Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
05/2013
05/15/2013CN202936466U Stirring device for extraction box
05/15/2013CN103108691A Device and method for dispersing two solutions in each other in solvent extraction
05/15/2013CN103103354A Production method for circularly recovering ultrafine nickel powder from shadow mask of discarded CRT (Cathode Ray Tube) screen
05/15/2013CN103103351A Method for preparing high-purity calcium carbonate for saponifying rare earth extraction agent
05/15/2013CN103103350A Method for decomposing rare earth ore concentrate at low temperature through alkaline process
05/15/2013CN103103349A Method for decomposing bayan obo rare earth ore concentrate by acid and alkali combination at low temperature
05/15/2013CN103103348A Application of halogenoid compound
05/15/2013CN103103345A Extraction process of low-grade, complicated and difficultly separated metal sulfide ore
05/15/2013CN103103339A Method for selectively recovering alum and gallium from alunite concentrate
05/15/2013CN102586584B Method for selectively separating valuable metals from complex lead-containing precious metal material
05/15/2013CN102212689B Method for removing chromium and recycling nickel by oxidizing nickel/chromium-containing aqueous solution
05/15/2013CN102191388B Process for extracting vanadium from stone coal through two-section curing with concentrated acid
05/14/2013US8440152 Process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues
05/10/2013WO2013065773A1 Ore slurry production method and metal refining method
05/10/2013WO2013065050A1 Processes for metal ions removal of from aqueous solutions
05/10/2013CA2854269A1 Processes for metal ions removal of from aqueous solutions
05/10/2013CA2847149A1 Ore slurry production method and metal refining method
05/09/2013US20130112043 Method for separating nickel and cobalt from active material contained in spent nickel-metal hydride battery
05/08/2013CN103097558A A method for treating liquid effluents and recovering metals
05/08/2013CN103097302A Method of treating copper etching waste liquor
05/08/2013CN103088222A Process for treating refractory gold ores
05/08/2013CN103088221A Gold filter element recovery technique
05/08/2013CN103088214A Technology for extracting lead from lead slag by using whole wet method
05/08/2013CN103088210A Method for selectively leaching nickel and molybdenum from nickel-molybdenum ore
05/08/2013CN103088206A Chemical metallurgy method for extracting beryllium oxide from chrysoberyl
05/08/2013CN103088205A Beryllium oxide production process
05/08/2013CN103088204A Method for extracting lead and molybdenum from lead and molybdenum associated mineral
05/08/2013CN103087101A Phosphine oxide-modified pillar (5) arene derivative and application thereof
05/08/2013CN102586604B Technology for wet-processing anode mud containing arsenic and lead
05/08/2013CN102586600B Process for recycling valuable metal from lead copper matte
05/08/2013CN102586595B Acid leaching method of vanadium-containing shale
05/08/2013CN102409171B New process for treating vulcanized gold-containing ore
05/08/2013CN102337403B Online saponification system and process of extractant for Co-Ni separation
05/08/2013CN102021345B Method for recycling vanadium pentoxide and sodium dichromate
05/08/2013CN102021339B Method for eliminating cobalt redissolution in haydrometallurgy of zinc
05/07/2013US8435324 Chemical agents for leaching polycrystalline diamond elements
05/02/2013WO2013061848A1 Method for producing high-purity cobalt sulfate aqueous solution
05/02/2013US20130108525 Method for separation of chemically pure os from metal mixtures
05/02/2013US20130106001 Heap leaching aeration system
05/02/2013US20130104701 Method for recovering gold by solvent extraction
05/02/2013US20130104700 Enhanced staged elution of loaded resin
05/02/2013CA2853224A1 Method for producing high-purity cobalt sulfate aqueous solution
05/01/2013CN103074505A Process for continuously extracting and separating rare earth
05/01/2013CN103074503A Wastewater zero discharging system and method for vanadium extraction from stone coal
05/01/2013CN103074502A Salt lake brine treatment method for separating lithium from high-magnesium-lithium-ratio salt lake brine
05/01/2013CN103074501A Gold net recovery process
05/01/2013CN103074499A Method for producing high-quality copper sulfate through low-pressure oxygen leaching of copper slag
05/01/2013CN103074498A Method for acid-leaching gallium from coal ash through microwave heating
05/01/2013CN103074494A Method of recovering molybdenum and cobalt from waste cobalt-molybdenum catalyst
05/01/2013CN103074493A Application of brucite to recovery of nickel cobalt
05/01/2013CN103074492A Method for separating and purifying gold from noble metal solution
05/01/2013CN103074491A Method for extracting and separating copper, chromium and nickel from acid leaching solution
05/01/2013CN103074490A Purification method in electrolytic metal manganese production process by multi-mine method
05/01/2013CN103074489A Processing method of refractory gold ore
05/01/2013CN103074488A Oxidation leaching method and system
05/01/2013CN103073582A Synthesis method of monoalkyl hydrocarbyl phosphonate
05/01/2013CN103073066A Innocent treatment and resource utilization method for red mud
05/01/2013CN102676805B Low grade zinc concentrate associated lead and silver recovery process
05/01/2013CN102517463B Organic recovery method in extraction and separation line
05/01/2013CN102453807B Technology for processing black copper slag and producing electrodeposited copper through cyclone electrolysis technology
05/01/2013CN102417981B Method for extracting and separating platinum, palladium and rhodium by using ionic liquid-based three-liquid phase system
05/01/2013CN102286664B Method for extracting copper from organic silicon chemical waste residue and recovering extraction liquid
05/01/2013CN102234721B Treatment method of nickel-cobalt material
05/01/2013CN102174672B Beneficiation method for high armangite
04/2013
04/30/2013US8430946 Process for recovery of nickel and cobalt from laterite ores using ion exchange resin
04/25/2013WO2013057557A1 Bioleaching bioreactor with a system for injection and diffusion of air
04/25/2013WO2013057317A1 Method for recycling waste water from a stainless steel slag treatment process
04/25/2013WO2013056543A1 Complete cycle preparation method for producing lithium iron phosphate by using lithium ore as lithium source
04/25/2013CA2852805A1 Method for recycling waste water from a stainless steel slag treatment process
04/25/2013CA2851147A1 Bioleaching bioreactor with a system for injection and diffusion of air
04/24/2013EP2584055A1 Method for removal of copper ions from copper-containing nickel chloride solution, and process for production of electrolytic nickel
04/24/2013CN202898488U Reinforced glass reinforced plastic extraction clarification tank
04/24/2013CN202898487U Pure glass fiber reinforced plastic extraction settling pond
04/24/2013CN202898486U Rotary bioreactor
04/24/2013CN202892971U Same-level water-phase internal circulation device for box type extraction groove
04/24/2013CN103069022A Method for economical extraction of lithium from solution including lithium
04/24/2013CN103068793A Method for synthesizing rare earth metal extractant
04/24/2013CN103068792A Method for synthesizing rare earth metal extractant
04/24/2013CN103060577A Environmentally-friendly gold beneficiation agent and production method thereof
04/24/2013CN103060573A Comprehensive recovery technology of valuable components in corundum smelting smoke ash containing gallium and potassium
04/24/2013CN103060567A Method for processing waste lithium ion battery positive plate to extract valuable metal
04/24/2013CN103060563A Technology of deep purification and impurity removal of ammonium tungstate or ammonium molybdate solution
04/24/2013CN103060562A Purification method of inorganic highly-acidic nickel salt solution
04/24/2013CN103060561A Method for removing chlorine from chlorine-containing zinc sulfate solution
04/24/2013CN103060560A Extracting agent for separating heavy rare earth element
04/24/2013CN103060559A Microfluid extraction method for extracting and separating In, Fe and Zn
04/24/2013CN103060558A Rare earth extracting system
04/24/2013CN103060557A Method for extracting rare earth element
04/24/2013CN103060556A A method for reverse extraction of uranyl ions from ionic liquid system by using a supercritical CO2 reverse extraction technique
04/24/2013CN103060555A Purification cadmium removal method of nickel cobalt solution containing cadmium
04/24/2013CN103060554A Vertical cell immobilized reactor for producing ferric irons by biological oxidation
04/24/2013CN103060553A Method for purifying zinc from zinc concentrate
04/24/2013CN103060552A Method for extracting valuable metals from neutral leaching residue of zinc oxide
04/24/2013CN103060551A Method for leaching vanadium
04/24/2013CN103060550A Synchronized production method of reducing leaching and oxidizing deironing of cobalt-copper ore
04/24/2013CN103060549A Improved method for processing high-iron and high-magnesium laterite and obtaining hematite product
04/24/2013CN102417984B Method for purifying zinc sulfate solution
04/24/2013CN102382989B Method for dearsenization through hot leaching of arsenic alkali residue water
04/24/2013CN102140588B Method for preparing tara tannin germanium extracting agent
04/24/2013CN102102150B Method for separating tin from waste tinplate and preparing tin dioxide
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