| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 04/13/2006 | US20060076228 Method for eliminating mercury from solution contaminated by the same |
| 04/12/2006 | EP1644542A1 Oxidative leach process |
| 04/12/2006 | EP1644541A1 Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material |
| 04/12/2006 | CN2771220Y Unit rare-earth extracting tank |
| 04/12/2006 | CN1759193A Improved heap leach |
| 04/12/2006 | CN1757771A Method of stripping cyanide and valuable metal on resin with ultrasonic |
| 04/12/2006 | CN1757770A Treatment method of high alkali concentration sodium tungstate solution |
| 04/12/2006 | CN1757769A Desulfur method of iron ore |
| 04/12/2006 | CN1757768A Separation method of indium tin mixture |
| 04/12/2006 | CN1757767A Shielding iron removing method in high purity aluminium oxide preparation process |
| 04/11/2006 | US7025899 Concentrated solutions of oxime metal extractants and method of formulating extractant compositions therefrom |
| 04/06/2006 | WO2006035993A1 Apparatus and method for treating waste water |
| 04/06/2006 | US20060073087 Method and apparatus for the formation of particles |
| 04/05/2006 | CN1249269C Method for recovering stibium and bismuth from copper electrolyte |
| 04/05/2006 | CN1249259C Method for direct extraction and separation of rare earth carbonate and rare earth oxide by using acid extractant |
| 04/05/2006 | CN1249258C Method for leaching copper concentrate |
| 04/05/2006 | CN1249257C Mtehod for hydrolytic precitpitation of iron |
| 04/04/2006 | US7022504 Using chemolithotrophic bacteria to oxidise and recover copper from sulphide ores |
| 03/30/2006 | US20060067862 Contacting a gas stream containing the target metals with reactive chemical species generated in a plasma device; the metal is chemically converted into forms enabling capture in either conventional particulate removal devices or in a wet scrubber |
| 03/30/2006 | CA2581106A1 Synergistic solvent extraction process |
| 03/29/2006 | EP1639144A2 Method for recovering at least one metallic element like cesium from ore |
| 03/29/2006 | EP1392874B1 A novel porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith |
| 03/29/2006 | CN1753937A Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 03/29/2006 | CN1752236A Dearsenic technique for high-arsenic complicated solution |
| 03/29/2006 | CN1752235A Methpd for separating and recovering Sb and Bi |
| 03/29/2006 | CN1752232A Once process for extracting and separating Ni, Mg and Co from nickel sulfate solution recovered from waste nickel-hydrogen and nickel-cadmium cells |
| 03/29/2006 | CN1752231A Device for dissolving out aluminium oxide |
| 03/29/2006 | CN1247804C Process for recovering palladium from TDI hydro genation waste palladium carbon catalyst |
| 03/29/2006 | CN1247306C New process for synthesizing lithium ion separation material |
| 03/28/2006 | US7018605 Sulfidation reaction control method |
| 03/28/2006 | US7018593 aerating surface layers containg ores by agitation, then adjusting pH and moisture, oxidizing, slurrying with water and separation of solids and solution by solvent extraction or ion exchanging |
| 03/28/2006 | CA2380629C Process for producing oxide-dispersion strengthened platinum material |
| 03/23/2006 | WO2006030279A2 Apparatus and process for recovery of metal values from leach or waste slurries |
| 03/23/2006 | US20060060538 Compositions for removing metal ions from aqueous process solutions and methods of use thereof |
| 03/23/2006 | CA2621853A1 Apparatus and process for recovery of metal values from leach or waste slurries |
| 03/23/2006 | CA2580542A1 Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process |
| 03/23/2006 | CA2580120A1 Process for preparing nickel loaded organic extractant solution |
| 03/23/2006 | CA2577820A1 Separation apparatus |
| 03/23/2006 | CA2572420A1 Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching |
| 03/22/2006 | CN1749421A Process for extracting platinum metals from ore containing platinum metal |
| 03/22/2006 | CN1749420A Process for extracting metal cobalt from waste hard alloy |
| 03/22/2006 | CN1246488C Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium |
| 03/21/2006 | CA2520275A1 Recovery of one or more platinum group metals from a source of one or more platinum group metals |
| 03/21/2006 | CA2277622C Autoclave having high oxygen transfer rate to metal-containing solutions |
| 03/16/2006 | WO2006027412A1 Preparation of zinc chemicals from the minor flow of a process |
| 03/16/2006 | CA2578987A1 Mixing apparatus |
| 03/16/2006 | CA2577863A1 Preparation of zinc chemicals from the minor flow of a process |
| 03/15/2006 | EP1633896A1 Process for purifying inorganic materials |
| 03/15/2006 | EP1229977B1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions |
| 03/15/2006 | EP1112389B1 Process for recovery of gold and/or silver |
| 03/14/2006 | US7012209 Method of gold separation and gold separation device |
| 03/09/2006 | US20060049109 Method for removing mercury from solutions which are contaminated with mercury |
| 03/09/2006 | US20060049104 Method and equipment for guiding dispersion in liquid-liquid extraction |
| 03/08/2006 | EP1412546B1 A method for the removal of metals from an aqueous solution using lime precipitation |
| 03/08/2006 | CN1745085A Novel heteroatom containing tetracyclic derivatives as selective estrogen receptor modulators |
| 03/08/2006 | CN1743473A Si-Mn waste residue treatment method and its use |
| 03/08/2006 | CN1244687C Biological heap leaching process for cobaltous nickelous sulfide ore containing arsenic |
| 03/08/2006 | CN1244685C Acid resistant mutagenic bacteria and its dump leaching process used for ore |
| 03/08/2006 | CN1244498C Manufacture of high grade artificial rutile from low grade primary gregorite |
| 03/07/2006 | US7008606 Process for passivating sulfidic iron-containing rock |
| 03/07/2006 | US7008601 Materials and methods for the separation of copper ions and ferric iron in liquid solutions |
| 03/02/2006 | WO2006021342A1 Particular calixarenes method for production and use therof |
| 03/02/2006 | CA2577864A1 Particular calixarenes, method for production and use therof |
| 03/01/2006 | EP1628913A2 A process for recovering phosphorus from phosphorus production sludge |
| 03/01/2006 | EP1628767A1 A resin and process for extracting non-ferrous metals |
| 03/01/2006 | EP1558772A4 Production of titania |
| 03/01/2006 | EP1438439B1 A method for purifying the solution in the hydrometallurgical processing of copper |
| 03/01/2006 | CN1742104A Method for recovery of zinc by countercurrent leaching |
| 03/01/2006 | CN1740356A In-situ chemical process of preparing zircmia reinforced copper-base composite material |
| 03/01/2006 | CN1243838C Technology for preparing cell-level high-purity nickel sulfate by the selective leach of water quenching high grade nickel and sulfuric acid |
| 02/23/2006 | WO2005123971A3 Scavenger supports with amino-functionalised pendant ketoester or ketomide groups for removing metals from solutions |
| 02/23/2006 | US20060037889 Apparatus for reclamation of precious metals from circuit board scrap |
| 02/23/2006 | US20060037438 Process for extraction of metals from ores or industrial materials |
| 02/22/2006 | EP1627087A1 A process for the recovery of value metals from material containing base metal oxides |
| 02/22/2006 | EP1563107A4 Production of titania |
| 02/22/2006 | EP1558771A4 Production of titania |
| 02/22/2006 | CN1738917A Process for nickel and cobalt extraction from laterite ores |
| 02/22/2006 | CN1737172A Device for removing lead and recycling lead from lead-polluted soil and lead containg waste water |
| 02/22/2006 | CN1737171A Method for reducing wet method smelting waste liquid pollution and saving silver immersion cost |
| 02/22/2006 | CN1243112C Process for extracting lithium from salt lake brine by adsorptive method |
| 02/22/2006 | CN1243111C Improved bacterial oxidation of sulphide ores and concentrates |
| 02/21/2006 | CA2138381C Hydrometallurgical copper extraction process |
| 02/16/2006 | WO2006016892A2 Cesium and strontium extraction using a mixed extractant solvent including crown ether and calixarene extractants |
| 02/16/2006 | US20060035356 Exposing to low nutrient environment to reduce exopolymer content on external cell walls prior to embedding and reactivation |
| 02/16/2006 | US20060034739 Method for the post-treatment of titanium dioxide pigments |
| 02/16/2006 | US20060032800 Collecting agent comprising ammoniated compounds (primary, secondary, tertiary amines), for use in the process of grinding and/or floating copper, molybdenum, zinc, and other contained mineral ores |
| 02/15/2006 | EP1626098A2 Process of dissolving zinc in alkaline brines |
| 02/15/2006 | CN1735468A Method and device for treating incineration fly ash |
| 02/15/2006 | CN1733952A Method for extracting rare metal from waste and old carbide alloy |
| 02/15/2006 | CN1733949A Zinc oxide raw ore fluidization leaching process |
| 02/15/2006 | CN1733948A Flotation zinc oxide concentrate wet method smelting process |
| 02/09/2006 | WO2006013568A2 Recovery of precious metals from electronic scrap by hydrometallurgical processing |
| 02/08/2006 | EP1623049A1 Recovery of platinum group metals |
| 02/08/2006 | EP1622721A1 Method and apparatus for desorbing material |
| 02/08/2006 | EP1379703B1 Method of purification of a redox mediator solution before electrolytic regeneration thereof |
| 02/08/2006 | EP1370699B1 A method for the precipitation of silica in connection with zinc ore leaching |
| 02/08/2006 | CN1732277A Recovering metals from sulfidic materials |
| 02/08/2006 | CN1730686A Method of combined dissolve to multiple tungsten to deeply extracting tungsten |
| 02/08/2006 | CN1730683A High Iron zinc calcine process method |
| 02/08/2006 | CN1730681A Production method of acid extractant saponifying organic phase used in rare earth extraction separation |