| Patents for C22B 19 - Obtaining zinc or zinc oxide (2,969) |
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| 03/05/2015 | WO2015030235A1 Zinc production method using electric furnace dust as raw material |
| 02/25/2015 | EP2839044A1 Pyrometallurgical treatment of slags |
| 02/24/2015 | US8961911 Selective leach recovery of zinc from a composite sulphide ore deposit, tailings, crushed ore or mine sludge |
| 02/12/2015 | US20150040728 Method and Apparatus For High Temperature Production of Metals |
| 02/11/2015 | CN104341080A 一种去除污泥中的Zn并得以回收的方法 Zn and a sludge removal method is recovered |
| 02/05/2015 | WO2015016086A1 Method for recovering zinc from electric-furnace steelmaking dust and device for recovering zinc from electric-furnace steelmaking dust |
| 02/04/2015 | CN104324928A 一种水蒸汽-氧气强化微波处理湿法炼锌CuCl渣提质脱氯方法 A water vapor - oxygen strengthen microwave treatment hydrometallurgy CuCl residue upgrading dechlorination method |
| 02/03/2015 | US8945490 Methods of metal extraction using oximes |
| 02/03/2015 | US8945489 Metal recovery process |
| 02/03/2015 | CA2560594C Recovery of metals from oxidised metalliferous materials |
| 01/28/2015 | CN204125514U 锌灰回收装置 Zinc ash recovery |
| 01/28/2015 | CN204125509U 风煤混吹烟化炉 Wind blowing smoke mixed coal furnace |
| 01/27/2015 | CA2531772C Method and apparatus for controlling metal separation |
| 01/21/2015 | CN204111845U 用于飞溅式冷凝器的液面控制装置 Liquid splash condenser for control device |
| 01/21/2015 | CN204111844U 用于飞溅式冷凝器中的扬锌装置 Splash condenser for Jan zinc device |
| 01/21/2015 | CN104294060A 一种maca体系处理高碱性脉石型低品位氧化锌矿制取电锌的工艺 One kind of maca system to handle high alkaline gangue type of low-grade zinc oxide, zinc prepared to take power technology |
| 01/21/2015 | CN104294046A 一种综合回收脆硫铅锑矿精矿中有价金属的新工艺 A comprehensive recovery Jamesonite ore concentrate in the new technology of valuable metals |
| 01/21/2015 | CN104294043A 一种浸出高钙镁氧化锌矿石的方法 A high calcium and magnesium zinc oxide ore leaching method |
| 01/21/2015 | CN104294041A 一种低品位氧化锌矿制备活性氧化锌的工艺 One kind of low-grade zinc oxide, zinc oxide process for preparing active |
| 01/21/2015 | CN104294032A 氧化锡矿重选尾矿的综合回收方法 Tin oxide tailings re-election of a comprehensive recovery methods |
| 01/21/2015 | CN103320609B 沉矾矿浆不经过滤直接冲矿工艺 Shen alum pulp directly, without filtering mine craft punch |
| 01/15/2015 | CA2821023A1 Recovery of metals from complex minerals |
| 01/14/2015 | CN104278162A 一种含锑铅复杂物料选择性熔池熔炼方法 An antimony lead bath smelting complex-containing material selectivity |
| 01/14/2015 | CN104278159A 一种火法-湿法联合处理铅铋银硫化矿回收金属的方法 A Fire - Wet joint processing of lead bismuth metal recovery of silver sulfide ore |
| 01/14/2015 | CN104278157A 一种银锌渣湿法提取有价金属的方法 A silver dross wet method to extract valuable metals |
| 01/14/2015 | CN104278153A 一种碱性谷氨酸钠体系处理低品位氧化锌矿的工艺 An alkaline sodium glutamate system processing low-grade zinc oxide process |
| 01/14/2015 | CN104278150A 一种高硅低品位氧化锌矿直接提锌工艺 A high-low-grade silicon direct mention of zinc oxide zinc process |
| 01/14/2015 | CN104278149A 一种铜铅锌共生混合精矿的湿法冶金工艺 A copper lead and zinc concentrates symbiotic mix of hydrometallurgical processes |
| 01/14/2015 | CN104278125A 一种含铁渣料熔池熔炼熔体还原制铁的方法 One iron bath smelting slag melt iron reduction method |
| 01/14/2015 | CN103627911B 一种高铁氧化锌的处理工艺 Process of a high iron and zinc oxide |
| 01/07/2015 | CN104263954A 一种铅冶炼底吹炉烟尘综合利用的方法 Bottom blowing a lead smelting furnace utilization method of soot |
| 01/07/2015 | CN104263953A 具有集排铅功能的烟化炉 Lead has a set of functions fuming furnace |
| 01/07/2015 | CN104263935A 一种提高高镉锌真空蒸馏分离效率的方法 Method for improving high cadmium zinc separation efficiency vacuum distillation method |
| 01/07/2015 | CN104263920A 硫化锌精矿原料处理方法及装置 Zinc sulfide concentrate raw material processing method and apparatus |
| 12/31/2014 | CN103602806B 一种高铟高铁锌精矿的冶炼方法 A high-indium-high iron and zinc concentrate smelting method |
| 12/24/2014 | CN204039472U 氧化锌收集装置 Zinc oxide collection device |
| 12/24/2014 | CN204039471U 空气脉动式氧化锌收集装置 Zinc oxide pulsating air collection device |
| 12/24/2014 | CN104233373A 一种低锌高铁焙烧矿湿法炼锌工艺 A low zinc hydrometallurgy high iron ore roasting process |
| 12/24/2014 | CN104232974A 一种锌熔系统及其锌熔炉 A zinc and zinc melting furnace system |
| 12/24/2014 | CN104232944A 一种氨浸渣综合回收铟及联产氧化锌工艺 One of ammonia leaching residue comprehensive recovery of indium and zinc oxide cogeneration process |
| 12/24/2014 | CN104232931A 锌浸出渣挥发窑用富氧喷嘴 Zinc leaching residue volatilization kiln enriched nozzle |
| 12/24/2014 | CN104232930A 空气脉动式氧化锌收集装置 Zinc oxide pulsating air collection device |
| 12/24/2014 | CN104232905A 一种含有高价值元素氢氧化铁基原料及其用途 High-value elements containing ferric hydroxide-based materials and their uses |
| 12/24/2014 | CN104232899A 一种从重金属污染建筑废物中分离富集锌、铅的方法 A method of separation and enrichment of heavy metal pollution from construction waste zinc, and lead |
| 12/24/2014 | CN104229745A 一种处理含单质硫矿渣的超声萃取方法及工艺 An ultrasonic extraction processing method and process slag containing elemental sulfur |
| 12/24/2014 | CN103540765B 一种锌冶炼的工艺 A zinc smelting process |
| 12/24/2014 | CN103526044B 有利于浮选银的湿法炼锌工艺及所用的沉银混合物 Conducive flotation silver hydrometallurgy process and immersion silver mixture used |
| 12/24/2014 | CN103014355B 铜冶炼烟灰多金属综合回收工艺 Integrated multi-metal smelting copper ash recovery process |
| 12/17/2014 | CN104212980A 氧化锌收集装置 Zinc oxide collection device |
| 12/17/2014 | CN102719668B 全湿法处理锌浸出渣分步提取锌、铅、银的工艺 Hydrometallurgical processing of zinc leaching residue extraction step zinc, lead, silver craft |
| 12/10/2014 | CN203999763U 回转炉生产氧化锌装置 Rotary kiln production of zinc oxide device |
| 12/10/2014 | CN104195345A 一种从锌精矿或铅锌混合矿富氧直接浸出渣中回收硫磺和铅、锌、银的工艺 Or a mixture of lead and zinc from zinc concentrates enriched ore direct leaching slag and sulfur recovery processes lead, zinc, silver |
| 12/10/2014 | CN104195344A 一种锌精矿或铅锌混合矿富氧直接浸出渣超声波强化回收硫磺和铅、锌、银的方法 A zinc-lead-zinc mixed concentrate or ore leaching residue enriched Ultrasonic direct recovery of sulfur and lead, zinc, silver methods |
| 12/10/2014 | CN104195343A 烧结机头除尘灰提取铅锌铜的方法 The method of extraction of lead and zinc dust firing head copper |
| 12/10/2014 | CN104195338A 一种从脱金含氰贫液中回收铜锌的方法 Process for the recovery of copper and zinc off the gold from cyanide-depleted liquid |
| 12/10/2014 | CN103695664B 一种新型湿法炼锌溶液净化工艺 A new solution purification process hydrometallurgy |
| 12/10/2014 | CN103695662B 一种湿法炼锌窑渣铁精矿的综合利用方法 Hydrometallurgy kiln utilization method of slag and iron ore |
| 12/10/2014 | CN103627912B 一种制备硫酸锌溶液脱氯剂的方法 A method of zinc sulfate solution prepared antichlor |
| 12/10/2014 | CN103409645B 一种生产高纯度锌的方法 A method for producing high-purity zinc Methods |
| 12/10/2014 | CN103266228B 一种含锌烟道渣块的回收利用方法 A method of recycling a flue clinker zinc |
| 12/10/2014 | CN103173625B 一种氧化锌烟尘高效浸出铟的方法 An indium zinc oxide fumes and efficient method of leaching |
| 12/10/2014 | CN103014350B 一种次氧化锌的回收利用方法 A second recycling method of the zinc oxide |
| 12/10/2014 | CN102808083B 锌液净化中的除镉工艺及锌液净化方法 In addition to purification of liquid zinc cadmium zinc liquid purification process and method |
| 12/02/2014 | US8900535 Production of zinc sulphate concentrates from a dilute zinc sulphate solution |
| 10/30/2014 | US20140322108 Treatment of sulphidic materials |
| 10/28/2014 | US8871001 Method for leaching zinc from a zinc ore |
| 09/30/2014 | US8845780 Electric arc furnace dust recycling apparatus and method |
| 09/17/2014 | EP2776595A1 Method for leaching a sulphidic metal concentrate |
| 09/16/2014 | CA2579394C Method for increasing metal production in smelter operations |
| 08/27/2014 | EP2768991A1 Energy efficient salt-free recovery of metal from dross |
| 08/21/2014 | WO2014124494A1 Catalytic zinc oxide |
| 08/13/2014 | CN203768432U 新型韦氏炉 The new furnace Webster |
| 08/13/2014 | CN103981376A 一种梳齿搅动式新型捣渣机 One kind of new type of comb-pound slag agitation |
| 08/13/2014 | CN103981369A 含砷烟灰多金属综合回收工艺 Integrated multi-metal ash containing arsenic recovery process |
| 08/06/2014 | CN203754783U 处理锌焙烧矿的系统 Zinc ore roasting system |
| 08/06/2014 | CN203751336U 蒸馏法生产纳米级高纯锌粉装置 Distillation of high purity zinc production nanoscale devices |
| 08/06/2014 | CN103966448A 一种铁矾渣综合回收锌的方法 An iron alum recovery of zinc slag comprehensive approach |
| 08/06/2014 | CN103409646B 一种利用铸铁除尘灰制造高等级氧化锌的方法 An advantage of high-grade iron dust manufacturing method of zinc oxide |
| 08/06/2014 | CN102719675B 一种从锌冶炼废渣中综合回收锌铅银的方法 An integrated recovery of zinc from zinc-lead-silver smelting slag method |
| 07/31/2014 | WO2013166789A8 Cadmium removing process in zinc-containing solution purification and purification method of zinc-containing solution |
| 07/30/2014 | CN203744731U 一种冶炼氧化锌用给料机 A smelting zinc oxide with feeder |
| 07/30/2014 | CN203741393U 一种成品氧化锌冷却装置 A refined zinc oxide cooling device |
| 07/30/2014 | CN203741391U 一种锌液净化压滤板 A zinc liquid purification filter press plates |
| 07/30/2014 | CN103952572A 一种加压浸出优化湿法炼锌热酸浸出工艺的方法 A pressurized hot acid leaching optimization hydrometallurgy leaching method |
| 07/30/2014 | CN103952562A 一种铁矾渣综合利用方法 Jarosite slag utilization method |
| 07/30/2014 | CN103952553A 一种从湿法炼锌溶液脱除氯离子的方法 Removed from a solution of chloride hydrometallurgy methods |
| 07/30/2014 | CN103952547A 一种锌加压浸出一段渣的处理方法 A zinc pressure leach treatment period of slag |
| 07/30/2014 | CN103952546A 一种用于硫化锌精矿加压氧浸的蒸汽加热装置及方法 An oxygen pressure leaching of sulfide concentrates steam heating apparatus and method for |
| 07/30/2014 | CN102703701B 搅拌氨浸与渗滤池氨浸联用处理氧化铜或氧化锌矿石的方法 Stirring combined with ammonia leaching and leaching of copper oxide or zinc oxide treatment method ore ammonia percolation pond |
| 07/24/2014 | US20140205519 Process for recovering zinc and/or zinc oxide ii |
| 07/23/2014 | CN203728906U 烟化炉 Fuming furnace |
| 07/23/2014 | CN203728905U 一种用于反应器除铁的氧气加入系统 A reactor iron for oxygen added to the system |
| 07/23/2014 | CN103937996A 一种从锌浮渣中回收锌的机械装置 A process for recovering zinc from zinc dross mechanical device |
| 07/23/2014 | CN103937985A 连续式烟化炉及采用它的连续烟化工艺 Continuous fuming furnace and the use of its continuous fuming process |
| 07/23/2014 | CN103937975A 从湿法炼锌浮选银精矿中直接提取银的方法 The method of extracting silver from silver flotation concentrate in hydrometallurgy |
| 07/23/2014 | CN103184349B 高纯锌的制备设备及方法 Preparation of high purity zinc apparatus and method |
| 07/16/2014 | EP2753721A1 Process for purifying zinc oxide |
| 07/16/2014 | CN103924091A 一种含氟、氯次氧化锌脱氟氯并富集有价金属的冶炼方法 A fluorine, chlorine, zinc oxide removal CFC times and enriched with valuable metal smelting method |
| 07/16/2014 | CN103924085A 利用铜冶炼废酸从重金属污泥中回收铜锌镍的方法 Use of copper smelting process for recovering copper and zinc waste acid from heavy metals in sludge nickel |
| 07/16/2014 | CN103924083A 一种锌浸出液还原三价铁的方法 A zinc leaching solution of ferric iron reduction method |