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公开(公告)号：US5824283A
公开(公告)日：1998-10-20
申请号：US847715
申请日：1997-04-28
CPC分类号： C01G53/04 , C01P2002/60 , C01P2002/70
摘要： This process produces nickel hydroxide from elemental nickel. Introducing elemental nickel into at least a 4N aqueous ammonia solution forms a mixture. Activating the nickel powder of this mixture allows the nickel to react with oxygen in the solution. This results in the dissolving of the nickel, producing a loaded solution containing nickel and hydroxyl ions. The redox potential of the solution remains negative during the dissolution of nickel. Distilling the loaded solution to vaporize the aqueous ammonia solution results in the precipitating of nickel hydroxide.
摘要翻译： 该方法从元素镍产生氢氧化镍。 将元素镍引入至少4N氨水溶液中形成混合物。 激活该混合物的镍粉使镍与溶液中的氧反应。 这导致镍的溶解，产生含有镍和羟基离子的负载溶液。 在溶解镍期间溶液的氧化还原电位保持不变。 蒸馏装载的溶液以蒸发氨水溶液导致氢氧化镍的沉淀。
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公开(公告)号：US06576205B2
公开(公告)日：2003-06-10
申请号：US09945869
申请日：2001-09-04
IPC分类号： C01G5300
摘要： A process for decreasing the crystallinity of nickel hydroxide by generating and supplying large numbers of heteronuclei into the nickel hydroxide producing reaction system. Nickel sulfate and sodium hydroxide are initially forcefully and intimately combined to form a supersaturated solution of heteronuclei. These heteronuclei are introduced into a nickel powder containing slurry wherein nickel hydroxide having a crystallinity FWHM value of greater than about 0.5° is generated.
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公开(公告)号：US6015538A
公开(公告)日：2000-01-18
申请号：US98407
申请日：1998-06-16
CPC分类号： H01M4/52 , C01G53/04 , H01M4/32 , C01P2004/03 , C01P2004/84 , C01P2006/40
摘要： The process precipitates additives onto nickel hydroxide seeds in an ammonia solution. Then introducing at least one metallic additive into the aqueous solution creates a slurry having a reducing potential. The additive is selected from the group consisting of aluminum, cadmium, cobalt, indium, iron, manganese and zinc. Introducing oxygen into the additive-containing slurry at a controlled rate maintains the reducing potential of the solution. At least one of the additives dissolves into the aqueous solution in excess of the slurry's solution solubility to precipitate the additive in the form of a hydroxide on the nickel hydroxide seeds.
摘要翻译： 该方法在氨溶液中将添加剂沉淀在氢氧化镍晶种上。 然后将至少一种金属添加剂引入水溶液中产生具有还原电位的浆料。 添加剂选自铝，镉，钴，铟，铁，锰和锌。 以受控的速率将氧气引入含添加剂的浆料中维持溶液的还原电位。 至少一种添加剂溶解在水溶液中超过浆料的溶液溶解度，以将氢氧化物形式的添加剂沉淀在氢氧化镍晶种上。
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公开(公告)号：US4119539A
公开(公告)日：1978-10-10
申请号：US806753
申请日：1977-06-15
IPC分类号： B01D11/04 , B01D17/00 , B01D17/025 , B01D17/035 , B01D21/00 , B01D21/02 , B01J19/00 , B01D21/14
CPC分类号： B01D17/00 , B01D21/0018 , B01D21/10 , Y10S423/14
摘要： A three phase mixture, of organic liquid, aqueous liquid and solid phases, is separated in a settler vessel equipped with means for imparting local agitation in the region of the aqueous/organic interface.
摘要翻译： 将有机液体，含水液体和固相的三相混合物在装有用于在水/有机界面的区域中进行局部搅拌的装置的沉降器容器中分离。
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公开(公告)号：US4274930A
公开(公告)日：1981-06-23
申请号：US172751
申请日：1980-07-28
IPC分类号： C25C1/08
CPC分类号： C25C1/08 , C22B23/0461
摘要： A cobaltic oxide hydrate is mixed with spent sulfate electrolyte and the slurry is sparged with air to liberate any entrained chloride ions as gaseous chlorine. Thereafter a reducing agent is used to enable dissolution of the cobalt and obtaining of a chloride-free solution from which, after purification, cobalt can be electrowon.
摘要翻译： 将氧化钴水合物与废硫酸盐电解质混合，并用空气喷射浆料以释放作为气态氯的任何夹带的氯离子。 此后，还原剂用于使钴溶解并获得无氯化物溶液，在其中纯化之后，钴可以被电解。
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公开(公告)号：US4148631A
公开(公告)日：1979-04-10
申请号：US928401
申请日：1978-07-27
申请人： Juraj Babjak , Victor A. Ettel , Kenneth R. Dymock
发明人： Juraj Babjak , Victor A. Ettel , Kenneth R. Dymock
CPC分类号： C22B3/0024 , C01G51/003 , C01G53/003 , C22B3/0012 , C22B3/0031 , C22B3/42 , Y02P10/234
摘要： A process for separating nickel and cobalt present in a sulfate solution includes using a cationic extractant to extract both metals, treating the loaded cationic extractant with an aqueous chloride or thiocyanate solution to back-extract the cobalt and thereafter recovering the cobalt from the back-extraction aqueous solution by solvent extraction or ion exchange with an anionic extractant.
摘要翻译： 用于分离存在于硫酸盐溶液中的镍和钴的方法包括使用阳离子萃取剂萃取两种金属，用氯化亚锡或硫氰酸盐溶液处理负载的阳离子萃取剂以反萃取钴，然后从反萃取中回收钴 水溶液通过溶剂萃取或与阴离子萃取剂进行离子交换。
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公开(公告)号：US3976742A
公开(公告)日：1976-08-24
申请号：US556130
申请日：1975-03-06
CPC分类号： C22B3/0029 , Y02P10/234
摘要： An improvement in the process of extracting metal from aqueous acidic solution using a quaternary ammonium thiocyanate extractant wherein a special amount of thiocyanate ion is introduced into the aqueous solution prior to or contemporaneously with the extraction. Results achieved are better extractions with little or no additional loss of thiocyanate ion in the aqueous raffinate.
摘要翻译： 使用硫氰酸季铵提取剂从酸性水溶液中提取金属的方法的改进，其中在提取之前或同时提取特定量的硫氰酸根离子到水溶液中。 获得的结果是更好的提取，在残液中提供硫氰酸根离子几乎没有或没有额外的损失。
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公开(公告)号：US20050120828A1
公开(公告)日：2005-06-09
申请号：US10729911
申请日：2003-12-09
申请人： Juraj Babjak , Miyuki Imai , Tomoaki Kikkawa
发明人： Juraj Babjak , Miyuki Imai , Tomoaki Kikkawa
IPC分类号： C22B47/00
CPC分类号： C22B23/0461 , C22B23/043 , C22B47/00
摘要： The present invention provides a method for the removal of substantially all the amount of Mn contained in cobalt containing solution thereby to obtain purified cobalt solution with Mn content of 10 ppm or less and specifically a method for removing Mn from cobalt sulfate solution comprising the steps of adjusting pH of the solution within the range of 3-6 and then adding the NaOCl to the solution to obtain an oxidation-reduction potential in the range of 1100 to 1300 mV, with respect to standard hydrogen electrode (SHE); and removing Mn precipitate from thus treated solution.
摘要翻译： 本发明提供了一种除去含钴溶液中所含的基本上所有量的Mn的方法，从而得到Mn含量为10ppm以下的纯化钴溶液，具体地说是从硫酸钴溶液中除去Mn的方法，包括以下步骤： 将溶液的pH调节到3-6范围内，然后将NaOCl加入到溶液中，以获得相对于标准氢电极（SHE）在1100至1300mV范围内的氧化还原电位; 并从这样处理的溶液中除去Mn沉淀物。
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公开(公告)号：US4401630A
公开(公告)日：1983-08-30
申请号：US298208
申请日：1981-08-31
申请人： Victor A. Ettell , Juraj Babjak
发明人： Victor A. Ettell , Juraj Babjak
CPC分类号： C22B23/0415 , C22B23/0492
摘要： The metal content of nickel-cobalt mixed sulfide slurries is recovered by atmospheric oxidation leaching, thereafter removing dissolved copper by metathesis with further mixed sulfide feed, treating the filtrate after liquid-solids separation with ammonia to selectively precipitate cobalt, separating the cobalt precipitate and working up the resulting filtrate to recover nickel.
摘要翻译： 通过大气氧化浸出回收镍钴混合硫化物浆料的金属含量，然后通过复分解进一步混合硫化物进料除去溶解的铜，在用氨固液分离后处理滤液以选择性沉淀钴，分离钴沉淀物和加工 使所得滤液回收镍。
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公开(公告)号：US07052528B2
公开(公告)日：2006-05-30
申请号：US10729911
申请日：2003-12-09
申请人： Juraj Babjak , Miyuki Imai , Tomoaki Kikkawa
发明人： Juraj Babjak , Miyuki Imai , Tomoaki Kikkawa
IPC分类号： C22B47/00
CPC分类号： C22B23/0461 , C22B23/043 , C22B47/00
摘要： The present invention provides a method for the removal of substantially all the amount of Mn contained in cobalt containing solution thereby to obtain purified cobalt solution with Mn content of 10 ppm or less and specifically a method for removing Mn from cobalt sulfate solution comprising the steps of adjusting pH of the solution within the range of 3–6 and then adding the NaOCl to the solution to obtain an oxidation-reduction potential in the range of 1100 to 1300 mV, with respect to standard hydrogen electrode (SHE); and removing Mn precipitate from thus treated solution.
摘要翻译： 本发明提供了一种除去含钴溶液中所含的基本上所有量的Mn的方法，从而得到Mn含量为10ppm以下的纯化钴溶液，具体地说是从硫酸钴溶液中除去Mn的方法，包括以下步骤： 将溶液的pH调节到3-6范围内，然后将NaOCl加入到溶液中，以获得相对于标准氢电极（SHE）在1100至1300mV范围内的氧化还原电位; 并从这样处理的溶液中除去Mn沉淀物。
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