| Patents for C22B 43 - Obtaining mercury (631) |
|---|
| 11/18/2004 | CA2524291A1 Method and apparatus for mitigating mercury emissions in exhaust gases |
| 10/28/2004 | US20040213719 Mercury recovery method and mercury recovery apparatus |
| 10/14/2004 | US20040202594 Coal gasification with alkali additives to reduce emissions of mercury to the atmosphere |
| 10/05/2004 | US6800112 Mercury recovery method |
| 09/22/2004 | EP1458474A1 Pretreatment and regeneration of oxides of manganese |
| 08/31/2004 | US6783744 For recovery of high purity zinc oxide products and optionally iron carbon feedstocks from industrial waste streams containing zinc oxide and/or iron; waste streams treated by adding carbon and ammonium chloride displacing undesired metal |
| 08/24/2004 | CA2131575C Agent for treating metal ions in an aqueous solution, process for producing the metal ion-treating agent and method for treating metal ions in an aqueous solution |
| 07/07/2004 | EP1435674A1 Integrated fixation systems |
| 06/24/2004 | WO2004053174A1 Method and system for extracting metal from glass waste |
| 06/17/2004 | WO2004050929A1 Method for reducing emissions |
| 06/17/2004 | CA2506582A1 Method for reducing emissions |
| 06/10/2004 | WO2004048625A1 Method for eliminating mercury from solutions contaminated by the same |
| 06/10/2004 | WO2004048624A1 Method for removing mercury from solutions which are contaminated with mercury |
| 06/10/2004 | US20040109800 System and process for removal of pollutants from a gas stream |
| 06/10/2004 | US20040108633 Method and system for extracting metal from glass waste |
| 06/10/2004 | US20040108632 Method and system for extracting metal from glass waste |
| 06/09/2004 | DE10255240A1 Verfahren zur Entfernung von Quecksilber aus mit Quecksilber verunreinigten Lösungen A process for removal of mercury from solutions contaminated with mercury |
| 06/09/2004 | DE10255239A1 Verfahren zur Entfernung von Quecksilber aus mit Quecksilber verunreinigten Lösungen A process for removal of mercury from solutions contaminated with mercury |
| 06/08/2004 | CA2126079C Extraction of mercury and mercury compounds from contaminated material and solutions |
| 05/06/2004 | WO2004037369A2 System and process for removal of pollutants from a gas stream |
| 04/15/2004 | US20040071619 Method for the purification of zinc oxide controlling particle size |
| 02/24/2004 | US6696029 Method for the purification of zinc oxide controlling particle size |
| 02/04/2004 | EP1385600A1 Method of adsorbing metals and organic compounds from vaporous streams |
| 01/29/2004 | WO2004009232A1 Disassociation processing of metal oxides |
| 01/29/2004 | US20040018936 Heating aqueous oxidizer solution containing manganese compound; absorber to remove target impurities |
| 01/08/2004 | US20040003716 Sorbents and methods for the removal of mercury from combustion gases |
| 12/31/2003 | WO2002028513A8 Systems and processes for removal of pollutants from a gas stream |
| 12/30/2003 | US6669757 Method for extracting metal from glass waste |
| 12/23/2003 | US6666904 Method and system for extracting metal from glass waste |
| 11/27/2003 | US20030219368 Air pollution control |
| 11/13/2003 | WO2003093518A1 Sorbents and methods for the removal of mercury from combustion gases |
| 11/13/2003 | WO2003092861A1 Methods and compositions to sequester combustion-gas mercury in fly ash and concrete |
| 11/06/2003 | US20030206843 Methods and compositions to sequester combustion-gas mercury in fly ash and concrete |
| 09/25/2003 | WO2002028513A3 Systems and processes for removal of pollutants from a gas stream |
| 09/18/2003 | WO2003076070A1 Regeneration, pretreatment and precipitation of oxides of manganese |
| 09/18/2003 | US20030175194 Purification by removing of oxides of sulfur (SOX) and oxides of nitrogen (NOX) gases; pollution control, air pollution, catalytic exhaust system |
| 09/04/2003 | WO2003072241A1 Pretreatment and regeneration of oxides of manganese |
| 08/26/2003 | US6610263 System and process for removal of pollutants from a gas stream |
| 08/21/2003 | US20030157008 Denitrification, desulfurization; pollution control |
| 07/10/2003 | WO2002009852A9 System and process for removal of pollutants from a gas stream |
| 07/09/2003 | EP1047501A4 Apparatus and method for handling mercury containing lamps |
| 06/17/2003 | US6579507 System and process for removal of pollutants from a gas stream |
| 06/04/2003 | EP1315546A2 System and process for removal of pollutants from a gas stream |
| 05/06/2003 | US6558642 Removal of mercury and other metals, as well as furans, dioxins and other organic compounds from high temperature and high moisture gaseous streams; utilizes an adsorption powder containing a carbon-based powder and cupric chloride |
| 02/12/2003 | EP1017511B1 Process for cleaning mercury-contaminated soils |
| 02/06/2003 | WO2002009852A3 System and process for removal of pollutants from a gas stream |
| 02/04/2003 | US6514457 Extraction of impurities from structures containing mercury, cadmium, zinc, or tellurium, and impurities |
| 02/04/2003 | US6514396 Dropping mercury electrode with mercury purification and recycling by means of contact with oxygenated water |
| 01/29/2003 | CN1393570A Process for removing and recovering Hg from waste battery |
| 01/28/2003 | CA2091033C Method of sulfur purification |
| 01/02/2003 | EP1268867A1 Method and a plant for removing mercury contamination from metal with a reducing liquid |
| 12/26/2002 | US20020198097 Method of adsorbing metals and organic compounds from vaporous streams |
| 12/18/2002 | EP0663960B1 Method for removing mercury from contaminated soils and industrial wastes and related apparatus |
| 11/14/2002 | US20020168302 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 |
| 11/14/2002 | US20020167120 Mercury recovery method and mercury recovery apparatus |
| 11/13/2002 | CN1379430A Method and device for separating and recovering mercury |
| 10/31/2002 | WO2002085498A1 Method of adsorbing metals and organic compounds from vaporous streams |
| 10/23/2002 | EP1009552B1 Method and arrangement for destruction of hazardous waste |
| 10/17/2002 | US20020150783 Deformable coated wick liquid spilled material transfer |
| 10/17/2002 | US20020150516 System and process for removal of pollutants from a gas stream |
| 10/02/2002 | EP1245687A2 Method and apparatus for mercury recovery from waste fluorescent lamps |
| 09/04/2002 | CN1090225C Method of eliminating mercury from liquid hydrocarbons |
| 08/08/2002 | US20020106317 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. |
| 08/07/2002 | CN1088608C Conitual method for simutaneously collecting and precipitating mercury in mercury-containing gas |
| 07/09/2002 | US6416567 Removal of mercury from waste materials |
| 07/03/2002 | EP1218121A1 Process and apparatus for recovering heavy metals from contaminated materials |
| 06/06/2002 | WO2002043814A1 Improved method for fixating sludges and soils contaminated with mercury and other heavy metals |
| 06/06/2002 | WO2002008572A3 Electrochemical device for collecting mercury or other heavy metal in mining sites |
| 06/04/2002 | US6399851 Method and apparatus for removing mercury and organic contaminants from soils, sludges and sediments and other inert materials |
| 04/24/2002 | CN1083303C Method of decontaminating nuclear waste-contg. soil |
| 04/24/2002 | CN1083302C Method of decontaminating soils containing haxardous metals |
| 04/11/2002 | WO2002028513A2 Systems and processes for removal of pollutants from a gas stream |
| 03/27/2002 | EP1051610B1 Dropping mercury electrode with mercury purification and recycling by means of contact with oxygenated water |
| 03/13/2002 | EP0781174B1 Methods of decontaminating soils containing hazardous metals |
| 03/06/2002 | EP0781173B1 Method of decontaminating nuclear waste-containing soil |
| 02/07/2002 | WO2002009852A2 System and process for removal of pollutants from a gas stream |
| 02/07/2002 | CA2456272A1 System and process for removal of pollutants from a gas stream |
| 01/31/2002 | WO2002008572A2 Electrochemical device for collecting mercury or other heavy metal in mining sites |
| 09/25/2001 | US6294028 For reducing the risk of environmental contamination by mercury and mercury salts used during removal of gold ballbonds from the pads of a semiconductor device |
| 08/23/2001 | WO2001061061A1 Method and a plant for removing mercury contamination from metal with a reducing liquid |
| 07/31/2001 | US6268590 Apparatus and method for continuous retorting of mercury from ores and others mercury contaminated materials |
| 07/31/2001 | CA2158671C Continuous procedure for the simultaneous collection and precipitation of mercury in gases containing it |
| 06/19/2001 | US6248217 Entrainment of adsorbent material in vapor stream of heavy metal, i,e., mercury, while irradiating with ultraviolet light to oxidize the metal species and enhance its reaction with the adsorbent |
| 04/24/2001 | US6221128 Recovery and removal of mercury from effluent |
| 04/19/2001 | WO2001026833A1 Process and apparatus for recovering heavy metals from contaminated materials |
| 04/11/2001 | EP1090695A1 Process and apparatus for recovering heavy metals from contaminated materials |
| 03/20/2001 | US6202948 Apparatus for handling mercury containing lamps |
| 03/07/2001 | EP1017511A4 Process for cleaning mercury-contaminated soils |
| 03/01/2001 | DE19940684A1 Removal of elementary mercury from residues produced during natural gas recovery comprises separating out elementary mercury and foreign materials, re-suspending, classifying fine and coarse solids and further treating |
| 02/13/2001 | US6186884 Apparatus for handling mercury containing lamps |
| 02/06/2001 | US6183533 Heating to evaporate mercury; air flow |
| 12/26/2000 | US6165067 Method for handling mercury containing lamps |
| 12/21/2000 | DE19927134A1 Recovering mercury for industrial use from contaminated sludge comprises heating and condensation on mobile assembly in low-cost process |
| 11/15/2000 | EP1051610A1 Dropping mercury electrode with mercury purification and recycling by means of contact with oxygenated water |
| 11/02/2000 | EP1047501A1 Apparatus and method for handling mercury containing lamps |
| 10/26/2000 | WO2000062906A1 Method and device for exhaust gas cleaning |
| 10/19/2000 | WO2000061827A1 An electrochemical cell for use in the recovery of mercury from aqueous solutions |
| 09/19/2000 | US6120579 Treating contaminated soils with solid hypochlorite in a continuous counter-current process; leaching, filtering, mixing with thickened solutions, treating with zinc powder or sulfide to form zinc mercury amalgam or mercury sulfide |
| 07/12/2000 | EP1017511A1 Process for cleaning mercury-contaminated soils |
| 06/21/2000 | EP1009552A1 Method and arrangement for destruction of hazardous waste |