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1. 发明授权

US08747787B2 Method for producing raw material for ferronickel smelting from low grade nickel oxide ore 有权
标题翻译：低品位氧化镍矿冶炼镍铁原料生产方法
公开(公告)号：US08747787B2
公开(公告)日：2014-06-10
申请号：US13701951
申请日：2011-07-13
申请人： Hiroshi Kobayashi , Osamu Nakai , Keisuke Shibayama , Takayuki Nakai , Yoshitomo Ozaki , Norihisa Toki , Junichi Takahashi , Toshirou Tan
发明人： Hiroshi Kobayashi , Osamu Nakai , Keisuke Shibayama , Takayuki Nakai , Yoshitomo Ozaki , Norihisa Toki , Junichi Takahashi , Toshirou Tan
IPC分类号： C22B23/00
CPC分类号： C22B1/02 , C22B3/0005 , C22B3/12 , C22B3/44 , C22B23/005 , C22B23/021 , C22B23/023 , C22B23/0461 , Y02P10/234
摘要： Provided is a method for producing ferronickel from a nickel sulfide or a mixed sulfide containing nickel and cobalt, obtained by hydrometallurgy of nickel oxide ore or obtained from scraps or products in process. The method for producing a ferronickel raw material is to form the ferronickel raw material from a nickel sulfide or a mixed sulfide containing nickel sulfide and cobalt sulfide, wherein treatments are performed through the following steps: (1) redissolution step, (2) deferrization step, (3) solvent extraction step, (4) hydroxylation step, (5) roasting step, and (6) washing and calcining step.
摘要翻译：本发明提供从镍硫化物或含有镍和钴的混合硫化物制备镍铁的方法，其通过氧化镍矿石的湿法冶金得到，或从废渣或产品中获得。镍铁原料的制造方法是从硫化镍或硫化镍和硫化钴的混合硫化物形成镍铁原料，其中通过以下步骤进行处理：（1）再溶解步骤，（2）脱铁步骤，（3）溶剂萃取步骤，（4）羟化步骤，（5）焙烧步骤，和（6）洗涤和煅烧步骤。

2. 发明申请

US20130074653A1 METHOD FOR PRODUCING RAW MATERIAL FOR FERRONICKEL SMELTING FROM LOW GRADE NICKEL OXIDE ORE 有权
标题翻译：低铬镍氧化物铁矿石生产原料的方法
公开(公告)号：US20130074653A1
公开(公告)日：2013-03-28
申请号：US13701951
申请日：2011-07-13
申请人： Hiroshi Kobayashi , Osamu Nakai , Keisuke Shibayama , Takayuki Nakai , Yoshitomo Ozaki , Norihisa Toki , Junichi Takahashi , Toshirou Tan
发明人： Hiroshi Kobayashi , Osamu Nakai , Keisuke Shibayama , Takayuki Nakai , Yoshitomo Ozaki , Norihisa Toki , Junichi Takahashi , Toshirou Tan
IPC分类号： C22B1/02
CPC分类号： C22B1/02 , C22B3/0005 , C22B3/12 , C22B3/44 , C22B23/005 , C22B23/021 , C22B23/023 , C22B23/0461 , Y02P10/234
摘要： Provided is a method for producing ferronickel from a nickel sulfide or a mixed sulfide containing nickel and cobalt, obtained by hydrometallurgy of nickel oxide ore or obtained from scraps or products in process. The method for producing a ferronickel raw material is to form the ferronickel raw material from a nickel sulfide or a mixed sulfide containing nickel sulfide and cobalt sulfide, wherein treatments are performed through the following steps: (1) redissolution step, (2) deferrization step, (3) solvent extraction step, (4) hydroxylation step, (5) roasting step, and (6) washing and calcining step.
摘要翻译：本发明提供从镍硫化物或含有镍和钴的混合硫化物制备镍铁的方法，其通过氧化镍矿石的湿法冶金得到，或从废渣或产品中获得。镍铁原料的制造方法是从硫化镍或硫化镍和硫化钴的混合硫化物形成镍铁原料，其中通过以下步骤进行处理：（1）再溶解步骤，（2）脱铁步骤，（3）溶剂萃取步骤，（4）羟基化步骤，（5）焙烧步骤，和（6）洗涤和煅烧步骤。

3. 发明申请

US20130001173A1 METHOD FOR A TREATMENT FOR WASTEWATER CONTAINING ALUMINUM, MAGNESIUM, AND MANGANESE 有权
标题翻译：用于处理含有铝，镁和锰的废水的方法
公开(公告)号：US20130001173A1
公开(公告)日：2013-01-03
申请号：US13583145
申请日：2011-01-06
申请人： Hiroshi Kobayashi , Tatsuya Higaki , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Hiroyuki Mitsui , Osamu Nakai
发明人： Hiroshi Kobayashi , Tatsuya Higaki , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Hiroyuki Mitsui , Osamu Nakai
IPC分类号： C02F1/52 , C02F101/20
CPC分类号： C02F1/66 , C01G45/02 , C02F1/5236 , C02F1/64 , C02F1/72 , C02F1/722 , C02F1/78 , C02F2101/20 , C02F2101/206 , C02F2209/06 , C22B47/00
摘要： The wastewater treatment method is to obtain demanganized wastewater, through a step wherein an acid or an alkali is added to sulfuric acid acidified wastewater to adjust pH to not less than 4.0 and not more than 6.0, whereby the sulfuric acid acidified wastewater is separated into a dealuminized solution and an aluminum precipitate; a step wherein a slurrying solution is added to the aluminum precipitate to form a slurry, then an alkali is added to adjust pH to not less than 9.0 and not more than 9.5, whereby an pH-adjusted aluminum precipitate slurry is formed; a step wherein an alkali is added to the dealuminized solution to adjust pH to not less than 8.0 and not more than 9.0; and others.
摘要翻译：废水处理方法是通过将酸或碱添加到硫酸酸化废水中以将pH调节至4.0以上6.0以下的步骤，从而将硫酸酸化废水分离成为脱铝溶液和铝沉淀; 一个步骤，其中将沉淀溶液加入到铝沉淀物中以形成浆料，然后加入碱以将pH调节至不小于9.0且不大于9.5，由此形成pH调节的铝沉淀浆料; 其中将碱加入脱铝溶液中以将pH调节至不低于8.0且不大于9.0的步骤; 和别的。

4. 发明授权

US09751783B2 Method for a treatment for wastewater containing aluminum, magnesium, and manganese 有权
公开(公告)号：US09751783B2
公开(公告)日：2017-09-05
申请号：US13583145
申请日：2011-01-06
申请人： Hiroshi Kobayashi , Tatsuya Higaki , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Hiroyuki Mitsui , Osamu Nakai
发明人： Hiroshi Kobayashi , Tatsuya Higaki , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Hiroyuki Mitsui , Osamu Nakai
IPC分类号： B01D21/01 , C02F1/52 , B03D3/00 , C02F1/78 , C22B47/00 , C01F7/00 , C22B21/00 , C02F1/72 , C02F1/66 , C02F1/64 , B01D21/00 , C02F1/00 , C01G45/00 , C01F1/00 , C01G45/02 , C02F101/20
CPC分类号： C02F1/66 , C01G45/02 , C02F1/5236 , C02F1/64 , C02F1/72 , C02F1/722 , C02F1/78 , C02F2101/20 , C02F2101/206 , C02F2209/06 , C22B47/00
摘要： The wastewater treatment method is to obtain demanganized wastewater, through a step wherein an acid or an alkali is added to sulfuric acid acidified wastewater to adjust pH to not less than 4.0 and not more than 6.0, whereby the sulfuric acid acidified wastewater is separated into a dealuminized solution and an aluminum precipitate; a step wherein a slurrying solution is added to the aluminum precipitate to form a slurry, then an alkali is added to adjust pH to not less than 9.0 and not more than 9.5, whereby an pH-adjusted aluminum precipitate slurry is formed; a step wherein an alkali is added to the dealuminized solution to adjust pH to not less than 8.0 and not more than 9.0; and others.

5. 发明申请

US20110163042A1 REMOVAL METHOD OF MANGANESE FROM WASTE WATER 有权
标题翻译：从废水中去除锰的方法
公开(公告)号：US20110163042A1
公开(公告)日：2011-07-07
申请号：US12999017
申请日：2010-02-23
申请人： Hiroshi Kobayashi , Norihisa Toki , Hirofumi Shoji , Keiji Kudo , Tatsuya Higaki
发明人： Hiroshi Kobayashi , Norihisa Toki , Hirofumi Shoji , Keiji Kudo , Tatsuya Higaki
IPC分类号： C02F1/64 , C02F1/52
CPC分类号： C22B23/043 , C02F1/5227 , C02F1/74 , C02F2101/20 , C02F2101/206 , C02F2209/04 , C02F2209/06 , C22B3/44 , C22B7/006 , C22B23/0461 , C22B47/00 , C22B47/0045 , Y02P10/234
摘要： A removal method of manganese in which manganese is removed by precipitating manganese selectively from sulfuric acid waste water containing aluminum, magnesium and manganese with inhibiting the precipitation of magnesium.The removal method of manganese from waste water in which manganese is removed by precipitating manganese selectively from the sulfuric acid waste water containing aluminum, magnesium and manganese with inhibiting the precipitation of magnesium, characterized in that said waste water is subjected to the following steps (1) and (2).(1) First, aluminum in said waste water is removed.(2) Subsequently, neutralizing agent is added into the wastewater after removing aluminum, then pH of the waste water is adjusted at 8.0 to 9.0, and oxygen gas is blown.
摘要翻译：锰的去除方法，其中通过从含有铝，镁和锰的硫酸废水中选择性地沉淀锰来除去锰，并抑制镁的析出。通过从含有铝，镁和锰的硫酸废水中选择性地沉淀锰来除去锰的废水中的锰的去除方法，其中抑制镁的沉淀，其特征在于所述废水经受以下步骤（1 ）和（2）。（1）首先，除去所述废水中的铝。（2）随后，在除去铝之后，将中和剂加入到废水中，然后将废水的pH调节至8.0-9.0，并吹入氧气。

6. 发明授权

US09657370B2 Removal method of manganese from waste water 有权
公开(公告)号：US09657370B2
公开(公告)日：2017-05-23
申请号：US12999017
申请日：2010-02-23
申请人： Hiroshi Kobayashi , Norihisa Toki , Hirofumi Shoji , Keiji Kudo , Tatsuya Higaki
发明人： Hiroshi Kobayashi , Norihisa Toki , Hirofumi Shoji , Keiji Kudo , Tatsuya Higaki
IPC分类号： C02F1/52 , C22B3/00 , C02F1/74 , C22B3/44 , C22B7/00 , C22B47/00 , C02F101/20
CPC分类号： C22B23/043 , C02F1/5227 , C02F1/74 , C02F2101/20 , C02F2101/206 , C02F2209/04 , C02F2209/06 , C22B3/44 , C22B7/006 , C22B23/0461 , C22B47/00 , C22B47/0045 , Y02P10/234
摘要： A removal method of manganese in which manganese is removed by precipitating manganese selectively from sulfuric acid waste water containing aluminum, magnesium and manganese with inhibiting the precipitation of magnesium.The removal method of manganese from waste water in which manganese is removed by precipitating manganese selectively from the sulfuric acid waste water containing aluminum, magnesium and manganese with inhibiting the precipitation of magnesium, characterized in that said waste water is subjected to the following steps (1) and (2). (1) First, aluminum in said waste water is removed. (2) Subsequently, neutralizing agent is added into the wastewater after removing aluminum, then pH of the waste water is adjusted at 8.0 to 9.0, and oxygen gas is blown.

7. 发明授权

US08580213B2 Method for recovering nickel from sulfuric acid aqueous solution 有权
标题翻译：从硫酸水溶液中回收镍的方法
公开(公告)号：US08580213B2
公开(公告)日：2013-11-12
申请号：US13057683
申请日：2010-02-02
申请人： Hiroshi Kobayashi , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Tatsuya Higaki
发明人： Hiroshi Kobayashi , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Tatsuya Higaki
IPC分类号： B01D11/00
CPC分类号： C01G45/003 , C01G51/003 , C01G51/04 , C01G53/003 , C01G53/04 , C22B3/44 , C22B23/043 , C22B23/0461 , Y02P10/234
摘要： A method for recovering nickel from sulfuric acid aqueous solution, for recovering nickel in an effectively utilizable form as a raw material of nickel industry material, by separating efficiently impurity elements of iron, aluminum, manganese, etc., from the sulfuric acid aqueous solution containing nickel and cobalt, and the impurity elements, iron, aluminum, manganese, etc. The method comprises the following steps: subject the sulfuric acid aqueous solution to oxidation neutralization treatment; then subject the solution to neutralization treatment, and separate and recover mixed hydroxides containing nickel and cobalt; subject the mixed hydroxides to dissolution treatment in a sulfuric acid solution having a concentration of equal to or higher than 50% by mass; subject the concentrated solution to solvent extraction treatment, using a phosphate ester-based acidic extraction agent; add a neutralizing agent to the resultant extraction residual liquid; subject the solution to the neutralization treatment, and separate and recover nickel hydroxide generated.
摘要翻译：一种从硫酸水溶液中回收镍的方法，用于以有效利用的形式回收镍作为镍工业材料的原料，通过将铁，铝，锰等的杂质元素从含有镍和钴，以及杂质元素，铁，铝，锰等。该方法包括以下步骤：将硫酸水溶液进行氧化中和处理; 然后对溶液进行中和处理，分离回收含镍和钴的混合氢氧化物; 将混合氢氧化物溶解在浓度等于或高于50质量％的硫酸溶液中; 采用浓缩溶液进行溶剂萃取处理，使用磷酸酯类酸性提取剂; 向所得萃取残余液体中加入中和剂; 对溶液进行中和处理，并分离并回收生成的氢氧化镍。

8. 发明申请

US20110135547A1 METHOD FOR RECOVERING NICKEL FROM SULFURIC ACID AQUEOUS SOLUTION 有权
标题翻译：从硫酸水溶液中回收镍的方法
公开(公告)号：US20110135547A1
公开(公告)日：2011-06-09
申请号：US13057683
申请日：2010-02-02
申请人： Hiroshi Kobayashi , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Tatsuya Higaki
发明人： Hiroshi Kobayashi , Hirofumi Shoji , Norihisa Toki , Keiji Kudo , Tatsuya Higaki
IPC分类号： C01G53/04 , C01G51/04 , C01G51/00
CPC分类号： C01G45/003 , C01G51/003 , C01G51/04 , C01G53/003 , C01G53/04 , C22B3/44 , C22B23/043 , C22B23/0461 , Y02P10/234
摘要： A method for recovering nickel from an sulfuric acid aqueous solution, for recovering nickel in an effectively utilizable form as a raw material of nickel industry material, by separating efficiently impurity elements of iron, aluminum, manganese and the like, from the sulfuric acid aqueous solution containing nickel and cobalt, and the impurity elements, iron, aluminum, manganese and the like.The method is characterized by comprising the following steps (1) to (5). step (1): to subject the sulfuric acid aqueous solution to oxidation neutralization treatment. step (2): then, to subject the solution to neutralization treatment, and to separate and recover mixed hydroxides containing nickel and cobalt. step (3): to subject the mixed hydroxides to dissolution treatment in a sulfuric acid solution having a concentration of equal to or higher than 50% by mass. step (4): to subject the concentrated solution to solvent extraction treatment, using a phosphate ester-based acidic extraction agent. step (5): by adding a neutralizing agent to the resultant extraction residual liquid, to subject the solution to the neutralization treatment, and to separate and recover nickel hydroxide generated.
摘要翻译：从硫酸水溶液中回收镍的方法，通过从硫酸水溶液中有效地分离出铁，铝，锰等的杂质元素，以镍工业材料的原料回收镍，以有效利用的形式回收镍含有镍和钴，以及杂质元素，铁，铝，锰等。该方法的特征在于包括以下步骤（1）至（5）。步骤（1）：使硫酸水溶液进行氧化中和处理。步骤（2）：然后，使溶液进行中和处理，并分离和回收含有镍和钴的混合氢氧化物。步骤（3）：使混合氢氧化物在浓度等于或高于50质量％的硫酸溶液中进行溶解处理。步骤（4）：使用浓缩溶液进行溶剂萃取处理，使用磷酸酯基酸性提取剂。步骤（5）：通过向所得到的萃取残留液中加入中和剂，使溶液进行中和处理，分离并回收生成的氢氧化镍。

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