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7611684 |
Effluent gas scrubber and method of scrubbing effluent gasses
An effluent gas scrubber and a method of scrubbing effluent gases are provided. An inlet port receives an effluent gas. The gas passes through successive chambers in which it is sprayed with a...
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7608231 |
Process for the continuous removal of hydrogen sulfide from gaseous streams
Process for the removal in continuous of hydrogen sulfide from gaseous streams containing it, comprising: a) putting a gas containing H 2 S in contact with an oxidizing acid aqueous solution of...
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7608230 |
Sample conditioning system for removing selenium from a gas stream
A sample conditioning system removes selenium from a flue gas sample to provide more accurate measure of mercury in the gas stream. Ammonia or another basic reagent is added to the sampled gas...
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7597864 |
Control of mercury and other elemental metal emissions using reaction stabilization device
Ammonia and optionally carbon monoxide are injected into the flue gas containing metals such as mercury in a manner so that there are sufficient amounts of these materials in the flue gas when the...
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7597743 |
Configuration and process for carbonyl removal
A plant includes an adsorber in which a metal is plated onto a non-metallic sacrificial materials from a metal carbonyl at a predetermined temperature. Particularly preferred adsorbers include two...
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7595033 |
Regeneration of nt-scr catalysts
A process and device for purifying flue gases in refuse incineration plants during regeneration of a catalyst which serves for reducing nitrogen oxides, by, in a first step, removing acidic...
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7591985 |
Method for purifying germanium hydrides
In one aspect, the crude gas is contacted with a cold caustic solution to reduce levels of carbon dioxide and water. The partially purified gas is chilled in direct-contact with a hydrogen...
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7588746 |
Process and apparatus for hydrogen and carbon production via carbon aerosol-catalyzed dissociation of hydrocarbons
The present invention relates to a novel process for sustainable, continuous production of hydrogen and carbon by catalytic dissociation or decomposition of hydrocarbons at elevated temperatures...
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7585476 |
Process for controlling the moisture concentration of a combustion flue gas
The present invention is related to a system for removal of moisture and contaminants from recirculated flue gas. The system includes a spray tower for spraying the flue gas with a liquid reagent...
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7582270 |
Multi-functional substantially fibrous mullite filtration substrates and devices
A diesel particulate filter assembly, and methods for use of such filter assembly, including a housing having an inlet end and an outlet end, a particulate filter portion consisting essentially of...
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7578985 |
Method for direct oxidation of hydrogen sulfide to elemental sulfur at low temperatures
A method for removal of hydrogen sulfide and mercury from a gaseous stream containing hydrogen sulfide and mercury in which a hydrogen sulfide conversion catalyst is contacted with the gaseous...
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7575629 |
Pollutant emission control sorbents and methods of manufacture
Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods...
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7574796 |
Nonwoven composites and related products and methods
A filtering catalytic substrate including a non-woven fibrous refractory body, a plurality of channels formed in the body, a washcoat layer at least partially coating the channels, and a catalyst...
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7572422 |
Exhaust gas purifying method for fuel cell vehicle and exhaust gas purifying system for fuel cell vehicle
An exhaust gas purifying method for a fuel cell vehicle comprises preparing an exhaust gas purifying system for the fuel cell vehicle, the exhaust gas purifying system including a methane removal...
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7572421 |
Mercury sorbents and methods of manufacture and use
Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods...
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7572420 |
Method for removing mercury in exhaust gas and system therefor
The present invention provides a method for removing mercury in exhaust gas, in which mercury in exhaust gas discharged from combustion equipment is removed, characterized by including a mercury...
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7572419 |
Apparatus and methods for removing mercury from fluid streams
An apparatus and method for removing mercury, and in particular elemental mercury, from a fluid stream by exposing the fluid stream to a polyethersulfone or filter-coated with anion exchange resin,...
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7569194 |
Waste heat energy recovery method and system
The current invention provides methods and apparatus for integrating a high temperature waste heat recovery system with a chemical or refining process which requires heat energy at a temperature...
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7569096 |
Configuration and process for carbonyl removal
A plant ( 100 ) includes a gas turbine ( 110 ) that receives a feed gas ( 130 ), wherein a metal plates from a metal carbonyl contained in the feed gas onto a sacrificial metal ( 152 A) in an...
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7563424 |
Method for removing sulfur compounds from fluids using compressed metal oxide composition particles
The present invention relates to a compressed metal oxide composition particle comprised of metal oxide and an organic binder, with the binder preferably being a water insoluble cellulose...
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7560083 |
Method for removing water molecules from vacuum chamber, program for executing the method, and storage medium storing the program
A method for removing water molecules from a vacuum chamber for carrying out a process on a target object in vacuum includes the steps of introducing into the vacuum chamber a water molecule...
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7556786 |
Method of processing alkali-activation exhaust gas
Disclosed is a method for processing an exhaust gas containing an alkaline substance, the exhaust gas being emitted when activating a carbon material with an alkaline substance. The method includes...
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7553463 |
Technical and economic optimization of combustion, nitrogen oxides, sulfur dioxide, mercury, carbon dioxide, coal ash and slag and coal slurry use in coal fired furnaces/boilers
Methods by which new or used boilers or furnaces ranging from small industrial to the largest utility units that are designed for coal or oil or natural gas or shredded waste or shredded biomass...
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7550123 |
Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters
Methods and apparatuses are described for contacting an oxidizing solution such as an aqueous hydrogen peroxide composition of hydrogen peroxide and at least one additive that catalyzes the...
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7544339 |
Method and apparatus for removing mercury from combustion exhaust gas
A method for reducing mercury emissions in combustion flue gas is provided. The method includes combusting coal such that a flue gas flow is created. The flue gas flow includes at least mercury and...
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7544338 |
Mercury removal system and mercury removal process
Provided is a system for removing mercury from a mercury-containing exhaust gas, which contains a mercury chlorinating agent feed unit for feeding a mercury chlorinating agent to an flue exhaust...
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7544337 |
Impurity disposal system and method
An impurity removing unit removes an impurity gas from a target gas while the target gas is in a gaseous state. A compressing unit compresses the impurity gas to produce compressed impurity gas. A...
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7531153 |
Methods and apparatus for removing mercury from combustion flue gas
A method for reducing an amount of mercury in flue gases generated by the combustion of coal is provided. The method includes combusting a quantity of coal and a quantity of air within a primary...
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7524473 |
Method of mercury removal in a wet flue gas desulfurization system
Controlling the reductive capacity of an aqueous alkaline slurry ( 23 ) in a wet scrubber makes it possible to accurately control the mercury emission from the scrubber to a desired value. One...
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7524472 |
Mercury removal from coal emissions using montmorillonite clay
Disclosed herein are methods, apparatus, and compositions for removing mercury gas from coal combustion emissions and the like. Disclosed herein is a gettering composition comprising an activated...
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7524471 |
Mercury emission control for coal-fired boilers
One embodiment of the present invention relates to a process for treating a flue gas stream ( 22 ) from a coal-fired boiler to reduce the amount of mercury contained therein. The process includes...
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7524470 |
Reduced liquid discharge in wet flue gas desulfurization
One aspect of the invention relates to a method for removing contaminants from a flue gas stream ( 22 ). The method includes: removing fly ash from a flue gas stream ( 22 ) utilizing a particle...
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7522974 |
Interface for operating and monitoring abatement systems
Method and systems are provided for monitoring and controlling one or more abatement systems. One or more abatement systems may be represented on a display alone with one or more effluent flows...
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7521033 |
Exhaust inlet metallic foam trap coupled to a downstream monolithic precious metal catalyst
The present invention is directed to an improved apparatus and method of minimizing catalyst poisoning from exhaust gas streams containing inorganic deposits and particulate matter. More...
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7521031 |
Method and apparatus for treating exhaust gas
A method for treating exhaust gas includes: adsorbing target components in the exhaust gas with an adsorbent ( 5 ); introducing a nitrogen gas with an oxygen concentration of 10 vol % or less and a...
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7517511 |
Method and apparatus for mitigating mercury emissions in exhaust gases
Mercury emissions in an exhaust gas are mitigated. Mercury dichloride is formed upon a surface from a substantial portion of the mercury in the exhaust gas. The mercury dichloride sublimes from the...
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7514054 |
Flue gas purification device having an essentially horizontal through flow
A flue gas purification device includes a receptacle, which has an absorption zone, through which the supplied glue gas can flow in an essentially horizontal direction.
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7514053 |
Method for removing sulfur dioxide, mercury, and nitrogen oxides from a gas stream
Methods for scrubbing gas streams to remove acid gases including sulfur dioxide, mercury-containing substances, and/or nitrogen oxides from the gas stream. The gas stream is contacted with a...
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7514052 |
Method for removal of mercury emissions from coal combustion
A method to reduce emissions in flue gas due to combustion of coal in a combustion unit including the steps of: combusting coal in a primary combustion zone of the combustion unit; releasing...
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7510996 |
Hydrogen storage material
A hydrogen storage material is expressed by a composition formula, (Ca 1-x A x ) 1-z (Si 1-y B y ) z , wherein “A” is at least one member selected from the group consisting of alkali metal...
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7510692 |
Hydride gas purification for the semiconductor industry
A method for hydride gas purification uses materials having at least one lanthanide metal or lanthanide metal oxide. The method reduces contaminants to less than 100 parts per billion (ppb),...
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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,...
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7507083 |
Reducing mercury emissions from the burning of coal
Processes and compositions are provided for decreasing emissions of mercury upon combustion of fuels such as coal. Various sorbent compositions are provided that contain components that reduce the...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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