Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22B - Production or refining of metals; Pretreatment of raw materials › C22B 19 - Obtaining zinc or zinc oxide
Patents for C22B 19 - Obtaining zinc or zinc oxide (2,969)
12/2010
12/30/2010US20100326237 Composition of matter tailoring: system i
12/29/2010WO2010150873A1 Method for separating and recovering elements coexisting in scrap iron
12/29/2010CN201686732U Zinc vertical retorting furnace
12/29/2010CN101928827A Method for removing impurities and refining zinc from zinc ammine complex
12/23/2010US20100319490 Methods for Improving the Recovery of Metal Leaching Agents
12/22/2010CN201678715U Zinc smelting equipment for DC submerged arc furnace
12/22/2010CN201678713U Lower zinc oxide collection device for rotary kiln head
12/22/2010CN1842608B Iron oxide precipitation from acidic iron salt solutions
12/16/2010WO2010143623A1 Method for recovering water and metals from plating wastewater resulting from washing
12/15/2010CN101914690A Zinc concentrate smelting process
12/15/2010CN101914685A Method for preparing metal iron and zinc/zinc oxide from electric furnace dust
12/14/2010CA2401556C Method of sintering and sinter bed composition
12/08/2010CN101909770A Method of recycling useful metal
12/08/2010CN101451197B Vertical rotary type zinc rain condensator
12/08/2010CN101148707B Zinc rectification method and zinc rectification furnace
12/01/2010CN101899580A Zinc concentrate smelting equipment
12/01/2010CN101633983B Method for enhancing recovery rate of zinc fusion casting
11/2010
11/24/2010CN201648493U Zinc liquid residue separating and reclaiming device
11/24/2010CN201644247U Liquid-solid separating device
11/23/2010CA2459899C Zinc recovery process
11/17/2010EP1834001B1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
11/17/2010CN201637270U Rectifying furnace equipment for refining refined zinc from crude zinc
11/17/2010CN101886180A Method for preparing high-activity zinc oxide from electrolytic zinc leaching slag and lead smelting granulated slag
11/17/2010CN101886176A Method for reducing, chloridizing, oxidizing and recovering iron, tin, lead and zinc in waste magnetic separation dreg in rotary kiln without pelletizing
11/17/2010CN101886170A Production process for isolating fluorine and chlorine by acid extraction during electrolytic zinc production
11/10/2010EP2248930A1 Process for recovery of valuable metals from scrap izo
11/10/2010EP1664358B1 Method and apparatus for controlling metal separation
11/10/2010CN101880770A Application of extractant and method for extracting zinc from ammonia solution
11/10/2010CN101126164B Method for producing electrolytic zinc from zinc material with high-content of fluorin and silicon dioxide
11/04/2010US20100278686 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials
11/03/2010CN101876008A Method for reducing zinc content of leached residue in zinc hydrometallurgy process
10/2010
10/26/2010CA2394658C Process for the continuous production of high purity electrolytic zinc or zinc compounds from zinc primary or secondary raw materials
10/20/2010EP2241656A1 Method of recovering valuable metals from izo scrap
10/20/2010EP2241655A1 Method of recovering valuable metals from izo scrap
10/20/2010EP2241381A1 Method of recycling useful metal
10/19/2010US7815709 Alkaline electro-hydrometallurgical process for Zn extraction from electric arc furnace dust
10/19/2010US7815708 Process and apparatus for recovery of non-ferrous metals from zinc residues
10/13/2010CN101857923A Method for recovering copper, zinc and iron from sulphide ore calcine pickle liquor containing gold and silver
10/13/2010CN101429593B Dezincification process for zinc-containing mash gas mud
10/13/2010CN101157443B Method for preparing synchronously synthetic gas and metal zinc
09/2010
09/30/2010WO2010108212A1 Method for leaching zinc from a zinc ore
09/30/2010US20100242682 Method and system of dry processing of converter slag in copper smelting
09/30/2010CA2756433A1 Method for leaching zinc from a zinc ore
09/29/2010CN101845551A Process for recovering valuable metal from residues containing zinc
09/29/2010CN101845548A Ozone leaching method for zinc sulfide concentrates at normal pressure
09/22/2010CN201587971U Second-generation crude zinc smelting kiln
09/22/2010CN101839645A Equipment for recovering valuable metals from zinc-contained slag
09/22/2010CN101838745A Zinc hydrometallurgy process with high yield by precipitating alum and removing iron
09/22/2010CN101838744A Lead-zinc integrated smelting furnace and method thereof for recovering lead and zinc
09/22/2010CN101838736A Wet separation method for valuable metals in purified liquid cobalt slags of wet zinc smelting system
09/21/2010US7799294 Clarifying a first aqueous leach pulp by solid-liquid separation and solvent extraction to obtain a raffinate and a second aqueous leach pulp; diluted separation and extraction of the second pulp; pollution control
09/16/2010WO2010016020A3 Method and plant for the production of zinc dust
09/15/2010CN101831545A Alkali leaching method of zinc oxide mine
09/10/2010WO2010082065A3 Metal recovery from metallurgical waste by chloridising
09/09/2010US20100226837 Production of metal products directly from underground ore deposits
09/08/2010CN101824549A Method for improving purity of zinc ingot by filtering waste electrolyte
09/08/2010CN101824548A New technology for processing zinc by utilizing upright rotation-type condenser vast electric furnace and device
09/08/2010CN101824547A Method for vacuum liquating, crystallizing, separating and recycling lead and zinc in metal of waste circuit board
09/08/2010CN101824541A Treatment method of wet method zinc smelting by-products
09/08/2010CN101525695B Method for recycling zinc fume in enrichment smelting technology of manganese
09/07/2010US7790099 Process and apparatus for extracting zinc
09/01/2010CN201569279U Multi-stage liquating furnace
09/01/2010CN101818264A Method for treating zinc-iron-containing dust and sludge
09/01/2010CN101818263A Method for reclaiming zinc-iron-containing dust and sludge
09/01/2010CN101818262A Method for removing chlorine from solution of zinc sulfate
09/01/2010CN101818252A Non-volatile method for extracting zinc, iron and indium from solution of zinc, iron and indium
09/01/2010CN101818248A Method for deeply purifying zinc-ammonia leaching solution
09/01/2010CN101597695B Method for smelting zinc by electric heating rotary kiln
09/01/2010CN101570832B Process for recovering valuable metals in bismuth-containing material by selective chloride volatilizing method
09/01/2010CN101407863B Fluidizing reactor with coal gas burner in the fore chamber
08/2010
08/31/2010CA2439901C Arrangement and method for reducing build-up on a roasting furnace grate
08/25/2010CN101812598A Method for simultaneously smelting zinc dipping slag and zinc kiln slag by using blast furnace
08/25/2010CN101812594A Method for simultaneously smelting hydrolysis slag, pyrite and zinc kiln slag by using blast furnace
08/19/2010US20100206135 Recycling of solids in oxidative pressure leaching of metals using halide ions
08/18/2010CN101608266B Cleaning and dust collecting method of volatilized zinc oxide and device thereof
08/17/2010CA2427389C Method for the stabilization of a fluidized bed in a roasting furnace
08/12/2010DE19640869B4 Verfahren zur Gewinnung von Wertmetallen, insbesondere Zink, aus Chlor oder Fluor enthaltenden Rohstoffen A method for recovering valuable metals, in particular zinc, from raw materials containing chlorine or fluorine
08/11/2010EP2216419A2 The technology of refining metallic wastes containing zinc in a rotary furnace
08/11/2010CN101798639A Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate
08/11/2010CN101451196B Wet-smelting method of copper and zinc bulk concentrate
08/11/2010CN101413059B Process for comprehensively and efficiently recycling zinc and indium in indium raffinate
08/05/2010WO2010086407A1 Method for treating alkaline and saline batteries in order to recover zinc and manganese
08/04/2010CN101796204A Method for upgrading copper concentrate
08/04/2010CN101792861A Method for recovering metal through purified flue gas of scrap alkaline zinc-manganese battery
07/2010
07/28/2010CN101555549B Smelting process for rich manganese and equipment thereof
07/22/2010WO2010082065A2 Metal recovery process
07/22/2010CA2749907A1 Metal recovery process
07/21/2010CN101323905B Fire metallurgy process of copper lead zinc mixing ore concentrate
07/14/2010CN201527170U Zinc volatilization rotary kiln with energy-saving performance and long service life
07/14/2010CN101775503A Method for directly recovering coke from kiln slag of rotary kiln and device
07/14/2010CN101775502A Process for extracting copper from zinc hydrometallurgy flow
07/14/2010CN101775497A Method for recovering metal by using waste common zinc-manganese battery purified fume
07/14/2010CN101033506B Method of directly leaching zinc ore concentrate or low grade mixing zinc ore under normal pressure and alkaline condition
07/06/2010US7749302 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
07/01/2010WO2010074180A1 Polycrystalline silicon manufacturing method and reaction furnace used therefor
07/01/2010WO2010072773A1 Hydrometallurgical method for the reuse of secondary zinc oxides rich in fluoride and chloride
07/01/2010WO2010071932A1 Method for extracting zinc from aqueous ammoniacal solutions
07/01/2010US20100166626 System and method for wastewater treatment
07/01/2010CA2745358A1 Method for extracting zinc from aqueous ammoniacal solutions
07/01/2010CA2744941A1 Hydrometallurgical method for the reuse of secondary zinc oxides rich in fluoride and chloride
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