| Patents for C22B 43 - Obtaining mercury (631) |
|---|
| 10/14/2010 | WO2010116167A1 Ionic liquid solvents of perhalide type for metals and metal compounds |
| 09/21/2010 | US7799113 improved pyrolyzer design; pyrolysis unit containing a tailpiece that allows water (or other reagent) to be injected at a heated exit of the thermal pyrolysis unit, facilitates prompt and efficient removal of offending gases before recombination can occur; minimizes buildup of residual mercury chloride |
| 08/26/2010 | WO2010096400A1 Mercury removal from hydrocarbons |
| 07/27/2010 | US7763095 processing silicon containing impurities by internal gettering by adding additional transition metal atoms to molten silicon so as to increase the effectiveness of the internal gettering during cooling of molten silicon, thereby producing silicon having one or more improved electrical properties |
| 06/16/2010 | CN1777466B Method and apparatus for mitigating mercury emissions in exhaust gases |
| 06/10/2010 | US20100143781 Methods for the preparation and purification of electrolytes for redox flow batteries |
| 05/05/2010 | CN101701293A Method for recovering waste mercury |
| 03/11/2010 | WO2010026712A1 Device and method for distilling mercury from waste fluorescent powder |
| 01/28/2010 | WO2009125341A3 Method and apparatus for the microbiological removal of mercury from contaminated materials |
| 11/17/2009 | US7618581 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 10/15/2009 | WO2009125341A2 Microbiological mercury removal from contaminated materials |
| 10/14/2009 | EP1567684B2 Method for eliminating mercury from solutions contaminated by the same |
| 10/07/2009 | CN101549232A Method and apparatus for mitigating mercury emissions in exhaust gases |
| 08/19/2009 | CN101511968A Dispersant coated weighting agents |
| 07/22/2009 | EP1509629B1 Method for the removal of mercury from combustion gases |
| 07/21/2009 | US7563429 spent mass is treated with a hydrogen peroxide for leaching out selenium content from unspent active substance present in the filter mass to form selenious acid, treating with aqua regia to dissolve mercury selenide, separating aqua regia solution conatining HgSe, adding Na2s to form HgS, separting HgS |
| 06/24/2009 | EP2072468A2 Method and device for manufacturing mercy sulphide for subsequent disposal |
| 06/24/2009 | EP2072467A2 Method and device for manufacturing mercy sulphide for subsequent disposal |
| 06/18/2009 | WO2004037369A3 System and process for removal of pollutants from a gas stream |
| 06/03/2009 | CN101445876A Withdrawing device of high-purity mercury in a mercury purifying device and method |
| 04/16/2009 | US20090095133 Methods, compositions, and devices for safe storage, transport, disposal and recycling of mercury containing light bulbs |
| 04/14/2009 | US7517435 Filtering an alkali solution or an alcoholic alkali metal alkoxide solution contaminated with mercury through carbon and then through an inert fiber material; distilling off water or alcohol and removing the solution depleted in mercury at the column bottom |
| 03/18/2009 | EP1694425B1 A method of recycling an exhausted selenium filter mass |
| 01/27/2009 | US7481865 Method for removing mercury from gas |
| 01/08/2009 | US20090011512 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 01/02/2009 | DE102006056731A1 Verfahren zur Erzeugung von elementarem Quecksilber aus Quecksilberverbindungen A process for the production of elemental mercury from mercury compounds |
| 01/01/2009 | US20090000484 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 12/24/2008 | EP2004869A2 Method for removing water from alkali metal amalgam |
| 12/17/2008 | EP2002902A1 Method of processing mercurial waste and facility for implementing same |
| 11/19/2008 | EP1573078B1 Method for reducing emissions |
| 10/02/2008 | US20080241030 reduce NOx, SOx, and mercury with a scrubbing gas stream containing hydrogen peroxide and chlorine dioxide generated from sodium chlorate; remove by-product sulfuric acid and nitric acid; reduce mercury emissions by forming water soluble mercury nitrate; control combustion emission, pollution control |
| 10/02/2008 | US20080241029 Methods and apparatus for removing mercury from combustion flue gas |
| 10/02/2008 | US20080241028 Injecting coal fines into flue gas and combusting to produce carbon containing fly ash used to oxidize mercury for easy sorbent removal; coal fired power plants |
| 10/02/2008 | US20080241027 Air pollution control at coal fired power plants; cooling flue gas flow within ducts and creating turbulence for efficient, low cost removal |
| 07/08/2008 | US7396514 Electronic controls for pollutant removal |
| 03/20/2008 | WO2008033591A1 Dispersant coated weighting agents |
| 03/20/2008 | WO2007113209A8 Method for removing water from alkali metal amalgam |
| 02/19/2008 | US7332090 filtration through a carbon filter of electrode graphite; regenerated by sonication with ultrasound; alkali metal hydroxides or alkoxides; amalgam product streams |
| 01/10/2008 | WO2007113209A3 Method for removing water from alkali metal amalgam |
| 12/06/2007 | US20070278086 Device and Method for Removing Mercury from Residues |
| 10/03/2007 | CN100340683C Sorbents and methods for the removal of mercury from combustion gases |
| 07/24/2007 | US7247279 such as nitrogen oxides and sulfur oxides, mercury compounds, and ash; comprises manganese oxides as sorbents; filter cakes |
| 06/19/2007 | US7232782 Heating aqueous oxidizer solution containing manganese compound; absorber to remove target impurities |
| 05/08/2007 | US7214254 Method of removing mercury from mercury contaminated materials |
| 04/24/2007 | CA2442115C Method of adsorbing metals and organic compounds from vaporous streams |
| 02/28/2007 | EP1573078A4 Method for reducing emissions |
| 02/14/2007 | EP1751775A1 Method for stabilisation of metallic mercury using sulphur |
| 02/08/2007 | WO2006075999A3 Method for scavenging mercury |
| 01/11/2007 | US20070007878 Method of recycling an exhausted selenium filter mass |
| 11/02/2006 | US20060243096 Method and apparatus for converting oxidized mercury into elemental mercury |
| 10/18/2006 | CN1280863C Method and device for separating and recovering mercury |
| 08/30/2006 | EP1694425A1 A method of recycling an exhausted selenium filter mass |
| 08/09/2006 | EP1687102A1 Device and method for removing mercury from residues |
| 08/01/2006 | CA2237291C Method and apparatus for removing mercury and organic contaminants from soils, sludges and sediments and other inert materials |
| 07/20/2006 | WO2006076309A2 Mercury oxidation of flue gas using catalytic barrier filters |
| 07/20/2006 | US20060159605 directing the flue gas containing Hg towards the catalytic barrier filter (e.g. metallic); passing the flue gas through the filter in the presence of an oxidant ( O2, H2o2, Cl2 etc.); and outletting the flue gas from the catalytic barrier filter; about 50-99% of elemental Hg is oxidized; removing Hg2O |
| 07/20/2006 | CA2594540A1 Mercury oxidation of flue gas using catalytic barrier filters |
| 06/28/2006 | EP1567683B1 Method for removing mercury from solutions which are contaminated with mercury |
| 06/15/2006 | US20060127291 High density, high stability, sized metal oxide powder and process for making same |
| 06/13/2006 | CA2155249C Hydraulic mineral separator |
| 06/07/2006 | EP1664726A1 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 05/31/2006 | EP1567684B1 Method for eliminating mercury from solutions contaminated by the same |
| 05/24/2006 | CN1777466A Method and apparatus for mitigating mercury emissions in exhaust gases |
| 05/09/2006 | US7041270 Air pollution control |
| 04/26/2006 | CN1763232A Apparatus for recovering Hg from Hg-containing sludge and waste water |
| 04/25/2006 | US7033548 Denitrification, desulfurization; pollution control |
| 04/13/2006 | US20060076228 Method for eliminating mercury from solution contaminated by the same |
| 03/21/2006 | CA2150591C Caustic sludge treatment process |
| 03/09/2006 | US20060049109 Method for removing mercury from solutions which are contaminated with mercury |
| 03/02/2006 | US20060042418 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 01/31/2006 | CA2150988C Mercury recovery process |
| 12/22/2005 | DE102004025871A1 Through-flow device for removing metallic mercury from a mercury-containing fluid comprises a surface region made from an amalgam-forming metal over which the fluid flows |
| 12/13/2005 | US6974565 System and process for removal of pollutants from a gas stream |
| 10/27/2005 | US20050238549 For removal of pollutants, such as oxides of sulfur, oxides of nitrogen, fly ash, mercury compounds, and elemental mercury from gases generated from the burning of fossil fuels |
| 10/12/2005 | CN1681585A Regeneration, pretreatment and precipitation of oxides of manganese |
| 10/11/2005 | US6953494 Sorbents and methods for the removal of mercury from combustion gases |
| 09/21/2005 | CN2727189Y Heating furnace for treating mercury-containing waste residues |
| 09/14/2005 | EP1573078A1 Method for reducing emissions |
| 09/14/2005 | EP1509629A4 Sorbents and methods for the removal of mercury from combustion gases |
| 09/07/2005 | CN1665947A Sorbents and methods for the removal of mercury from combustion gases |
| 08/31/2005 | EP1567684A1 Method for eliminating mercury from solutions contaminated by the same |
| 08/31/2005 | EP1567683A1 Method for removing mercury from solutions which are contaminated with mercury |
| 08/31/2005 | EP1567682A1 Method and system for extracting metal from glass waste |
| 07/28/2005 | WO2005068369A1 Distillation arrangement comprising a distillation conveyor |
| 06/30/2005 | WO2005058462A1 A method of recycling an exhausted selenium filter mass |
| 06/28/2005 | US6911570 Application of a metal reagent, a sulfur-containing compound, and the addition of oxygen to the particulate material, either through agitation, sparging or the addition of an oxygen-containing compound. |
| 06/09/2005 | WO2005051559A1 Device and method for removing mercury from residues |
| 06/08/2005 | EP1385600A4 Method of adsorbing metals and organic compounds from vaporous streams |
| 05/26/2005 | US20050112041 Method for producing higher purity zinc oxide |
| 05/25/2005 | CN1620334A Pretreatment and regeneration of oxides of manganese |
| 05/17/2005 | US6893606 Method and system for extracting metal from glass waste |
| 05/17/2005 | US6893605 Method and system for extracting metal from glass waste |
| 04/28/2005 | US20050089460 Method of removing mercury from mercury contaminated materials |
| 03/31/2005 | WO2005029044A1 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 03/24/2005 | US20050061110 improved pyrolyzer design; pyrolysis unit containing a tailpiece that allows water (or other reagent) to be injected at a heated exit of the thermal pyrolysis unit, facilitates prompt and efficient removal of offending gases before recombination can occur; minimizes buildup of residual mercury chloride |
| 03/15/2005 | US6866814 Mercury recovery apparatus |
| 03/02/2005 | EP1509629A1 Sorbents and methods for the removal of mercury from combustion gases |
| 01/04/2005 | US6838504 Metal wastes in polymer matrix; control releasing; pollution control |
| 12/09/2004 | DE4311326B4 Verfahren zur Reinigung von Schwefel A process for purifying sulfur |
| 12/01/2004 | EP1268867B1 Method and a plant for removing mercury contamination from metal with a reducing liquid |