| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
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| 08/07/2013 | CN102409177B Method for comprehensively recovering aluminum, silicon and titanium from pyrite tailings |
| 08/07/2013 | CN102191386B Reaction device of non-ferrous metal recycling |
| 07/31/2013 | EP2619339A1 Method for removing mercury contamination from solid surfaces |
| 07/31/2013 | CN203096144U Mercury suction device |
| 07/31/2013 | CN203096143U Feed liquid selective high-efficiency iron removing device |
| 07/31/2013 | CN203096142U Device for treatment of copper-containing waste residues by waste acid |
| 07/31/2013 | CN203091103U Scrap metal recovery centrifugal machine |
| 07/31/2013 | CN103225078A System and method for recycling tin from tin-stripping waste liquid and circularly preparing novel tin-stripping liquid |
| 07/31/2013 | CN103225023A Method for leaching and recovering rare earth element from rare earth slag |
| 07/31/2013 | CN103225022A Method for recovering tin from hot tinning smoke dust |
| 07/31/2013 | CN103225021A Dust extraction apparatus |
| 07/31/2013 | CN102660684B Method for purifying silver by using wastewater of silver plating production line of rhinestone and method for preparing high-purity silver nitrate |
| 07/31/2013 | CN102586610B Cleaner production process for synchronously extracting vanadium and aluminum from aluminothermic vanadium iron slag |
| 07/31/2013 | CN102492847B Method for smelting intermediate alloy by utilizing waste nickel powder |
| 07/31/2013 | CN102418099B Process for recovering copper by processing acidic copper chloride etchant through rotational flow electrolysis |
| 07/31/2013 | CN102251244B Cyclic regeneration and copper extraction process for printed circuit board etching waste solution |
| 07/31/2013 | CN101942563B Method for manufacturing lithium carbonate from material recovered from lithium ion secondary batteries |
| 07/30/2013 | US8496727 Method for treating slag flowing from a metallurgical vessel and a device for carrying out said method |
| 07/25/2013 | WO2013107937A1 A method, a system, and an apparatus for reducing the content of and/or for separating compounds from source material |
| 07/24/2013 | EP2617841A1 A method for recovering metal and/or metal compounds which are bound in polymer materials |
| 07/24/2013 | EP2616559A2 Dry granulation of metallurgical slag |
| 07/24/2013 | CN203079761U Waste water and heavy metal recycling device |
| 07/24/2013 | CN103221557A Method for producing nickel-ontaining acidic solution |
| 07/24/2013 | CN103215457A Method for extracting rare chemical element from electrolytic manganese residues |
| 07/24/2013 | CN103215456A Method for improving silver recovery rate of silver concentrate by improving separation concentration |
| 07/24/2013 | CN103215455A Method for extracting lead and silicon from CRT (Cathode Ray Tube) cone glass with strong alkali by adopting mechanical activation process |
| 07/24/2013 | CN103215454A Rhodium reduction activation dissolution method |
| 07/24/2013 | CN103215453A Method for treating waste residue by using arsenious wastewater in clean mode |
| 07/24/2013 | CN103215452A Method for recovering rare earth lanthanum hydroxide from waste lens |
| 07/24/2013 | CN103215451A Recovery method of rare earth elements in ionic rare earth smelting acid dissolution slag |
| 07/24/2013 | CN103215450A Device for recovering residues produced by medical support laser processing |
| 07/24/2013 | CN103215441A Method for treating grate furnace garbage incineration flyash by using metallurgical sintering process |
| 07/24/2013 | CN103215402A Method for producing iron-nickel-copper alloy powder by treating nickel waste slag in oxidizing atmosphere furnace |
| 07/24/2013 | CN103214201A Method for comprehensively utilizing electrolytic manganese residues |
| 07/24/2013 | CN102560118B Method for recycling tin and lead from waste circuit board leach liquor |
| 07/24/2013 | CN102352444B Method for producing compound salts by tantalum metallurgy byproducts |
| 07/24/2013 | CN101960026B Method of recovering thallium at cement manufacturing facility, and recovery apparatus |
| 07/24/2013 | CN101942568B Method for recovering noble metal from waste computer and fittings thereof |
| 07/24/2013 | CN101914683B Method for high-value and non-waste utilization of cyanidation slag |
| 07/18/2013 | WO2013104895A1 Recovery of metals |
| 07/17/2013 | EP2614166A1 Production of nano sized ferrite |
| 07/17/2013 | EP2614165A1 Method for recycling dust from electric steel plants |
| 07/17/2013 | CN203065555U Recycled aluminum smelting refining agent feeding device |
| 07/17/2013 | CN203065548U T-shaped slag pan of slag press |
| 07/17/2013 | CN203065547U Brass smelting furnace |
| 07/17/2013 | CN103205579A Method for treating ammonioiarosite residues |
| 07/17/2013 | CN103205578A Method for preparing iron-copper alloy by using waste pickling liquid in steelworks |
| 07/17/2013 | CN103205577A Method for extracting and separating lead from waste lead-containing glass |
| 07/17/2013 | CN103205576A Method for treating lead anode slime |
| 07/17/2013 | CN103205575A Method for recovering hydrochloric acid and rare earth from oxalate rare earth precipitation waste water |
| 07/17/2013 | CN103205574A Comprehensive control and utilization method of vanadium precipitation waste water and kiln and furnace flue gas |
| 07/17/2013 | CN103205560A Impurity-removing and magnetic separation method for converter dust removal ash (magnetic separation sludge) |
| 07/17/2013 | CN102690955B Method for comprehensively recycling valuable metals from lead anode slime by oxygen pressure treatment |
| 07/17/2013 | CN102534227B Method for extracting indium from indium-rich smoke dust by using oxygen pressure technology |
| 07/17/2013 | CN102409180B Metallurgical process for recovering metal copper, lead, zinc and tin from copper refining waste slag |
| 07/11/2013 | WO2013103099A1 Method for separating and recovering rare-earth element |
| 07/11/2013 | US20130177487 Upgrading of precious metals concentrates and residues |
| 07/10/2013 | CN203053247U Straight-insertion pipeline system suitable for dust removal of furnace in fluid bed |
| 07/10/2013 | CN203049010U Side-blown continuous smelting device of electronic scrap |
| 07/10/2013 | CN203049007U Aluminum liquid recovery device |
| 07/10/2013 | CN203043793U Dust-collecting purifying device for flue gas |
| 07/10/2013 | CN103199319A Method for recycling lithium cobalt oxide from waste positive electrode of lithium cobalt oxide battery |
| 07/10/2013 | CN103194626A Separating and recycling method of rare earth elements |
| 07/10/2013 | CN103194615A Lead hydrometallurgical technology through utilizing lead sulfate |
| 07/10/2013 | CN103194611A Method for producing vanadium oxide |
| 07/10/2013 | CN103194610A Method for extracting gold from silver separating residues in nonferrous metal exploitation |
| 07/10/2013 | CN103194609A Method for preparing scandium oxide by using rough scandium extracted from waste acid water of titanium dioxide as raw material |
| 07/10/2013 | CN103194608A Method and system for recovering gold from production waste liquor |
| 07/10/2013 | CN103194607A Precious-metal recycling and burning equipment and storage rack thereof |
| 07/10/2013 | CN103194606A Method for concentrating platinum group metals from alumina-based waste catalyst |
| 07/10/2013 | CN103194605A Treatment method for polymetallic alloy formed by arsenic-lead-antimony and noble metal |
| 07/10/2013 | CN103194604A Method for recovering tantalum, silver and manganese in waste and old tantalum capacitor |
| 07/10/2013 | CN103193289A Method for recycling uranium in uranium-contained waste water |
| 07/10/2013 | CN103191701A Preparation method of gold absorbent based on waste eggshell membrane biomaterial |
| 07/10/2013 | CN102719679B Method for recycling gallium and germanium from germanium-extracted residues |
| 07/10/2013 | CN102643988B Method for leaching metallic copper from waste printed circuit board by using ionic liquid |
| 07/10/2013 | CN102534226B Method for extracting precious metal from spent automobile catalyst by concentration smelting-wet separation process |
| 07/10/2013 | CN102399992B Method for recovering valuable metals from waste plastic plating layer containing copper and nickel |
| 07/10/2013 | CN102212697B Tungsten slag treatment method |
| 07/10/2013 | CN102046820B Method and apparatus for collection of rare earth element |
| 07/10/2013 | CN101910429B Method and apparatus for removing/recovering copper from copper-containing acidic waste liquid and process for producing copper-containing substance |
| 07/10/2013 | CN101509076B Process for extracting copper and vanadium pentoxide from waste liquor after cleaning vanadium-removed copper wire sphere |
| 07/10/2013 | CN101476042B Method for recycling indium and germanium from alkali slag |
| 07/04/2013 | US20130167760 Method for incinerating carbon-containing dry metallic ash |
| 07/04/2013 | DE102011090072A1 Verfahren zur Gewinnung eines Metalls aus einer das Metall enthaltenden Schlacke sowie Vorrichtung zur Gewinnung des Metalls A process for recovering a metal from a slag containing the metal as well as apparatus for obtaining the metal |
| 07/03/2013 | EP2609226A1 Process for magnesium production |
| 07/03/2013 | CN203037083U Screw driving oscillating type lead smelting and slag removing device |
| 07/03/2013 | CN203037082U Swing type lead melting slag removal apparatus |
| 07/03/2013 | CN203037059U Secondary lead recovery smelting furnace |
| 07/03/2013 | CN203034066U Lead melting system with removed slag discharged concentratedly |
| 07/03/2013 | CN103189529A Process for magnesium production |
| 07/03/2013 | CN103184346A Method for selectively separating vanadium, lead and zinc from vanadinite |
| 07/03/2013 | CN103184345A Method for removing iron and enriching platinum group metals from smelted iron trapping material |
| 07/03/2013 | CN103184343A Method for recovering rare earth, thorium and iron in waste residue of rare earth acid technological process |
| 07/03/2013 | CN103184342A Method for burning off carbonaceous dry metallic ash |
| 07/03/2013 | CN103184341A Method for recovering disused lead plaster to prepare superfine lead powder and application of superfine lead powder |
| 07/03/2013 | CN103184340A Method for recovering lead plaster of negative pole of disused lead acid storage battery and application of recovered lead plaster |
| 07/03/2013 | CN103184339A Gallium arsenide processing device and processing method |
| 07/03/2013 | CN103184338A Recovery method of copper indium gallium selenide thin-film solar panel |
| 07/03/2013 | CN102586609B Method for comprehensively utilizing copper slag |