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1. 发明专利

JP2008240009A Method for chlorine-leaching nickel sulfide 有权
标题翻译：氯化镍浸出方法
公开(公告)号：JP2008240009A
公开(公告)日：2008-10-09
申请号：JP2007078200
申请日：2007-03-26
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： SAKAMOTO KOJI , NISHIKAWA ISAO , HIGUCHI HIROTAKA
IPC分类号： C22B23/00 , C22B3/04
CPC分类号： Y02P10/214 , Y02P10/224 , Y02P10/234
摘要： PROBLEM TO BE SOLVED: To provide a method for chlorine-leaching nickel sulfide by which, when chlorine-leaching nickel sulfide produced by the hydrometallurgy process of nickel oxide ores, the oxidation of sulfur in the nickel sulfide can be suppressed and the leaching ratio of nickel and cobalt can be improved. SOLUTION: This method for chlorine-leaching, a nickel sulfide (A) produced by the hydrometallurgy process of nickel oxide ores is characterized in that a substitution residue (B) containing copper and nickel and obtained from a step of substitution leaching of nickel matte by copper ions in a solution is subjected, together with the nickel oxide (A), to chlorine-leaching while making these (A) and (B) coexist in an aqueous chloride solution containing copper ions. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种氯浸镍硫化物的方法，当通过氧化镍矿石的湿法冶金法生产的氯浸镍硫化物可以抑制硫化镍中的硫的氧化，并且可以提高镍和钴的浸出率。解决方案：氯浸法的方法是，通过氧化镍矿石的湿法冶金法生产的硫化镍（A）的特征在于，含有铜和镍的取代残基（B），由取代浸出步骤将溶液中的铜离子的镍锍与氧化镍（A）一起进行氯浸出，同时使这些（A）和（B）共存于含有铜离子的氯化水溶液中。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2005247666A Method of refining nickel chloride aqueous solution 审中-公开
标题翻译：精炼镍氯化物水溶液的方法
公开(公告)号：JP2005247666A
公开(公告)日：2005-09-15
申请号：JP2004063463
申请日：2004-03-08
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 , MATSUMOTO NOBUHIRO
IPC分类号： C01G53/09
摘要： PROBLEM TO BE SOLVED: To provide a method of reducing the quantity of a neutralizing agent to be used by efficiently removing impurity elements forming chlorine complexes of zinc, copper, iron, cobalt or the like contained in a nickel chloride aqueous solution with simple equipment at a low cost to decrease the removed quantity of copper, iron or cobalt in oxidation-neutralization.
SOLUTION: The method of refining the nickel chloride aqueous solution includes a 1st process for removing, by oxidation-neutralization, at least one kind selected from cobalt, copper or iron from the nickel chloride aqueous solution containing the impurity elements forming the chlorine complexes of Zinc and others and a 2nd process for removing zinc by ion exchange using an anion exchange resin. The concentration of one of the impurity elements in the nickel chloride aqueous solution obtained in the 1st process is controlled as follows. That is, cobalt concentration=≤3 g/L, copper concentration=≤1 g/L or iron concentration=≤1 g/L.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种通过有效地除去形成氯化镍水溶液中所含的锌，铜，铁，钴等的氯络合物的杂质元素来减少所使用的中和剂的量的方法，简单的设备以低成本降低铜，铁或钴在氧化中和中的去除量。解决方案：精炼氯化镍水溶液的方法包括通过氧化中和从含有形成氯的杂质元素的氯化镍水溶液中除去选自钴，铜或铁中的至少一种的第一种方法锌等复合物以及使用阴离子交换树脂通过离子交换除去锌的第二种方法。在第一工序中得到的氯化镍水溶液中的杂质元素之一的浓度如下控制。也就是说，钴浓度=≤3g/ L，铜浓度≤1g/ L或铁浓度≤1g/ L。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2004277225A Decomposition and removal method of ammonia nitrogen in nickel sulfate aqueous solution 审中-公开
公开(公告)号：JP2004277225A
公开(公告)日：2004-10-07
申请号：JP2003071316
申请日：2003-03-17
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： C01B3/04 , C01G53/10
CPC分类号： Y02E60/364
摘要： PROBLEM TO BE SOLVED: To provide a method of efficiently decomposing ammonia nitrogen in a nickel sulfate aqueous solution to nitrogen while restraining the formation of nitrate nitrogen.
SOLUTION: In this decomposition and removal method of ammonia nitrogen in a nickel sulfate aqueous solution, chlorine gas is blown in the nickel sulfate aqueous solution containing ammonia nitrogen and the pH of the nickel sulfate aqueous solution is controlled not higher than 4.0. And the redox potential (based on the Ag/AgCl electrode) of the nickel sulfate aqueous solution is not lower than 900 mV.
COPYRIGHT: (C)2005,JPO&NCIPI

4. 发明专利

JP2013154262A Thickener apparatus in process for ore slurry production and method for administering operation thereof 有权
标题翻译：用于泥浆生产的粗加工设备及其操作方法
公开(公告)号：JP2013154262A
公开(公告)日：2013-08-15
申请号：JP2012014556
申请日：2012-01-26
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： YAMAGUCHI YOHEI , NISHIKAWA ISAO
IPC分类号： B01D21/30 , B01D21/08 , C22B23/00 , G01F23/28
CPC分类号： B01D21/2427 , B01D21/286 , B01D21/34 , C22B23/00 , G01F23/296 , G01F23/2962
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method which obtain an ore slurry of an aimed Solids% without being affected by the blend ratio or kind of an ore and reduce the amount of a coagulant used.SOLUTION: Operation is administered by measuring the interval between the time when an ultrasonic transducer 21, which is installed so as to be located at the upper part of a supernatant liquid portion in a thickener 10, sends an ultrasonic wave, and receives the wave reflected from the interface between the liquid surface of the supernatant liquid portion and the coagulated and sedimented layer of a sedimentation concentration part, sends an ultrasonic wave, and the time when it receives the reflected wave, calculating the distance to the interface from the liquid part on the basis of the time interval by a metric processor part 22, continuously screen-displaying the state of reflection of the ultrasonic wave corresponding to the slurry sedimentation situation of the inside of the thickener 10 by a monitoring apparatus 30 on the basis of the results of calculation by the metric processor part 22, and quantitatively evaluating in time series the state of sedimentation of the slurry inside the thickener 10 on the basis of the screen display by the monitoring apparatus 30.
摘要翻译：要解决的问题：提供一种获得目标固体％的矿浆的装置和方法，而不受矿石的混合比例或种类的影响，并减少所用的凝结剂的量。解决方案：操作通过测量安装在位于增稠器10中的上清液部分的上部的超声波换能器21发送超声波之间的时间间隔，并且接收从液面的界面反射的波的上清液部分和沉降浓度部分的凝结沉淀层，发送超声波，接收反射波的时间，根据时间间隔计算从液体部分到界面的距离度量处理器部分22，连续地屏幕显示对应于内部的浆料沉降情况的超声波的反射状态基于由度量处理器部22计算的结果的监测装置30，根据监视装置的画面显示，定量评价浓缩物10内的浆料的沉降状态 30。

5. 发明专利

JP2011241446A Method for controlling reaction in sulfuration reaction step 有权
标题翻译：控制反应反应的方法
公开(公告)号：JP2011241446A
公开(公告)日：2011-12-01
申请号：JP2010114473
申请日：2010-05-18
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： SHINGU MASAHIRO , ENDO SHUJI , NISHIKAWA ISAO
IPC分类号： C22B23/00 , C22B3/04 , C22B3/44
CPC分类号： C22B23/043 , C22B3/44 , C22B15/0093 , C22B23/0461 , Y02P10/234 , Y02P10/236
摘要： PROBLEM TO BE SOLVED: To provide a method for controlling a reaction in a sulfuration step, which can reduce the formation of substances adhering to the inner walls of reaction vessels, pipes, and the like without impairing the recovery rate of nickel, and which can therefore reduce the frequency of performing operations to remove substances adhering to the inner walls as compared to conventional techniques.SOLUTION: The method for controlling the reaction in a sulfuration reaction step includes thw blowing of hydrogen sulfide gas into a sulfate salt solution containing at least nickel and the production of a nickel-containing sulfide and a barren solution, wherein the reaction temperature of the sulfuration reaction is controlled to be 60-70°C, and the pressure in the reaction vessel used for the sulfuration reaction is controlled to be 200-300 kPaG.
摘要翻译：要解决的问题：提供一种控制硫化步骤中的反应的方法，其可以减少粘附在反应容器，管道等的内壁上的物质的形成而不损害镍的回收率，因此与常规技术相比，其可以降低执行操作以除去附着在内壁上的物质的频率。解决方案：在硫化反应步骤中控制反应的方法包括将硫化氢气体吹入至少含有镍的硫酸盐溶液中，并制备含镍硫化物和贫的溶液，其中反应温度的硫化反应控制在60-70℃，用于硫化反应的反应容器中的压力控制在200-300kPaG。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2010099542A Method for decomposing away ammonia nitrogen and apparatus for the same 有权
标题翻译：用于分解硝酸铵的方法和装置
公开(公告)号：JP2010099542A
公开(公告)日：2010-05-06
申请号：JP2008270413
申请日：2008-10-21
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： SATO KATSUAKI , KAKIMOTO MINORU , NISHIKAWA ISAO
IPC分类号： C02F1/72
摘要： PROBLEM TO BE SOLVED: To provide a method for decomposing away ammonia nitrogen which can inhibit the generation of by-products such as nitrate nitrogen, reduce total nitrogen, which is a nitrogen pollutant load in treated water, and perform stable treatment at low chemical and equipment cost when oxidatively decomposing away ammonia nitrogen contained in industrial wastewater using a chlorine-based oxidizing agent, and an apparatus used for the method.
SOLUTION: An acidic aqueous solution (A) containing ammonia nitrogen is sent to a first reaction tank, and while continuously measuring pH in the reaction tank, the amount of added pH adjusting agent is automatically controlled so as to adjust the pH to 3.0-5.0. The obtained acidic aqueous solution (B) after the pH adjustment is sent to a second reaction tank, and while continuously measuring pH and oxidation-reduction potential in the reaction tank, the amounts of added pH adjusting agent and chlorine-based oxidizing agent are respectively automatically controlled so as to adjust the pH to 7.5-9.5 and the oxidation-reduction potential to 450-550 mV (based on an Ag/AgCl electrode).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种分解氨氮的方法，其可以抑制副产物如硝酸盐氮的产生，减少处理水中的氮污染物负荷的总氮，并且在使用氯系氧化剂对工业废水中所含的氨氮进行氧化分解时的化学成分和设备成本低的方法。解决方案：将含有氨氮的酸性水溶液（A）送入第一反应槽，在连续测定反应槽内的pH的同时，自动控制添加的pH调节剂的添加量，将pH调节至 3.0-5.0。将pH调节后的所得酸性水溶液（B）送至第二反应槽，在连续测定反应槽内的pH，氧化还原电位的同时，分别添加pH调节剂和氯系氧化剂自动控制，以便将pH调节至7.5-9.5，氧化还原电位调节至450-550mV（基于Ag / AgCl电极）。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009091646A Method for controlling oxidation-reduction potential in reaction of leaching sulfide of nonferrous metal with chlorine 审中-公开
标题翻译：用氯化物处理非金属浸出硫化物反应的氧化还原电位的方法
公开(公告)号：JP2009091646A
公开(公告)日：2009-04-30
申请号：JP2007266365
申请日：2007-10-12
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： MATSUKI SHIGEKI , NISHIKAWA ISAO , MAKI HIROYUKI
IPC分类号： C22B3/04 , C22B23/00
CPC分类号： Y02P10/234
摘要： PROBLEM TO BE SOLVED: To provide a method for controlling the oxidation-reduction potential, which reduces a fluctuation range of the oxidation-reduction potential in a chlorine leaching reaction than a conventional method and obtains a high leaching rate of a metal element without lowering a utilization factor of chlorine gas and increasing an oxidation rate of sulfur. SOLUTION: When measuring the oxidation-reduction potential in a chlorine leaching tank at intervals of a predetermined period and controlling an opening of a valve for adjusting a flow rate of chlorine according to a difference between a set value and a measured value, in a chlorine leaching operation for a nickel raw material such as a sulfide of a nonferrous metal, this controlling method includes compensating the changed quantity of the opening of the valve for adjusting the flow rate of chlorine according to the difference between the set value and the measured value by adding the changed quantity of the opening of the valve for adjusting the flow rate of chlorine gas according to the difference between the set value and the measured value at the previous period, at least in a part of the times of measuring the oxidation-reduction potential among the above measuring times, and controlling the opening of the valve for adjusting the flow rate of chlorine gas according to the obtained changed quantity of the opening. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种控制氧化还原电位的方法，其减少氯浸出反应中的氧化还原电位的波动范围比常规方法，并且获得金属元素的高浸出速率而不降低氯气的利用率并提高硫的氧化速率。解决方案：当以预定时间间隔测量氯浸出罐中的氧化还原电位并根据设定值和测量值之间的差来控制用于调节氯流量的阀的开度时，在用于镍原料如有色金属硫化物的氯浸出操作中，该控制方法包括根据设定值和设定值之间的差异来补偿用于调节氯流量的阀的开度的变化量至少在测量氧化时间的至少一部分时间内，根据设定值和上一个时间段的测量值之间的差值，添加用于调节氯气流量的阀的开度的变化量， - 上述测量次数之间的还原电位，并且根据实施例控制用于调节氯气流量的阀的开度改变开放数量。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2006001817A Reduction dissolving method for mixed hydroxide comprising nickel and cobalt 审中-公开
标题翻译：包含镍和钴的混合氢氧化物的还原溶解方法
公开(公告)号：JP2006001817A
公开(公告)日：2006-01-05
申请号：JP2004182503
申请日：2004-06-21
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 , IHARA YOSHIAKI , IEMORI NOBUMASA
IPC分类号： C01G53/10 , C22B23/00
摘要： PROBLEM TO BE SOLVED: To provide a reduction dissolving method with which, in a method of dissolving mixed hydroxide comprising nickel and cobalt with sulfuric acid and producing a mixed sulfuric acid aqueous solution of nickel and cobalt, at the time of reducing and dissolving nickel-cobalt hydroxide undissolved in sulfuric acid using sulfurous acid gas, the gas reaction efficiency is increased to reduce the amount of the sulfurous acid gas to be used, and also, nickel and cobalt can be dissolved at a high yield.
SOLUTION: In the method of reducing and dissolving mixed hydroxide comprising nickel and cobalt, sulfuric acid is added to the slurry of mixed hydroxide; thereafter, the sulfuric acid-added slurry is passed through a multistage dissolving device composed of a plurality of connected reaction tanks, and is brought into contact with two or more kinds of gases with different SO
2 concentrations in each reaction tank of the device; at this time, a gas having the lowest SO
2 concentration is blown into the reaction tank in the forefront stage in the device; and on the other hand, a gas having the highest SO
2 concentration is blown into the reaction stage in the last stage.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种还原溶解法，其中在将含有镍和钴的混合氢氧化物与硫酸一起溶解并产生镍和钴的混合硫酸水溶液的方法中，在还原时和使用亚硫酸气溶解在硫酸中不溶解的氢氧化镍 - 钴酸氢溶液，气体反应效率提高，以减少所使用的亚硫酸气体的量，并且还可以高收率地溶解镍和钴。解决方案：在还原和溶解包含镍和钴的混合氢氧化物的方法中，将硫酸加入到混合氢氧化物的浆料中; 然后，将硫酸添加浆料通过由多个连接的反应槽构成的多级溶解装置，并与各种SO 2 SB浓度不同的两种以上的气体接触反应罐装置; 此时，具有最低SO 2 浓度的气体被吹入装置的最前面的反应槽中; 另一方面，在最后阶段将具有最高SO 2 浓度的气体吹入反应阶段。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2014205901A ニッケル酸化鉱石の湿式製錬方法有权
标题翻译：氧化镍的湿法冶炼方法
公开(公告)号：JP2014205901A
公开(公告)日：2014-10-30
申请号：JP2013195610
申请日：2013-09-20
申请人：住友金属鉱山株式会社 , Sumitomo Metal Mining Co Ltd
发明人： SATO KATSUAKI , NISHIKAWA ISAO , HIGUCHI HIROTAKA , SUGITA IZUMI , NAKANO OSAMU
IPC分类号： C22B23/00 , C22B3/04
CPC分类号： C22B23/043 , C22B3/08 , C22B23/005 , Y02P10/212
摘要：【課題】ニッケル酸化鉱石の高温加圧酸浸出による湿式製錬方法において、鉄の大部分をヘマタイトの形で浸出残渣に固定化するために高鉄酸化率を達成し、浸出時における硫酸使用量を抑え、ニッケル及びコバルトを高い浸出率で浸出させる。【解決手段】第1工程で調整された鉱石スラリー中の炭素品位および流量を測定して、第2工程に装入される炭素量を求め、次いで、硫酸を添加して高圧空気並びに高圧水蒸気を用いて浸出処理を施す第2工程では、高圧空気及び高圧酸素をその酸素純度が21〜60%となるように吹込み比率を調整し、且つ、酸素純度を維持しながら酸素吹込量を上記鉱石スラリーに含有されて第2工程に装入される炭素重量1t当たり200〜600Nm3として、浸出処理におけるORP(Ag/AgCl基準)を400〜650mVに制御する。【選択図】図1
摘要翻译：要解决的问题：为了通过高温酸性渗出法提供氧化镍矿石的湿式冶炼方法，其实现了高铁氧化速率以将大多数铁固定在赤铁矿形式的渗出残渣中，抑制了硫酸的使用量以高渗出率渗出并渗出镍和钴。解决方案：测量在第一步中制备的矿石浆料的碳质量和流速，以确定在第二步中要充入的碳的量。随后，在加入硫酸的第二步骤中，通过使用高压空气和高压蒸汽进行渗出处理，调节高压空气与高压氧的吹送比，得到氧气纯度为21-60％，吹入的氧气量被调节为矿石浆料中所含的碳重量的200-600Npper 1t，并在第二步中加入，同时保持氧气的纯度，并且渗出处理中的ORP（基于Ag / AgCl）控制在400-650mV。

10. 发明专利

JP2014037632A Thickner device in ore slurry manufacturing process and control method of its solid component percentage 有权
标题翻译：粗骨料制造工艺中的厚壁装置及其固体成分百分比的控制方法
公开(公告)号：JP2014037632A
公开(公告)日：2014-02-27
申请号：JP2013181596
申请日：2013-09-02
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： C22B23/00 , C22B1/00
摘要： PROBLEM TO BE SOLVED: To pass an ore slurry having the desired Solid % to a high temperature compression exudation process in a slurry manufacturing process of a nickel oxide ore by a wet type smelting method which collects nickel from a low grade nickel oxide ore.SOLUTION: A first raw material ore slurry containing Si, A0 is applied to thickening by a first thickener, 10A to obtain an ore slurry having lower solid component percentage than the desired 39% to 42%, A1, and a second raw material ore slurry containing Si, B0 is applied to thickening by a second thickener, 10B to obtain B1 having higher solid component percentage than the desired 39% to 42%, B1, then the ore slurry A1 and the ore slurry B1 is mixed while controlling a mixture ratio of the ore slurry A1 and the ore slurry B1 to the mixture ratio which can provide an ore slurry C having the solid component percentage of the desired 39% to 42% and a Si grade of 7.0% to 8.0%.
摘要翻译：要解决的问题：通过采用从低品位镍氧化物矿石中收集镍的湿式冶炼方法，将具有所需固体％的矿石浆料通过高温压缩渗出工艺在氧化镍矿石的浆料制造过程中。：将含有Si，A0的第一原料矿浆用第一增稠剂10A进行增稠，得到固体成分百分比低于期望值为39％〜42％的矿石浆料，以及含有 Si，B0通过第二增稠剂10B进行增稠，得到B1，其固体成分百分比高于期望的39％至42％的B1，然后将矿浆A1和矿浆B1混合，同时控制混合比矿石浆料A1和矿石浆料B1的混合比，其可以提供具有所需的39％至42％的固体成分百分比和7.0％至8.0％的Si等级的矿浆C。

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