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11. 发明专利

JP2006045019A Method for producing mixed nickel/cobalt sulfate aqueous solution in low chlorine concentration 审中-公开
标题翻译：在低氯浓度下生产混合镍/钴硫酸盐水溶液的方法
公开(公告)号：JP2006045019A
公开(公告)日：2006-02-16
申请号：JP2004230421
申请日：2004-08-06
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： SHIBAYAMA KEISUKE , NISHIKAWA ISAO , MATSUKI SHIGEKI , IHARA YOSHIAKI , IEMORI NOBUMASA
IPC分类号： C01G51/10 , C01G53/10
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a mixed nickel/cobalt sulfate aqueous solution having low chlorine concentration from a grout comprising the hydroxides of nickel, cobalt and other trivalent metals and containing chlorine in a high dechlorination efficiency.
SOLUTION: This method comprises slurrying the grout comprising the hydroxides of nickel, cobalt and other trivalent metals and containing chlorine, adding sulfuric acid having concentration of at least 50 wt.% to the above slurry to adjust pH in the range of 0-2, and blowing a gas in the solution.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种从含有镍，钴等三价金属的氢氧化物并含有氯的高浓度氯化效率的水泥浆中制备氯浓度低的混合镍/钴硫酸盐水溶液的方法。解决方案：该方法包括将包含镍，钴和其它三价金属的氢氧化物并含有氯的灌浆浆料加入到上述浆料中，将浓度至少为50重量％的硫酸调节至0的范围内 -2，并在溶液中吹入气体。版权所有（C）2006，JPO＆NCIPI

12. 发明专利

JP2005220426A Hanger for cathode plate used for electrolytic refining, and its production method 审中-公开
标题翻译：用于电解精炼的阴极板及其生产方法
公开(公告)号：JP2005220426A
公开(公告)日：2005-08-18
申请号：JP2004031628
申请日：2004-02-09
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： NISHIKAWA ISAO , MATSUMOTO NOBUHIRO , IEMORI NOBUMASA
IPC分类号： C22F1/10 , C22F1/00 , C25C7/02
摘要： PROBLEM TO BE SOLVED: To provide a hanger for a cathode plate capable of reducing a contact resistance between the hanger and a cathode beam, thereby preventing the increase in the voltage in an electrolytic cell and reducing electrolytic power cost, and to provide its production method.
SOLUTION: In the electrolytic refining method for nonferrous metal, a metal used to the hanger for the cathode plate is sintered at a temperature equivalent to 70 to 95% of the melting point indicated by the absolute temperature of the metal in a nonoxidizing atmosphere, and further, the concentration of oxygen in the nonoxidizing atmosphere is controlled to not higher than the concentration of equilibrium oxygen where the primary oxide of the metal is produced.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供能够降低悬挂器和阴极束之间的接触电阻的阴极板的悬挂器，从而防止电解槽中的电压升高并降低电解电力成本，并提供其生产方式。解决方案：在有色金属的电解精炼方法中，用于阴极板的衣架的金属在相当于非氧化性金属绝对温度表示的熔点的70〜95％的温度下进行烧结进一步将非氧化气氛中的氧浓度控制为不高于生成金属的一次氧化物的平衡氧的浓度。版权所有（C）2005，JPO＆NCIPI

13. 发明专利

JP2013159790A Thickener device used in process of producing ore slurry, and method of controlling solid component ratio therefor 有权
标题翻译：用于生产泥浆浆料的方法中使用的较厚装置以及控制其固体成分比例的方法
公开(公告)号：JP2013159790A
公开(公告)日：2013-08-19
申请号：JP2012020060
申请日：2012-02-01
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： ENDO SHUJI , NISHIKAWA ISAO
IPC分类号： C22B1/00 , B01D21/24 , B01D21/30 , C22B23/00
CPC分类号： C22B23/005 , B01D21/06 , B01D21/34
摘要： PROBLEM TO BE SOLVED: To provide ore slurry of an intended solid% without being influenced by the species and the blend ratio thereof, in a thickener device and a method of controlling a solid component ratio of an ore slurry, used in a process of producing a slurry of nickel oxide ore or the like to be sent to a high-temperature/pressurized sulfuric acid leaching process.SOLUTION: A first raw material ore slurry A0 in which plural species of ores are blended is subjected to thickening treatment in a first thickener 10A to obtain an ore slurry A1 of a first solid component ratio lower than an intended and prescribed solid component ratio. A second raw material ore slurry B0 in which plural species of ores are blended is subjected to thickening treatment in a second thickener 10B to obtain an ore slurry B1 of a second solid component ratio higher than the intended and prescribed solid component ratio. The blend ratio of the first and second ore slurries A1, B2 is controlled at a blend ratio that enables the production of an ore slurry C of the intended and prescribed solid component ratio, based on the solid component ratios thereof, and the ore slurries A1, B1 are blended.
摘要翻译：要解决的问题：为了提供目标固体％的矿浆，不受其种类和共混比的影响，在增稠装置中和控制生产过程中使用的矿浆的固体成分比例的方法将要送入高温/加压硫酸浸出工艺的氧化镍矿石等的浆料。其中混合多种矿石的第一原料矿浆A0在第一增稠剂中进行增稠处理以获得第一固体组分比低于预期和规定的固体组分比的矿浆A1。在第二增稠器10B中进行混合有多种矿石的第二原料矿浆料B0，得到第二固体成分比高于规定的固体成分比例的矿浆B1。控制第一和第二矿石浆料A1，B2的混合比例，其混合比可以根据其固体成分比例和矿石浆料A1生产预定和规定的固体成分比率的矿石浆料C ，B1混合。

14. 发明专利

JP2010168258A Method for controlling oxidization and neutralization of aqueous nickel chloride solution 审中-公开
标题翻译：用于控制氯化镍溶液的氧化和中和的方法
公开(公告)号：JP2010168258A
公开(公告)日：2010-08-05
申请号：JP2009014133
申请日：2009-01-26
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： NISHIKAWA ISAO
IPC分类号： C01G53/00 , C01G53/09
摘要： PROBLEM TO BE SOLVED: To provide a method for stably controlling the amount of an oxidizing agent to be added to an aqueous nickel chloride solution containing at least nickel, in response to change in the amount of cobalt in the supplied aqueous nickel chloride solution, so as to prevent excessive addition of the oxidizing agent, wherein the oxidizing agent and a neutralizing agent are added to the aqueous nickel chloride solution so as to carry out oxidization and neutralization for producing a hydroxide precipitate containing cobalt and obtaining a final solution from which cobalt is removed.
SOLUTION: The amount of the oxidizing agent to be added is adjusted in response to changes in the supplied amount of the aqueous nickel chloride solution and cobalt concentration, so as to satisfy the relation (1): amount of oxidizing agent added (kg/H)=supplied amount of starting solution (m
3 /H)×(A+B) (wherein A is "amount of the oxidizing agent required for oxidizing Co in the starting solution"; and B is "amount of the oxidizing agent required for oxidizing Ni in the resulting precipitate", which is obtained based on a relation between Co concentration in the initial solution and mass ratio of Ni/Co in the resulting precipitate).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于稳定地控制添加到至少含有镍的氯化镍水溶液中的氧化剂的量的方法，响应于所提供的氯化镍水溶液中的钴的量的变化溶液，以防止过量添加氧化剂，其中将氧化剂和中和剂加入到氯化镍水溶液中，以进行氧化和中和以产生含钴的氢氧化物沉淀物，并从去除钴。解决方案：根据氯化镍水溶液的供给量和钴浓度的变化，调节氧化剂的添加量，以满足关系式（1）：添加的氧化剂的量（ kg / H）=起始溶液的供给量（m 3 / H）×（A + B）（A为“起始溶液中的氧化剂所需的氧化剂的量” B是根据初始溶液中的Co浓度与所得沉淀物中的Ni / Co的质量比之间的关系得到的“在所得沉淀物中氧化Ni所需的氧化剂的量”）。版权所有（C）2010，JPO＆INPIT

15. 发明专利

JP2006248835A Method for producing nickel sulfate aqueous solution of low zinc concentration 审中-公开
标题翻译：生产低锌浓度镍硫酸盐溶液的方法
公开(公告)号：JP2006248835A
公开(公告)日：2006-09-21
申请号：JP2005066563
申请日：2005-03-10
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： SHIBAYAMA KEISUKE , NISHIKAWA ISAO , IHARA YOSHIAKI
IPC分类号： C01G53/10
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a nickel sulfate aqueous solution of low zinc concentration by removing zinc from a nickel sulfate aqueous solution by using hydrogen sulfide, by which the zinc is selectively formed and precipitated while preventing co-precipitation with nickel and at the same time, the nickel sulfate aqueous solution from which zinc is removed until the concentration of zinc becomes low is efficiently separated and recovered from slurry of sulfide precipitate containing formed zinc sulfide.
SOLUTION: The method for producing the nickel sulfate aqueous solution of low zinc concentration comprises: (1) a neutralization process for controlling the pH of a nickel sulfate aqueous solution (A) containing zinc to 1.0-3.5 by adding a neutralization agent to the solution (A); (2) a sulfurization/precipitation process for forming slurry of the sulfide precipitate containing zinc sulfide by blowing hydrogen sulfide into the pH-controlled aqueous solution (A); and (3) a process for performing solid-liquid separation while maintaining the redox potential (Ag/AgCl electrode as a reference) of the slurry at -50 to -100 mV.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决方案：提供一种通过使用硫化氢从硫酸镍水溶液中除去锌而制备低锌浓度的硫酸镍水溶液的方法，通过该硫化氢选择性地形成和沉淀锌，同时防止共沉淀，与镍一起沉淀，同时从其中除去锌的硫酸镍水溶液直到锌浓度变低，从含硫化锌的硫化物沉淀物的浆料中有效地分离回收。解决方案：低锌浓度的硫酸镍水溶液的制造方法包括：（1）通过添加中和剂来控制含锌的硫酸镍水溶液（A）的pH为1.0〜3.5的中和处理到溶液（A）; （2）通过将硫化氢吹入pH控制的水溶液（A）中形成含硫化锌的硫化物沉淀物的淤浆的硫化/沉淀方法; 和（3）在-50至-100mV下保持浆料的氧化还原电位（Ag / AgCl电极作为参考）的同时进行固液分离的方法。版权所有（C）2006，JPO＆NCIPI

16. 发明专利

JP2005089808A Method for refining nickel chloride aqueous solution 有权
标题翻译：改善氯化镍水溶液的方法
公开(公告)号：JP2005089808A
公开(公告)日：2005-04-07
申请号：JP2003323947
申请日：2003-09-17
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： NISHIKAWA ISAO , TAKAISHI KAZUYUKI , MATSUMOTO NOBUHIRO , IEMORI NOBUMASA
IPC分类号： C22B23/00 , B01D15/04 , B01J41/00 , B01J41/04 , C01G53/09 , C22B3/20 , C22B3/42 , C22B3/44 , C22B9/00
CPC分类号： C22B3/42 , B01J41/04 , C01G53/09 , C22B19/26 , C22B23/0461 , Y02P10/234
摘要： PROBLEM TO BE SOLVED: To provide a method for efficiently removing impurity elements included in a nickel chloride aqueous solution and forming a chlorine complex particularly, zinc with simple equipment at a low cost. SOLUTION: The method for refining a nickel chloride aqueous solution including impurities forming a chlorine complex such as zinc comprises: a first stage where the concentration of Ni, oxidation-reduction potential and pH in the nickel chloride aqueous solution are adjusted, and oxidative neutralization is applied to remove the impurity elements; and a second stage where the refining liquid obtained in the first stage is subjected to ion exchange with an anion exchange resin, and zinc is adsorbed and removed. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种以低成本有效地除去包含在氯化镍水溶液中并且以简单的设备形成氯络合物特别是锌的杂质元素的方法。解决方案：包括形成氯络合物如锌的杂质的氯化镍水溶液的方法包括：调节氯化镍水溶液中的Ni浓度，氧化还原电位和pH的第一阶段，以及应用氧化中和去除杂质元素; 将第一阶段得到的精制液与阴离子交换树脂进行离子交换，并吸附除去锌的第二阶段。版权所有（C）2005，JPO＆NCIPI

17. 发明专利

JP2004307270A Method of refining nickel sulfate aqueous solution containing cobalt and calcium 有权
公开(公告)号：JP2004307270A
公开(公告)日：2004-11-04
申请号：JP2003103593
申请日：2003-04-08
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： NISHIKAWA ISAO , TAKAISHI KAZUYUKI , KAKIMOTO MINORU , IEMORI NOBUMASA
IPC分类号： C01G53/10 , B01D11/04 , C22B3/38 , C22B23/00
CPC分类号： C22B23/0453 , B01D11/0446 , C22B3/0067 , Y02P10/234
摘要： PROBLEM TO BE SOLVED: To provide a high efficient refining method for obtaining a refined nickel sulfate aqueous solution having low concentration of cobalt and calcium by improving cobalt extraction efficiency in the exchange reaction to increase the quantity of cobalt to be treated in a method for refining the nickel sulfate aqueous solution by a solvent extraction method using the exchange reaction. SOLUTION: The refining method of the nickel sulfate aqueous solution containing cobalt and calcium is performed by using a multistage countercurrent reaction vessel, supplying the nickel sulfate aqueous solution to a final stage as a water phase, supplying a mixed organic solvent prepared by diluting 2-ethyl hexyl phosphonic mono-2 ethyl hexyl ester extracting agent holding nickel with hydrocarbon so that the concentration becomes 20-30 vol.% to a 1st stage as an organic phase and controlling the water phase in the final stage to pH 4.5-5.5, the calcium concentration in the organic phase in the final stage to ≤0.4 g/L and the total concentration of cobalt and calcium to ≤25 g/L. COPYRIGHT: (C)2005,JPO&NCIPI

18. 发明专利

JP2017088954A 電解採取用母板の再生方法审中-公开
公开(公告)号：JP2017088954A
公开(公告)日：2017-05-25
申请号：JP2015220265
申请日：2015-11-10
申请人：住友金属鉱山株式会社 , Sumitomo Metal Mining Co Ltd
发明人： NARADATE YUHEI , NISHIKAWA ISAO , FUKUIE TOMONAO
IPC分类号： C25C7/02 , B24C1/00 , B24C11/00
摘要：【課題】効率のよい電解採取用母板の再生方法を提供する。【解決手段】絶縁物14でマスキングされた母板1の再生方法であって、ブラスト処理により母板1から絶縁物14を除去するブラスト処理工程を備える。ブラスト処理に用いられる研削材がフェロニッケルスラグである。ブラスト処理により母板1から絶縁物14を除去することで、効率よく絶縁物の除去ができる。研削材がフェロニッケルスラグであるので、ブラスト処理により発生する粉塵の遊離珪酸含有率を低減でき、作業環境を良好にできる。【選択図】図1

19. 发明专利

JP2013256691A Neutralization method 有权
标题翻译：中和方法
公开(公告)号：JP2013256691A
公开(公告)日：2013-12-26
申请号：JP2012133125
申请日：2012-06-12
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： HIGUCHI HIROTAKA , NISHIKAWA ISAO
IPC分类号： C22B3/44 , C02F1/58 , C02F1/64 , C22B23/00
CPC分类号： C02F1/66 , C02F1/5236 , C02F2101/101 , C02F2101/203 , C02F2101/206 , C02F2103/16 , C22B23/043 , C22B23/0461
摘要： PROBLEM TO BE SOLVED: To provide a neutralization method which can perform efficient neutralization by reducing the amount of a high-cost highly alkaline neutralizing agent in the neutralization of a barren solution produced from a process for forming sulfides of nickel and cobalt from an aqueous sulfuric acid containing nickel, cobalt, and an impurity metal containing at least any one of iron, magnesium, and manganese.SOLUTION: What is provided is a neutralization method comprising a first neutralization step S11 of subjecting a barren solution to neutralization where a calcium carbonate slurry is used as a first neutralizing agent, and the endpoint is in the range of pH 5.0 to 6.0 and a second neutralization step S12 of obtaining a final neutralized solution devoid of precipitates and metallic ions thereof containing metals remaining in the barren solution by subjecting the solution obtained in the first neutralization step S11 to neutralization by using a second neutralizing agent.
摘要翻译：要解决的问题：提供一种中和方法，其可以通过在从硫酸水溶液形成镍和钴的硫化物的方法中产生的贫化溶液的中和中减少高成本的高碱性中和剂的量来进行有效的中和含有镍，钴和含有至少铁，镁和锰中的任何一种的杂质金属的酸。溶液：提供了一种中和方法，其包括使贫水溶液中和的第一中和步骤S11，其中碳酸钙浆料被用作第一中和剂，并且终点在pH5.0至6.0的范围内，第二中和步骤S12获得没有沉淀物的最终中和溶液及其残留在贫溶液中的金属的金属离子在第一中和步骤S11中获得，以通过使用第二中和剂进行中和。

20. 发明专利

JP2005239493A Method for removing chlorine ion from nickel sulfate aqueous solution 审中-公开
标题翻译：从镍硫酸盐水溶液中去除氯离子的方法
公开(公告)号：JP2005239493A
公开(公告)日：2005-09-08
申请号：JP2004052640
申请日：2004-02-27
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： KAKIMOTO MINORU , NISHIKAWA ISAO , TAKAISHI KAZUYUKI
IPC分类号： C02F1/26 , B01D11/04 , C01G53/10
摘要： PROBLEM TO BE SOLVED: To provide a method for obtaining a purified nickel sulfate aqueous solution of a low chlorine ion concentration by removing chlorine ion as an impurity from a nickel sulfate aqueous solution as the raw material for obtaining a nickel sulfate product of a high purity.
SOLUTION: The method comprises the processes such that a chlorine ion-containing nickel sulfate aqueous solution is contacted with a mixed organic solvent of a tertiary amine and a petrolic aromatic hydrocarbon and consequently the chlorine ion as a hydrochloric acid is extracted preferentially into the organic phase; and next the organic phase obtained in the above extraction process is contacted with a warm water to thereby back-extract the hydrochloric acid contained in the organic phase into a water phase; additionally the organic phase obtained in the back extraction process is contacted with a diluted nickel sulfate aqueous solution while removing a contaminated sodium ion into the water phase and thereafter is used circularly in the above extraction process.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种通过从硫酸镍水溶液中除去作为杂质的氯离子作为获得硫酸镍产品的原料而获得低氯离子浓度的纯化硫酸镍水溶液的方法，纯度高。解决方案：该方法包括使含氯离子的硫酸镍水溶液与叔胺和石油芳族烃的混合有机溶剂接触的方法，因此将氯离子作为盐酸优先提取有机相; 接着将上述萃取过程中得到的有机相与温水接触，将有机相中所含的盐酸反萃取成水相，此外，将反萃取过程中获得的有机相与稀释的硫酸镍水溶液接触，同时将污染的钠离子除去到水相中，然后在上述萃取过程中循环使用。版权所有（C）2005，JPO＆NCIPI

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