Patents
Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341)
03/2010
03/11/2010WO2010026712A1 Device and method for distilling mercury from waste fluorescent powder
03/11/2010US20100058891 Method of recovering scrap metal
03/10/2010EP2160481A1 Method for the valorisation of zinc- and sulphate-rich residue
03/10/2010CN101665876A Machine of extracting residual metal from tailings of smelted nonferrous metal
03/10/2010CN101665875A Tin-lead recovery method in waste circuit board
03/10/2010CN101665874A Method for recycling gold from used printed electronic circuit board
03/10/2010CN101665873A Leaching method of anode material of used nickel cadmium battery
03/10/2010CN101665872A Leaching method of anode material of used nickel cadmium battery
03/10/2010CN100593575C Method for smelting host board and waste hardware, and device thereof
03/10/2010CN100593435C Method for recovering catalyst material, catalyst material recovered by said recovering method, method for recovering substrate, substrate recovered by said recovering method
03/09/2010US7674315 techniques for re-introducing iron-rich mill scale back into the basic iron and/or steel process stream whereby valuable economic and environmental benefits may be obtained
03/04/2010WO2010024150A1 Process for producing powder mixture comprising noble-metal powder and oxide powder and powder mixture comprising noble-metal powder and oxide powder
03/04/2010WO2010022742A1 Electroslag melting method for reprocessing of aluminium slag
03/04/2010WO2010022425A1 Method for processing solid or molten materials
03/04/2010WO2009146175A3 Wet chemical process for the sustainable recovery of metal compounds from waste such as electronic scrap
03/04/2010CA2735009A1 Method for processing solid or molten materials
03/03/2010CN201416028Y Metal titanium extracting device
03/03/2010CN101660055A Method for recovering toxic arsenic compounds during metal indium extraction
03/03/2010CN101660054A Method for extracting metal indium from waste residues generated from lead and zinc smelting
03/03/2010CN101660053A Method for recovering tin, antimony and lead and enriching indium from tin residue
03/03/2010CN101660052A Method for carrying out extracting operation on PCB copper waste etching solution
03/03/2010CN101660051A Method for recovering magnesium chips safely
03/03/2010CN101660050A Method for removing and processing impurities in manganese ions generated by negative plate of electrolytic manganese
03/03/2010CN101660049A Method for leaching cathode material of nickel-hydrogen used battery
03/03/2010CN101660048A Multilevel processing technology for recovering and utilizing precious metal wastes or waste liquid
03/02/2010US7670575 Method and device for treating anode slime
03/02/2010CA2481332C Process for the treatment or removal of impurities in a hydrometallurgical extraction process
02/2010
02/25/2010WO2010021341A1 Method for recovering noble metal
02/25/2010WO2010020421A1 Method for trapping a contaminating substance in a contaminated material
02/25/2010WO2010019993A1 Disposal of electrical and electronic equipment
02/25/2010WO2009149241A3 Method and apparatus for recovering catalytic elements from fuel cell membrane electrode assemblies
02/25/2010CA2734737A1 Disposal of electrical and electronic equipment
02/24/2010CN101654741A Method for separating and recovering lithium and cobalt from lithium ion cell
02/24/2010CN101654740A Method for generating metallic ruthenium or ruthenium compounds from solids containing ruthenium
02/23/2010CA2229232C Method for recovering nickel hydrometallurgically from two different nickel mattes
02/18/2010WO2010018080A1 Method and installation for producing granulated blast-furnace slag
02/18/2010WO2009156662A3 Method for processing and recycling zinc-rich iron metallurgy side products
02/17/2010EP2152920A1 Method and device for producing binderless briquettes and briquettes made up of metal chips and metal dusts
02/17/2010CN201406459Y Device for recycling heavy metal from industrial waste water
02/17/2010CN201406391Y Preparation system for N-910 copper extractant
02/17/2010CN101649396A Methods of removing F and Cl in secondary zinc oxide dust effectively and producing electrolytic zinc
02/17/2010CN101649395A Method for extracting gold and recycling cyanide from cyanide-containing wastewater
02/17/2010CN100590930C Desulfurization process of pastel and grids of lead accumulators
02/17/2010CN100590212C Treatment method and system for etching liquid
02/11/2010WO2010017364A2 Low cost routes to high purity silicon and derivatives thereof
02/11/2010WO2009145615A8 Method for recycling aluminium slags comprising an eddy current separator operating at reduced rotary speed.
02/10/2010CN101646789A Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts
02/10/2010CN101643854A Reduction method of lead-rich slag
02/10/2010CN101643853A Method for extracting indium and recovering valuable metals from flue dust of tin
02/10/2010CN101643852A Heap-leaching method for separating copper and tin from tin-plated copper wires
02/10/2010CN101643851A Method for lixiviating anode materials of lithium nickel waste batteries
02/10/2010CN100588725C Steel manufacturing dust solidified, process for producing the same and production apparatus therefor
02/04/2010US20100024598 Process for the treatment of contaminated metal residues and apparatus for implementing it
02/03/2010EP2149615A1 Equipment for the treatment of slag from electric furnaces
02/03/2010CN201397052Y Recycled aluminum ash cooling bucket
02/03/2010CN201395622Y Regeneration zinc saving device capable of on-line heating of zinc residue
02/03/2010CN101638726A Method for harmlessly treating precipitation slag of acid production wastewater by using Ausmelt copper smelting furnace
02/03/2010CN101638725A Method for enriching germanium concentrates from low-germanium coal dust
02/03/2010CN101638724A Process and apparatus thereof for refining copper scraps by using nitrogen gas stirring and oxygen-enriched oxygen gas
02/03/2010CN101638723A Method for recovering scarp of electrical erosion pure copper
02/03/2010CN100587086C Method for modifying non-ferrous metal copper slag/nickel slag by using combustible matter and preparing high-grade fuel
02/02/2010CA2526468C A process for recovering phosphorus
02/02/2010CA2219645C Process for reducing the electric steelworks dusts and facility for implementing it
01/2010
01/28/2010WO2009125341A3 Method and apparatus for the microbiological removal of mercury from contaminated materials
01/26/2010US7651545 Anhydrous agglomeration and passivation of pulverulent residue and/or fines from the production of chloromethylsilane silicon and methyl chloride using acopper catalyst in a fluidized bed; mixing witrh a binder (bentonite, aluminum silicate) to form solid by compression molding; materials handling
01/26/2010CA2422477C Recovery of metals by incineration of metal containing basic ion exchange resin
01/21/2010WO2009144382A3 Method of producing calcium carbonate from waste and byproducts
01/20/2010CN101629246A Zinc smelting process by neutralization and hydrolysis iron removal method
01/20/2010CN101629245A Zinc hydrometallurgical process of iron removal by neutralization hydrolysis
01/20/2010CN101629244A Method for regenerating metallic aluminum and zinc by using scrap aluminum-zinc-iron-silicon alloy
01/20/2010CN101629243A Infusion method of Ni-MH used battery anode and cathode mixed material
01/20/2010CN101629242A Comprehensive process technology of solid waste in alumina plant
01/20/2010CN101629241A Method for extracting noble metals from circuit boards by using lead, tin and alloys of lead and tin as capturing agents
01/20/2010CN100582261C Method and device for reclaiming platinum-silver-iodine form platinum-containing silver iodide slag
01/14/2010WO2010005023A1 Briquette manufacturing method, reductive metal manufacturing method, and zinc or lead separation method
01/14/2010CA2727581A1 Method for producing briquette, method for producing reduced metal, and method for separating zinc or lead
01/13/2010EP2143825A1 Method of recovering valuable metal from scrap containing conductive oxide
01/13/2010CN101624656A Method for recovering zinc and indium in zinc oxide lead slag
01/13/2010CN101624655A Method for removing impurities in waste copper
01/13/2010CN101624654A Method for recycling iron and aluminum by particle size grading pretreatment of Bayer process red mud
01/13/2010CN101624653A Method for leaching mixed cathode and anode materials from waste nickel-cadmium batteries
01/13/2010CN101624652A Method for leaching mixed cathode and anode materials from waste nickel-cadmium batteries
01/13/2010CN101624651A Method for leaching cathode materials from waste nickel-metal hydrogen batteries
01/13/2010CN100580106C Cold briquetting and pelletisation method
01/06/2010EP2140036A1 Method for the production of a low carbon concentrate rich in heavy metal, produced from carbon-rich heavy metal-containing residues, from crude oil refining in particular
01/06/2010CN201376993Y Chromium residue slurry curing device
01/06/2010CN101619399A Method for selectively leaching voluble metal in copper refinery cinder
01/06/2010CN101619398A Method for extracting arsenic from pyrite cinder
01/06/2010CN101619397A Method for recycling uranium from uranium extraction coal residue with wet method
01/06/2010CN101619396A Method for directly using aluminum and aluminum alloy ash for electrolytic production and recycling
01/06/2010CN101619395A Method for recovering metal copper foil from circuit waste chemical copper tank liquor
01/06/2010CN101619394A Method for leaching anode and cathode mixed material of waste lithium nickel manganese cobalt battery
01/06/2010CN100577401C Compression molding machine for metal material briquette, manufacturing apparatus for metal material briquette, and compression molding method for metal material briquette
01/05/2010US7641713 Charging a chromium(Cr)-containing liquid slag onto an iron bath; increasing the carboncontent and suppling energy; tapping the liquid slag having a Cr content of about 0.1% weight after reduction of the Cr; cooling and lowering the carbon content to <1%;leaving the remaining slag for the next melt
01/05/2010CA2410021C Method of producing a metallized briquette
12/2009
12/31/2009US20090320647 Pressure control in direct smelting process
12/30/2009WO2009156662A2 Method for processing and recycling zinc-rich iron metallurgy side products
12/30/2009WO2009136299A3 Chemical process for recovery of metals contained in industrial steelworks waste
12/30/2009CN101613805A Comprehensive recovery method of tungsten and molybdenum from slag of bismith smelting furnace and bismith reverberatory furnace
12/30/2009CN101613804A Method for recovering cadmium from waste nickel-cadmium battery
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