|
Match
|
Document |
Document Title |
|
|
7507287 |
Activated carbon as mercury release control agent in gypsum calcination
A method for providing effective mercury release control during gypsum calcination is disclosed. The method comprises providing a reactor and gypsum containing mercury; providing a mercury sorbent,...
|
|
|
7504080 |
Process for the removal of heavy metals from gases, and compositions therefor and therewith
A composition containing vanadium, and an amorphous carbon selected from the group consisting of an activated carbon, an activated charcoal, and combinations thereof, which is heated to a...
|
|
|
7504081 |
Methods and apparatus to facilitate reducing mercury emissions
A method for reducing an amount of mercury in flue gas is provided. The method includes injecting a quantity of coal having a fineness of less than 70%<200 mesh and greater than or equal to...
|
|
|
7501104 |
Apparatus and method for treating discharge gas
A discharge gas treatment apparatus and method which lower treatment cost and which attain efficient removal of mercury contained in a discharge gas are provided. The discharge gas treatment...
|
|
|
7501103 |
Tropospheric volume elements enriched with vital elements and/or protective substances
Tropospheric volume elements enriched with vital elements and/or protective substances as well as procedures for their production and application. The term “vital elements” applies to all...
|
|
|
7498008 |
Process of gas treatment to remove pollutants
A process for the removal of a pollutant from a gas is provided that includes contacting a gas comprising a pollutant with a cataloreactant wherein the cataloreactant reacts with the pollutant and...
|
|
|
7494632 |
Mercury sorbent delivery system for flue gas
The invention presents a device for the removal of elemental mercury from flue gas streams utilizing a layer of activated carbon particles contained within the filter fabric of a filter bag for use...
|
|
|
7494633 |
Gas abatement
Apparatus is described for treating an effluent fluid stream from a semiconductor manufacturing process tool. The apparatus comprises a combustion chamber, means for heating the combustion chamber,...
|
|
|
7488460 |
Combined chemical agent and dynamic oxidation treatment of hazardous gas
Hazardous gas abatement apparatus combines and directly couples a chemical agent treatment tank and a dynamic oxidation chamber with a quick connect clamp. Cleaning the chamber and filter and...
|
|
|
7488461 |
Exhaust gas treatment system and exhaust gas treatment method
An exhaust gas treatment system is provided that can sufficiently remove pollutants such as SO 3 contained in combustion exhaust gas at low cost. In the exhaust gas treatment system for removing...
|
|
|
7481985 |
Method of removing impurities from a gas
The present invention provides for a method and apparatus for purifying carbon dioxide. Sulfur species are efficiently and effectively removed from the carbon dioxide by a series of steps which...
|
|
|
7479263 |
Method for scavenging mercury
Disclosed herein is a method for removing mercury from a gas stream comprising contacting the gas stream with a getter composition comprising bromine, bromochloride, sulphur bromide, sulphur...
|
|
|
7476372 |
Flue gas scrubbing process utilizing biosolids
A method for reducing acid gases in a flue gas, the method comprising reacting biosolids comprising a scrubbing agent with a flue gas comprising an acid gas, thereby reducing the amount of acid gas...
|
|
|
7473303 |
System and method for improved mercury control
A combustion system having improved mercury collection. The system includes a combustion chamber for burning a fuel containing mercury, whereby burning produces a flue gas stream containing mercury...
|
|
|
7470393 |
Methods of producing cermet materials and methods of utilizing same
Methods of fabricating cermet materials and methods of utilizing the same such as in filtering particulate and gaseous pollutants from internal combustion engines having intermetallic and ceramic...
|
|
|
7468170 |
Nitrogenous sorbent for coal combustion
Sorbent compositions for coal contain nitrogenous components that reduce the level of mercury and/or sulfur emitted into the atmosphere upon combustion. The sorbent compositions are added directly...
|
|
|
7464012 |
Simplified process simulator
Process simulators, including a novel process simulator that utilizes simplified mathematical correlations to predict the performance of equipment or subsystems in a process unit. The process...
|
|
|
7459134 |
Method of decarbonating a combustion fume with extraction of the solvent contained in the purified fume
The combustion fume flowing in through line 1 is decarbonated by contacting with a solvent in column C 2 . The solvent laden with carbon dioxide is regenerated in zone R. The purified fume...
|
|
|
7455818 |
Method for treating a flow of gas and gas treatment system
A method treats a flow gas that is guided via a catalytic adsorber module to oxidize contaminants carried in the flow gas. The method reliably purifies the flow gas using equipment that is held to...
|
|
|
7452517 |
Integrated approach to reduction of mercury emissions
Method for reducing mercury emissions from coal-fired combustion comprising staging of a combustion unit to remove mercury with fly ash from the flue gas, introducing activated carbon to remove...
|
|
|
7449424 |
Method for producing catalytically-active materials
A method for producing a catalytically-active material having at least one base component and at least one catalytically-active component in which the at least one base component is heated to a...
|
|
|
7442352 |
Flue gas purification process using a sorbent polymer composite material
Process for removing sulfur oxides, mercury vapor, and fine particulate matters from industrial flue gases that contain such pollutants. Pollutants are removed by modules, which contain microporous...
|
|
|
7442353 |
Heat recirculating cooler for fluid stream pollutant removal
A process by which heat is removed from a reactant fluid to reach the operating temperature of a known pollutant removal method and said heat is recirculated to raise the temperature of the product...
|
|
|
7438875 |
Method for reducing odor using metal-modified silica particles
A method for reducing odor is provided. In one embodiment, the method comprises modifying the surface of silica particles with a transition metal so that the silica particles are bonded to the...
|
|
|
7438876 |
Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury
A selective catalytic reduction apparatus has at least first and last catalyst layers in series for reducing nitrogen oxides in a flue gas, at least one interstage heat exchanger located after the...
|
|
|
7435400 |
Optimizing post-combustion nitrogen oxide and sulfur dioxide reductions and improving combustion efficiency in coal fired boilers
A method for increasing the nitrogen oxide emissions by either removing or modifying fuel rich nitrogen oxide (NO x ) reduction processes thereby improving combustion efficiencies especially with...
|
|
|
7435286 |
Sorbents for the oxidation and removal of mercury
A promoted activated carbon sorbent is described that is highly effective for the removal of mercury from flue gas streams. The sorbent comprises a new modified carbon form containing reactive...
|
|
|
7431904 |
Catalyst support material, catalysts prepared therefrom and process for the treatment of a flue gas
The present invention relates to a catalyst support material and catalysts made therefrom having improved resistance towards erosion. The catalyst support contains at least 20% by weight of TiO 2 ...
|
|
|
7429365 |
Method and system for removing mercury from combustion gas
A method for continuously removing mercury from a supply of combustion gas is provided. The method includes introducing SO 3 into the supply of combustion gas to oxidize at least a portion of...
|
|
|
7419643 |
Methods and apparatus for recovering gypsum and magnesium hydroxide products
The present invention provides methods and apparatus for treating flue gas containing sulfur dioxide using a scrubber, and more particularly relates to recovering gypsum and magnesium hydroxide...
|
|
|
7413719 |
Composition and method for oxidizing mercury in combustion processes
The invention can be summarized as follows. There is provided a method for oxidizing elemental mercury in a combustion process comprising, adding a composition comprising an aluminum silicate to a...
|
|
|
7407602 |
Air pollution control
In a method of controlling air pollution, a combustion gas is passed through a slurry of an alkaline-earth metal sulfide and a redox buffer (e.g., a phosphate), preferably in combination with an...
|
|
|
7404938 |
Emission control system
Methods and apparatus utilizing hydrogen peroxide are useful to reduce NOx, SOx and mercury (or other heavy metal) emissions from combustion flue gas streams. Continuous concentration of hydrogen...
|
|
|
7404940 |
Method for flue-gas reduction of pollutants in combustion processes
Systems and methods for reduction of pollutants in combustion processes using combined rotating opposed fired air (ROFA) and fuel injection sorbents (FSI) for increased chemical reactivity.
|
|
|
7404939 |
Mercury removal sorbent
A sorbent composition comprising a vanadium compound and a TiO 2 support material is disclosed. Methods of making and using the composition to remove heavy metals or heavy metal containing...
|
|
|
7399455 |
Exhaust filter system for non-road engine
An exhaust filter system, adapted for removing substances entrained in an exhaust gas from a nonroad engine, includes a casing having a filter cavity for communicating with an exhaust outlet of the...
|
|
|
7399457 |
Process for the removal of heavy metals from gases, and compositions therefor and therewith
A composition containing silica and vanadium, wherein at least a portion of the vanadium is present as a distorted octahedral and in a phase selected from the group consisting of amorphous,...
|
|
|
7395823 |
Method and apparatus for local fluorine and nitrogen trifluoride production
The present invention relates to a process for production, shipment, and treatment of a NH 4 F(HF) x feedstock for local production of fluorine and NF 3 for semiconductor chamber cleaning without...
|
|
|
7384615 |
Method oil shale pollutant sorption/NOx reburning multi-pollutant control
A method of decreasing pollutants produced in a combustion process. The method comprises combusting coal in a combustion chamber to produce at least one pollutant selected from the group consisting...
|
|
|
7384616 |
Waste gas treatment process including removal of mercury
A process for removing contaminants from a waste gas stream comprises treating the waste gas stream to remove at least one of SO 2 and NO x and to obtain a lean stream having a reduced level of...
|
|
|
7381388 |
Method for removing mercury from a gas stream using iodine-doped dilution gas
A method for removing mercury, and in particular elemental mercury, from a fluid stream by blending the fluid stream with a second stream comprising iodine. The blended stream is then passed...
|
|
|
7375054 |
Exhaust gas treatment catalyst and exhaust gas treatment method
The present invention provides an exhaust gas treatment catalyst characterized by containing a compound oxide expressed by the following general formula (1),
|
|
|
7371363 |
Methods of purifying hydrogen fluoride
Provided are methods of producing anhydrous hydrogen fluoride comprising: providing a mixture comprising hydrogen fluoride and at least one halogenated hydrocarbon; and extracting hydrogen fluoride...
|
|
|
7371357 |
Process for removal of pollutants
A process for the removal of pollutants from a combustion process and, more particularly, a process for removing pollutants such as carbon dioxide, mercury, sulphur dioxide, nitrogen compounds and...
|
|
|
7364650 |
Fischer tropsch composition and process
The present invention provides an upgraded synthetic gasoline having a true boiling point (TBP) range of between 50° C.-300° C., a sulphur content of less than 1 ppm, a nitrogen content of less...
|
|
|
7354874 |
Variable exhaust static pressure management apparatus
The present invention is directed to a semiconductor apparatus that enables in situ wet processing of semiconductor wafers, and prevents creation of a static pressure within the in situ wet...
|
|
|
7347979 |
Gas processing method and gas processing apparatus utilizing oxidation catalyst and low-temperature plasma
A method for treating a gas characterized in that a low temperature plasma is generated in the presence of a metallic oxide oxidation catalyst, and an apparatus for treating a gas characterized by...
|
|
|
7341701 |
Method, apparatus and plant for treating culinary gaseous effluents
A method and apparatus ( 22 ) for treating culinary gaseous effluents (Eg) carried in an air extraction duct of a kitchen, the apparatus includes:
a unit ( 24 ) for storing in liquid form a...
|
|
|
7332142 |
Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device
An apparatus comprises an exhaust system and an injection system. The injection system is configured to vaporize a first liquid portion of an agent into at least one bubble so as to inject a second...
|
|
|
7316732 |
Air treatment filter and related method
An activated carbon filter that treats a gas stream having a varying relative humidity, the gas stream contaminated with at least one of formaldehyde, an acid gas and an alkaline gas. The filter...
|