Matches 1 - 50 out of 80 1 2 >


Match Document Document Title
US20110219951 Method and mitigating mercury vapor emissions during storing, staging, handling and transportation of mercury containing universal waste  
A method for mitigating mercury vapor emissions during storing, staging, handling and transportation of an unbroken mercury containing universal waste lamp. The method includes the step of:...
US20130220120 Reduction of Mercury Emissions From Cement Plants  
This invention provides methods for reducing emissions of mercury from a cement plant comprising at least a kiln (6), a particulate collection device (10), collected particulates, an exhaust gas...
US20130053234 SORBENT  
A method for preparing a sorbent composition includes the steps of: (i) applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and(ii) drying the...
US20110072966 FIRE BRICK MERCURY REMOVAL PROCESS FROM FLUE GAS  
A method and system for removal of in most instances 70% of mercury contamination from flue gas and in many instances 90-95%. It involves passing hot flue gas through a honeycomb filter brick...
US20150135953 PARTICULATE MATTER AND METHODS OF OBTAINING SAME FROM A KRAFT WASTE RECLAMATION  
The present invention relates in general to a method of producing activated carbon. Dregs are removed from a pulp mill green liquor clarifier and washed with an acid to produce an activated...
US20110053100 Composition and Method for Reducing Mercury Emitted into the Atmosphere  
The present invention relates to sorbent compositions and methods to reduce the amount of mercury emitted into the atmosphere as a result of processing a mercury-containing material. The sorbent...
US20110076210 SORBENT FORMULATION FOR REMOVAL OF MERCURY FROM FLUE GAS  
Methods and systems for reducing mercury emissions from fluid streams having a high concentration of sulfur oxide species are provided herein.
US20100320153 ABSORBENTS  
An absorbent composition suitable for removing mercury, arsenic or antimony from fluid streams includes 5-50% by weight of a particulate sulphided copper compound, 30-90% by weight of a...
US20130157845 SORBENTS FOR REMOVING MERCURY FROM EMISSIONS PRODUCED DURING FUEL COMBUSION  
Activated carbon is rendered more thermally stable by exposure to a non-halogenated additive, and optionally to a halogen and/or a halogen-containing compound. Such treated carbon is suitable for...
US20110289923 RECOVERY OF MERCURY CONTROL REAGENTS BY TRIBO-ELECTRIC SEPARATION  
A method and apparatus for recovering mercury control reagents from particulate materials is disclosed. The particulate materials include fly ash mixed with mercury control reagents collected from...
US20090249954 Method for managing the use of flow-through monolithic sorbents for the sorption of a trace contaminant from a fluid stream  
A method for managing the use of flow-through monolithic sorbents for the sorption of a trace contaminant from a fluid stream, which comprises: providing two or more flow-through monolithic...
US20110165044 BROMINE CHLORIDE COMPOSITIONS FOR REMOVING MERCURY FROM EMISSIONS PRODUCED DURING FUEL COMBUSTION  
Compositions, and processes utilizing such compositions, are provided for reducing mercury emissions during fuel combustion Such compositions comprise a sorbent, a bromine source and a chlorine...
US20080060519 SORBENTS AND SORBENT COMPOSITION FOR MERCURY REMOVAL  
A system for removing mercury from combustion gas. The system includes a combustion device, a stack, and a duct system that couples the combustion device to the stack. The system further comprises...
US20100050868 MERCURY ABSORPTION USING CHABAZITE SUPPORTED METALLIC NANODOTS  
A method of adsorbing mercury includes the use of silver nanodots formed on chabazite as a sorbent. The silver nanodots may be formed on chabazite by ion-exchange followed by activation.
US20090007785 Method for removing mercury vapor in gas  
When sulfur oxides are present in mercury vapor-containing gas, the adsorption of mercury vapor by activated carbon is inhibited. Therefore, there has been demand for development of a method for...
US20130047850 SYNTHESIS GAS PURIFICATION BY SELECTIVE COPPER ADSORBENTS  
Effective synthesis gas purification is achieved by applying copper adsorbents which are resistant to the reduction by the components of the synthesis gas H2 and CO at normal operation conditions....
US20110158872 Method and System for Adsorbing Pollutants and/or Contaminants  
The present invention relates to a method and a multi-component system for adsorbing contaminants and/or pollutants from a contaminated hot fluid by using a turbulent air stream, to adiabatically...
US20070180990 Dynamic halogenation of sorbents for the removal of mercury from flue gases  
A halogen-containing gas is injected into a flowing transport air/sorbent stream at a point close to the point where the sorbent and transport air first mix to maximize the residence time...
US20120134903 Solid Inorganic Composition, Method for Preparing Same, and Use Thereof for Reducing Dioxins and Heavy Metals in Flue Gas  
The invention relates to a solid inorganic composition for reducing dioxins and furans, as well as heavy metals, in particular mercury, present in flue gases, to a method for preparing such a...
US20110296991 HEAVY METAL REMOVAL METHODS AND SYSTEMS  
A support impregnated with selenium and capable of effectively removing a heavy metal from a process stream that is at an ambient temperature or is at an elevated temperature.
US20090229463 Apparatus and processes for production of coke and activated carbon from coal products  
Production of coke and activated carbon from coal products, including the production of low ash coal and activated carbon products from coal products, and the production of very low ash coke and...
US20090158929 Method of Reducing an Amount of Mercury in a Flue Gas  
The subject matter disclosed herein relates to a method of reducing an amount of mercury discharged to an environment in a flue gas (12) generated by combustion of a fuel source. The method...
US20080302730 SULFUR-IMPREGNATED ORGANOCLAY MERCURY AND/OR ARSENIC ION REMOVAL MEDIA  
The use of a sulfur-impregnated organoclay provides a mercury or arsenic removal media having increased reactivity, stability, and mercury removal ability. The Hg/As removal media described herein...
US20100050869 Plate System For Contaminant Removal  
Plate systems and methods of using them. The plate systems may be used, for example, for the removal of metallic or semi-metallic contaminants from a fluid stream.
US20100018395 Method for Capturing Mercury from Flue Gas  
The present invention relates to use of carbon-based sorbents such as activated carbon for controlling vapor phase mercury emissions in coal-fired power plant flue gases or waste incineration flue...
US20090294368 Method and Composition for Sorbing Toxic Substances  
Toxic substances such as heavy metals are extracted from a medium using a sorbent composition. The sorbent composition is derived by sulfidation of red mud, which contains hydrated ferric oxides...
US20120167763 METHOD FOR PURIFYING A GAS STREAM INCLUDING MERCURY  
The present invention relates to a method for purifying a gas stream including CO2, elemental mercury (Hg0) and nitrogen oxides (NOx).
US20110162524 SORBENT COMPOSITIONS AND PROCESSES FOR REDUCING MERCURY EMISSIONS FROM COMBUSTION GAS STREAMS  
Compositions, and processes utilizing such compositions, are provided for reducing mercury emissions from combustion gases. Such compositions comprise a sorbent and a brominated organic compound.
US20120006196 Capture of mercury from a gaseous mixture containing mercury  
Compositions are provided, derived from chemical treatment of carbonaceous fiber felt forms or other carbonaceous substrates, that exhibit both high efficiency and capacity for mercury capture...
US20070289447 Methods of Manufacturing Mercury Sorbents and Removing Mercury From a Gas Stream  
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...
US20120184039 METHOD AND SYSTEM FOR ANALYZING CONCENTRATIONS OF DIVERSE MERCURY SPECIES PRESENT IN A FLUID MEDIUM  
A method for facilitating removal of mercury from a primary fluid stream of interest which is contaminated with organically-bound, elemental, and ionic mercury species. The stream is analyzed to...
US20130104736 Filtration Module  
A filtration module is provided that includes a filter member and a spacing member disposed in detached, contact engagement along a length of each member, such length extending about a...
US20110319697 Sorption processes  
Toxic substances such as heavy metals are extracted from a medium using a sorbent composition. The sorbent composition is derived by sulfidation of red mud, which contains hydrated ferric oxides...
US20100095843 Air Pollution Control Filter Elements for Filtration Systems  
An improved filtration apparatus, filtering method and filtering material for capturing mercury and other pollutants in pollutant-laden fluid streams such as flue gases generated by process gas...
US20080134888 MERCURY ADSORBENTS COMPATIBLE AS CEMENT ADDITIVES  
Solid adsorbents, following their use for mercury removal from flue gas, that do not interfere with the ability of air-entraining additives (such as surfactants) to form stable bubbles when added...
US20150202591 SORBENTS  
A sorbent is described, suitable for removing heavy metals, particularly mercury, from fluid streams including 20-75% by weight of copper (expressed as copper (II) oxide) in the form of one or...
US20120167762 Solid Mineral Composition, Method for Preparing Same and Use Thereof for Reducing Heavy Metals in Flue Gas  
The invention relates to a solid mineral composition of heavy metals, in particular mercury, in flue gas, to a method for preparing such a solid mineral compound and to the use thereof for...
US20090235848 METHOD AND APPARATUS FOR REMOVING MERCURY AND PARTICULATES FROM COMBUSTION EXHAUST GAS  
A method of reducing particulate matter and mercury emissions in a combustion flue gas includes, in an exemplary embodiment, combusting a fuel resulting in generation a flue gas flow, cooling the...
US20100083830 REMOVAL OF HEAVY METALS FROM HYDROCARBON GASES  
A process is disclosed for removing heavy metals from a hydrocarbon gas stream by contacting the hydrocarbon gas stream, which contains a heavy metal and less than 10 ppm oxidizing compounds, with...
US20120266752 METHOD FOR THE REMOVAL OF MERCURY FROM A STREAM OF FLUE GAS OBTAINED FROM THE COMBUSTION OF COAL AND SORBENT-MIXTURE  
A method for the removal of mercury from a stream of flue gas obtained from the combustion of at least one coal includes the steps of introducing a kaolin- or metakaolin-containing sorbent into...
US20100212494 Method for Eliminating Mercury from a Gas Containing CO2 and Oxygen  
A method for the purification of a feed gas stream at a pressure ≧3 bar, comprising at least 1% by volume of oxygen (O2) and at least 75% by volume of CO2 and mercury, enabling the mercury to be...
US20090056543 Method for removing mercury from flue gas after combustion  
A method of removing mercury from flue gases from combustion plants, such as for example power plants or waste incineration plants, is achieved in which mercury-containing flue gases are brought...
US20080292512 METHOD FOR PRODUCING AND USING A CARBONACEOUS SORBENT FOR MERCURY REMOVAL  
A method for removing mercury from flue gas comprises: applying a precursor of a sticky substance to surfaces of carbonaceous sorbent particles; injecting the carbonaceous sorbent particles into...
US20100126345 BROMINATION PROCESS  
A bromination process includes contacting fly ash with liquid bromine to increase the mercury adsorbing ability of the fly ash. The resultant brominated fly ash can be used to adsorb mercury in a...
US20150114225 Method for the purification of flue gas, filter system therefor, and retrofit unit  
A flue gas is cleaned by feeding same to a filtering separator. The filtering separator is accommodated in a housing, and the housing has a pre-filter side ahead of the filtering separator and a...
US20060048645 Process for the removal of arsine from a hydrocarbon stream with an adsorbent  
A process for the removal of arsine (AsH3) from a hydrocarbon stream, having an atmospheric boiling point lower than about 0° C., by contacting the hydrocarbon stream with an adsorbent that...
US20070234902 METHOD FOR MERCURY REMOVAL FROM FLUE GAS STREAMS  
The method for removing mercury from a flue gas stream of the present invention is comprised of first treating a sorbent with a metal halide, and then contacting a sufficient amount of the sorbent...
US20090134008 Metal Oxide System for Adsorbent Applications  
Provided herein are adsorbents and methods of using the adsorbents to at least partially remove one or more adsorbates. In an aspect, an adsorbate within a phase is at least partially removed by...
US20100031818 METHOD AND APPARATUS FOR ENHANCED MERCURY REMOVAL  
A method and apparatus for treating a coal combustion flue gas. In one embodiment, the method includes injecting a halogen into a flue gas, and injecting partially combusted, carbon enriched...
US20080282889 OIL SHALE BASED METHOD AND APPARATUS FOR EMISSION REDUCTION IN GAS STREAMS  
Pollution reduction processes may be incorporated with, or retrofit to fit with, existing combustion processes to assist with the reduction of pollutants produced in the combustion process. The...

Matches 1 - 50 out of 80 1 2 >