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