Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7311887 | Hybrid wet and dry electrostatic precipitator ammonia scrubber A process reduces SOx emissions in a flue gas stream by adding a wet collector plate section to an existing electrostatic precipitator (ESP) or by converting the last field of an existing ESP to wet operation. To achieve the conversion, the last field or ... | 12/25/2007 |
| 7261874 | Gas phase electrolyzer process for producing hydrogen The invention provides a method for a sulfur based hydrogen production cycle wherein the sulfur products are maintained in a gaseous state throughout the cycle. The cycle includes a decomposition of a gaseous phase sulfur trioxide to sulfur dioxide and water in a de... | 08/28/2007 |
| 7078000 | Apparatus and method for mat protection of non-thermal plasma reactor A non-thermal plasma reactor is provided. The non-thermal plasma reactor includes a plasma-generating substrate, a housing and a mat. The plasma-generating substrate has one or more flow paths for an exhaust gas. The housing has an inlet and an outlet. The mat retai... | 07/18/2006 |
| 7048899 | Removing NOx, SO, and Hg from a gas stream using limestone regeneration A process and apparatus for removing SO2, NO, and NO2 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to NO2, scrubbing the SO2, NO, and NO2 with an ammonia, ammonium h... | 05/23/2006 |
| 6998027 | Highly efficient compact capacitance coupled plasma reactor/generator and method A compact capacitively coupled electrode structure for use in a gas plasma reactor/generator is disclosed. The electrode structure comprises a parallel plate type anode and cathode spaced to define a gas flow path or volume therebetween. A plurality of electrically ... | 02/14/2006 |
| 6994830 | Reactor for plasma treatment of gases In a non-thermal plasma reactor (300), at least a component of the active material (320) is selected or modified to provide the capability to adsorb or trap a predetermined chemical species in the gas flow thereby to increase the effective residence ti... | 02/07/2006 |
| 6852200 | Non-thermal plasma reactor gas treatment system A gas treatment system and method for using the same is disclosed. The gas treatment system, comprises: a non-thermal plasma reactor; and a catalyst composition disposed within said non-thermal plasma reactor, said catalyst composition comprising a MZr4(P... | 02/08/2005 |
| 6787002 | Compact plasma reactor A device for purifying an exhaust gas contains at least one first and one second component with a respective shell and core through which the exhaust flows, as well as with two front faces each. At least one of the front faces of the first component and at least one... | 09/07/2004 |
| 6649132 | Process for the removal of impurities from gas streams The present invention relates to a process for removing nitrogen oxides, sulfur dioxides and mercury from gas streams such as furnace or utility boiler flue gas streams, particularly those derived from coal-fired utility boilers. A stream containing relat... | 11/18/2003 |
| 6524538 | Method and apparatus for plasma treatment of gas A method and an apparatus for plasma treatment of gas, particularly for transformation, passivation and stabilization of polluting and toxic admixtures is disclosed. A flowing gas (1) to be treated is passed through a hollow cathode (2) provided with a co... | 02/25/2003 |
| 6156162 | Power supply for dielectric barrier discharge plasma A method of driving the electrodes of a dielectric barrier discharge device. The driving signal is a pulsed signal where the pulses have alternating polarities. In one embodiment, the pulse signal includes groups of opposite polarity pulses where a second... | 12/05/2000 |
| 6132692 | Barrier discharge conversion of SO2 and NOx to acids A process for reducing particulate, Hg, NOx, and SO2 emissions from the combustion of fossil fuel while providing the capability of producing an end product that is commercially useful comprising the steps of oxidizing Hg, NOx and SO2 | 10/17/2000 |
| 6117403 | Barrier discharge conversion of Hg, SO2 and NOx A process and apparatus for reducing particulate, nitrogen oxides ("NOx"), sulfur dioxide ("SO2 "), and mercury ("Hg") emissions from the combustion exhaust of fossil fuel fired plants while producing an end product that is commercially useful,... | 09/12/2000 |
| 6007681 | Apparatus and method for treating exhaust gas and pulse generator used therefor An apparatus and method for treating exhaust gases. In this apparatus, a plurality of stages of reactor chambers (R1, R2, . . . . and Rn) are connected in series in the direction of an exhaust gas flow. Further, high-volta... | 12/28/1999 |
| 5871703 | Barrier discharge conversion of SO2 and NOx to acids A process and apparatus for reducing particulate, nitrogen oxides ("NOx"), sulfur dioxide ("SO2 "), and mercury ("Hg") emissions from the combustion exhaust of fossil fuel fired plants while producing an end product that is commercially useful,... | 02/16/1999 |
| 5824277 | Plasma oxidation of an exhaust gas stream from chlorinating titanium-containing material A process is disclosed for treating an exhaust gas stream containing COS and CO arising from chlorinating titanium-containing material with a cold plasma wherein oxygen is present and selectively oxidizing COS.... | 10/20/1998 |
| 5753087 | Multi-electrode corona discharge pollutant destruction apparatus and method A corona discharge pollutant destruction reactor employs two or more electrodes to enhance the effective corona discharge treatment volume by distributing a varying electric field pattern over the reactor's interior chamber. Appropriate delay circuitry al... | 05/19/1998 |
| 5695619 | Gaseous pollutant destruction method using self-resonant corona discharge A pollutant destruction system connects a capacitive corona discharge chamber in a self-resonant circuit with an inductive element. Intermittent energizing signals are furnished from a power supply to induce corona discharges within the chamber, with the ... | 12/09/1997 |
| 5523518 | Recycling of waste sulfuric acid Sulfuric acid used in the process of fabricating semiconductor devices, etc., can be recycled to reduce the amount of sulfuric acid to be discarded. A sulfuric acid effluent is fed to an anode chamber of a sulfuric acid-concentrating electrolyzer partitio... | 06/04/1996 |
| 5110405 | Method of manufacturing single-crystal diamond particles A method of manufacturing single-crystal diamond particles, according to the present invention, comprises the steps of introducing a reaction gas containing at least one organic compound into a reaction vessel having an anode and a cathode, producing a pl... | 05/05/1992 |
| 4883570 | Apparatus and method for enhanced chemical processing in high pressure and atmospheric plasmas produced by high frequency electromagnetic waves An apparatus and method for creating high temperature plasmas for enhanced chemical processing of gaseous fluids, toxic chemicals, and the like, at a wide range of pressures, especially at atmospheric and high pressures includes an electro-magnetic resona... | 11/28/1989 |
| 4839147 | Method of purifying combustion product gases contaminated with dust and noxious gases In order to achieve the removal of SO2 and NOx together with the entrained dust from the combustion product gases discharged from the combustion chamber of a steam generator in which sulfur-containing fuel, such as for instance ligni... | 06/13/1989 |
| 4695358 | Method of removing SO2, NOX and particles from gas mixtures using streamer corona A method for converting sulfur dioxide and/or nitrogen oxide gases to acid mist and or particle aerosols is disclosed in which the gases are passed through a streamer corona discharge zone having electrodes of a wire-cylinder or wire-plate geometry.... | 09/22/1987 |
| 4657738 | Stack gas emissions control system A system is described for use in the stack or flue ducts of a fossil fueled combustion system to eliminate or substantially reduce SOx and NOx emissions. The system includes an electrically operated stable glow discharge maintained b... | 04/14/1987 |
| 4650555 | Method for corona discharge enhanced flue gas clean-up A process for removing pollutants including sulfur dioxide and/or nitrogen oxides from effluent gas which relies on the use of corona discharge to enhance the efficiency of the process. In one embodiment, corona discharge is utilized in a conventional spr... | 03/17/1987 |
| 4367211 | Plasma arc process for the reduction of sulfur dioxide to sulfur A continuous process for the reduction of sulfur dioxide to sulfur in which a gas stream containing sulfur dioxide is contacted with a carbon source in the form of particulate coal at a temperature of at least 600° C. in a plasma arc reaction zone genera... | 01/04/1983 |
| 4337279 | Method for increasing the peel strength of metal-clad polymers The peel strength of metal-clad polymers may be increased by treating a polymer such as polysulfone with a gas plasma prior to the deposition of the metal thereon. The gas plasma is provided for by the introduction of a gas such as helium, argon, etc. ove... | 06/29/1982 |
| 4139596 | Producing sulphuric acid This invention is based on the factors that both oxygen gas and oxides of sulphur as well as hydrogen sulphide are highly soluble in saturated, halogenated hydrocarbon liquids which are also dielectric liquids. The absorber liquid, saturated with dissolve... | 02/13/1979 |
| 3960687 | Electrostatically enhanced removal of sulfur dioxide from gaseous carriers Closed circuit process for effecting the selective removal of sulfur dioxide values from industrial waste gases or the like wherein a particularly constituted confined solution of mixed ammonium phosphates is exposed to absorbent contact with a sulfur dio... | 06/01/1976 |
| 3960682 | Method of processing waste gases containing sulphurous-acid anhydride A method of processing waste gases containing sulphurous-acid anhydride comprises contacting said waste gases with an aqueous solution of sulphuric acid in the presence of oxygen or air and a catalyst comprising an inorganic manganese salt, such as mangan... | 06/01/1976 |
