higher dust concentrati... | 11/21/2000 |
| 6120582 | Process for treating the scrubbing water from the gas scrubbing process in an iron ore reduction plant A process is disclosed for treating the scrubbing water from the gas scrubbing process in an iron ore reduction plant. The scrubbing water is brought into direct contact with the gas in two gas scrubbers arranged in two successive scrubbing stages at the ... | 09/19/2000 |
| 6102377 | Wet scrubbing spray apparatus for removing sulfur oxides from combustion effluents Sulfur oxides (SOx) are scrubbed from combustion effluents with economies in capital and operating costs by virtue of an arrangement of spray header piping and nozzles which permits ease of access for service with reduced spacing (e.g., 0.5 to ... | 08/15/2000 |
| 6077332 | Magnetic trap for removal of iron from amines A process for reducing iron containing contaminants from a process stream of amine used for acid gas stripping by passing the process stream of amine adjacent a magnet sufficient to extract at least a portion of the iron containing contaminants from the p... | 06/20/2000 |
| 5582634 | Method and apparatus for cleaning a gas A method and an apparatus for cleaning a gas containing pollutants, such as hydrogen chloride and heavy metals, are described. The polluted gas (2) is contacted with an aqueous washing liquid (3) in a scrubber (1), whereupon part of the washing liquid is ... | 12/10/1996 |
| 5562833 | Dual feed paint detackification program In a paint spray booth wherein water is used to collect oversprayed paint, a process is disclosed for detackifying and coagulating oversprayed paint by the independent and concurrent addition of specific amounts of specific anions and cationic polymers to... | 10/08/1996 |
| 5560860 | Water-based paint spray booth flood sheets and methods of reclaiming paint using the same A composition for reclaiming paint and volatile organic paint carrier from industrial paint spray booths without increasing VOCs has been developed. The improvement over the existing booths recirculating hydrophilic based fluids, is the inclusion of a wat... | 10/01/1996 |
| 5540760 | Scrubber and process for flue-gas desulfurizing A scrubbing tower and process for flue-gas desulfurization uses a device for introducing additives like lime and limestone to the reaction zone of the scrubber by feeding those additives to a recirculating system recirculating the liquid through the sump.... | 07/30/1996 |
| 5451250 | Method of convert a double-loop flue gas desulfurization system to a single-loop system A method for converting a double-loop flue gas desulfurization system to a single-loop desulfurization system includes removing the deep packing from the scrubber housing and replacing the packing with a thin tray having a plurality of perforations. The r... | 09/19/1995 |
| 5405433 | Direct centrate/filtrate return A method and apparatus for recycling the bottoms product from an absorber tower back to the absorber tower. However, before the bottoms product is returned to the tower, the solid particles entrained therein are removed via one or more centrifuges closely... | 04/11/1995 |
| 5308509 | FGD performance enhancement by hydroclone and recycling steps A flue gas desulfurization process wherein the liquid bottoms product from the scrubber tower is subject to forced oxidation in a reaction/oxidation tank. Afterwards, this oxidized bottoms product is delivered to hydroclone means for separation into an ov... | 05/03/1994 |
| 5308385 | Pollution abatement apparatus and method An apparatus and method for removing pollutants from a gas stream wherein a spray of steam is directed against a primary deflector plate to disperse a portion of the spray and repel the spray off of the primary deflector plate against a secondary deflecto... | 05/03/1994 |
| 5248440 | Paint spray booth treatment of waterborne coatings The present invention relates to a novel method for coagulating waterborne paints in paint spray booth recirculating water. The coagulant aid comprises a polynucleate hydroxy silicate-sulphate compound (hereinafter PASS) having the following average compo... | 09/28/1993 |
| 5006261 | Paint detackification using water-dispersible polymeric latexes Water-dispersible polymeric latexes are excellent paint detackifying agents for treating the circulating water in paint spray booths when latexes have an average particle size less than 10 microns.... | 04/09/1991 |
| 4898720 | Method for gascleaning and a device for the accomplishment of the method This invention relates to a method and a device for gascleaning. The method is characterized in that materials are recirculated between a scrubber loop (4,5,6,7,8)and a loop (4,11,9,2,3,10), said material being separated after a certain recirculation via ... | 02/06/1990 |
| 4853132 | Paint spray booth treatment This invention relates to an improved method for treating paint wastes and paint oversprays encountered in wet paint spray booths or any areas where these wastes and oversprays exist.... | 08/01/1989 |
| 4830761 | Cooling tower cleaning system A portable, manned method and apparatus for cleaning cooling towers having a water collection basin at the base while permitting the tower to continue in operation comprises removing water and particulate contaminants from the bottom of the tower basin by... | 05/16/1989 |
| 4781732 | Method for cleaning crude gas and apparatus therefore A method of and an apparatus for cleaning crude gas, particularly waste gas from a mineral fibre production plant and contaminated with phenol and/or formaldehyde and/or the products of condensation thereof, wherein the crude gas is sprayed with a circula... | 11/01/1988 |
| 4759777 | Decontamination of wood chip dryer gas A method is provided for the decontamination of wood chip dryer flue gas containing wood particles and hydrocarbons which comprises contacting hot flue gas with an aqueous quench liquid to produce a wood particle-containing liquid and a hydrocarbon-contai... | 07/26/1988 |
| 4752308 | Process for the reconditioning of quench water Referring to a process for the reconditioning of quench water or scrubbing water obtained as effluent from plants for the pressure gasification of solid or liquid fuels it is intended to provide for a method which eliminates the need of cooling and expand... | 06/21/1988 |
| 4750919 | Paint removal using oil-in-water emulsions A method for the removal of over-sprayed paint solids which comprises contacting the over-sprayed paint solids with an oil-in-water emulsion until the emulsion is loaded with at least 5 parts by weight of paint solids per 100 parts by weight of the hydroc... | 06/14/1988 |
| 4708722 | Air washer and heat exchanger This invention relates to a method and apparatus for the extraction of pollutant materials from the exhaust gases of a flue, chimney or smokestack and for the extraction and collection of any heat from such exhaust. The apparatus can be adjusted verticall... | 11/24/1987 |
| 4693731 | Removal of mercury from gases Mercury is removed from natural gas by contacting the gas with a relatively mercury-free liquid state hydrocarbon and recovering a mercury-lean methane-rich gas and a mercury-enriched hydrocarbon liquid. The mercury-free hydrocarbon liquid may be obtained... | 09/15/1987 |
| 4663134 | Method and device for fine desulfurization of coke oven gas A method and apparatus for removing hydrogen sulfide from crude coke oven gas comprises initially scrubbing the crude coke oven gas in a low pressure scrubber using an aqueous regeneratable liquor. The gas is subsequently scrubbed in a high pressure scrub... | 05/05/1987 |
| 4662929 | Method for recovering nutrients from the flue gases of a fertilizer plant The invention relates to a method of recovering nutrients from the flue gases of a fertilizer plant by exposing hot, almost water-saturated reaction gases (4) obtained from the fertilizer production process to a countercurrent scrubbing (5, 6) and by scru... | 05/05/1987 |
