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1. 发明授权

US5702591A Flotation method for non-ferrous metal variable ores 失效
标题翻译：有色金属可变矿石浮选方法
公开(公告)号：US5702591A
公开(公告)日：1997-12-30
申请号：US596039
申请日：1996-02-06
申请人： Hideyuki Okamoto , Hiroichi Miyashita , Ryoichi Nakayama
发明人： Hideyuki Okamoto , Hiroichi Miyashita , Ryoichi Nakayama
IPC分类号： B03D1/012 , B03D1/02 , B03D1/06 , B03D1/002
CPC分类号： B03D1/06 , B03D1/002 , B03D1/02 , B03D2201/06
摘要： The present invention concerns a method of separating variable ores containing copper, lead, zinc and the like as the refining material for non-ferrous metals and gangue minerals such as pyrite, quartz, feld spar and the like from dug out ores and, particularly, it relates to a flotation method. For obtaining non-ferrous metal valuable ores as concentrates from ores by a flotation method, flotation is conducted by using gaseous sulfurous acid or aqueous sulfurous acid as a depressant for controlling the floatability of pyrite. The flotation method comprises measuring the redox potential of an ore solution before and after the addition of gaseous sulfurous acid or aqueous sulfurous acid and determining an optimum addition amount by utilizing a proportional relationship present between the difference of the potential and the valuable quality enhancing rate. According to the method, it is possible to judge the effect of depressing pyrite, that is, the effect of sulfurous acid for enhancing the valuable quality without complicate analysis or test and, further, when the method is applied to automatic control, an utmost economical merit can be obtained by quality control of concentrates or saving of wasteful consumption of the reagent.
摘要翻译：本发明涉及一种分离含有铜，铅，锌等的可变矿石作为有色金属和脉石矿物如黄铁矿，石英，eld石等的精炼材料的方法，其特征在于，它涉及一种浮选方法。为了通过浮选法从矿石中获得有色金属矿石作为矿石，通过使用气态亚硫酸或亚硫酸钠作为控制黄铁矿浮选性的抑制剂进行浮选。浮选方法包括在添加气态亚硫酸或亚硫酸气体之前和之后测量矿石溶液的氧化还原电位，并通过利用潜在的差异和有价值的质量提高率之间存在的比例关系确定最佳添加量。根据该方法，可以判断黄铁矿的效果，即亚硫酸对提高有价值质量的效果，无需复杂的分析或试验，此外，当该方法应用于自动控制时，是最经济的可以通过浓缩物的质量控制或节省浪费的试剂来获得优点。

2. 发明授权

US08960444B2 Method for separating arsenic mineral from copper-bearing material with high arsenic grade 有权
标题翻译：从砷含量高的含砷材料中分离出砷矿物的方法
公开(公告)号：US08960444B2
公开(公告)日：2015-02-24
申请号：US12737333
申请日：2009-10-27
申请人： Daishi Ochi , Hideyuki Okamoto , Yoshihisa Takahashi , Yuji Aoki , Hiroichi Miyashita , Shigeto Kuroiwa
发明人： Daishi Ochi , Hideyuki Okamoto , Yoshihisa Takahashi , Yuji Aoki , Hiroichi Miyashita , Shigeto Kuroiwa
IPC分类号： B03D1/002 , B03D1/02 , B03D1/06 , C22B15/00 , B03D1/012 , C22B30/04
CPC分类号： C22B15/0008 , B03D1/002 , B03D1/01 , B03D1/012 , B03D1/02 , B03D2201/06 , B03D2203/02 , C22B30/04
摘要： There is provided a method for separating an arsenic mineral from a copper-bearing material containing arsenic, such as a copper ore or a copper concentrate, to obtain a copper concentrate with low arsenic grade.The method for separating an arsenic mineral from a copper-bearing material by flotation includes adding a flotation agent containing a depressant, a frother, and a collector to a slurry composed of a copper-bearing material containing arsenic, and blowing air into the slurry to float a copper concentrate, wherein the depressant is sodium thiosulfate. The sodium thiosulfate is preferably added in an amount of 10 kg or more and 200 kg or less in terms of sodium thiosulfate pentahydrate per ton of copper-bearing material to be subjected to flotation. Further, the oxidation-reduction potential of the slurry to be subjected to flotation, as measured against a silver/silver chloride reference electrode, is preferably −10 mV or more and 50 mV or less.
摘要翻译：提供了从含有砷的含铜材料如铜矿石或铜精矿中分离砷矿物的方法，以获得砷含量低的铜精矿。通过浮选从含铜材料中分离砷矿物的方法包括将含有抑制剂，起泡剂和集电体的浮选剂添加到由含砷的含铜材料构成的浆料中，并将空气吹入浆料中漂浮铜精矿，其中抑制剂是硫代硫酸钠。硫代硫酸钠优选以每吨待进行浮选的含铜材料的硫代硫酸钠五水合物计为10kg以上200kg以下。此外，相对于银/氯化银参考电极测量的要进行浮选的浆料的氧化还原电位优选为-10mV以上且50mV以下。

3. 发明申请

US20110094942A1 METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL WITH HIGH ARSENIC GRADE 有权
标题翻译：用高分辨率分离铜轴承材料的方法
公开(公告)号：US20110094942A1
公开(公告)日：2011-04-28
申请号：US12737333
申请日：2009-10-27
申请人： Daishi Ochi , Hideyuki Okamoto , Yoshihisa Takahashi , Yuji Aoki , Hiroichi Miyashita , Shigeto Kuroiwa
发明人： Daishi Ochi , Hideyuki Okamoto , Yoshihisa Takahashi , Yuji Aoki , Hiroichi Miyashita , Shigeto Kuroiwa
IPC分类号： C22B1/11 , B03D1/001 , B03D1/02
CPC分类号： C22B15/0008 , B03D1/002 , B03D1/01 , B03D1/012 , B03D1/02 , B03D2201/06 , B03D2203/02 , C22B30/04
摘要： There is provided a method for separating an arsenic mineral from a copper-bearing material containing arsenic, such as a copper ore or a copper concentrate, to obtain a copper concentrate with low arsenic grade.The method for separating an arsenic mineral from a copper-bearing material by flotation includes adding a flotation agent containing a depressant, a frother, and a collector to a slurry composed of a copper-bearing material containing arsenic, and blowing air into the slurry to float a copper concentrate, wherein the depressant is sodium thiosulfate. The sodium thiosulfate is preferably added in an amount of 10 kg or more and 200 kg or less in terms of sodium thiosulfate pentahydrate per ton of copper-bearing material to be subjected to flotation. Further, the oxidation-reduction potential of the slurry to be subjected to flotation, as measured against a silver/silver chloride reference electrode, is preferably −10 mV or more and 50 mV or less.
摘要翻译：提供了从含有砷的含铜材料如铜矿石或铜精矿中分离砷矿物的方法，以获得砷含量低的铜精矿。通过浮选从含铜材料中分离砷矿物的方法包括将含有抑制剂，起泡剂和集电体的浮选剂添加到由含砷的含铜材料构成的浆料中，并将空气吹入浆料中漂浮铜精矿，其中抑制剂是硫代硫酸钠。硫代硫酸钠优选以每吨待进行浮选的含铜材料的硫代硫酸钠五水合物计为10kg以上200kg以下。此外，相对于银/氯化银参考电极测量的要进行浮选的浆料的氧化还原电位优选为-10mV以上且50mV以下。

4. 发明授权

US4663279A Method of beneficiation of complex sulfide ores 失效
标题翻译：复杂硫化矿选矿方法
公开(公告)号：US4663279A
公开(公告)日：1987-05-05
申请号：US883280
申请日：1986-07-11
申请人： Hiroichi Miyashita , Hajime Nakazawa , Masayuki Hisatsune
发明人： Hiroichi Miyashita , Hajime Nakazawa , Masayuki Hisatsune
IPC分类号： B01D35/06 , B03B9/00 , B03C1/00 , B03C1/025 , B03D1/06 , B03D1/00
CPC分类号： B03C1/002 , B03B9/00 , B03D1/06
摘要： A method of beneficiation of complex sulfide ores comprises crushing and grinding complex sulfide ore containing sulfides of copper, zinc, iron and other minerals, subjecting the ground ores to differential flotation to obtain a bulk copper-zinc concentrate which is separate from pyrite and gangue, and passing the bulk copper-zinc concentrate through a high-gradient magnetic separator having an open-bore magnetic field filled with a matrix element, so as to recover separately a magnetic copper concentrate and a non-magnetic zinc concentrate. By combining the differential flotation with high-gradient magnetic separation, the present invention enables individual separation of copper and zinc concentrates without using many reagents in high volumes and by a simple process control.
摘要翻译：复合硫化矿选矿方法包括粉碎和研磨含有铜，锌，铁等矿物硫化物的复合硫化矿，对地矿进行差分浮选，得到与黄铁矿和ang石分离的大块铜锌精矿，并且通过具有填充有基质元素的开孔磁场的高梯度磁选机使本体铜锌浓缩物通过，以分别回收磁性铜精矿和非磁性锌精矿。通过将差分浮选与高梯度磁选分离结合，本发明能够在不使用大量的许多试剂的情况下，通过简单的工艺控制，能够分离铜和锌精矿。

5. 发明授权

US4584107A Method of treating effluents containing sulfur oxides 失效
标题翻译：处理含硫氧化物的废水的方法
公开(公告)号：US4584107A
公开(公告)日：1986-04-22
申请号：US714259
申请日：1985-03-21
申请人： Takeo Odaka , Hiroichi Miyashita
发明人： Takeo Odaka , Hiroichi Miyashita
IPC分类号： C02F1/66 , C02F1/68 , C02F1/78 , C02F1/28 , C01B17/00
CPC分类号： C02F1/78
摘要： A method of treating effluents containing sulfur oxide ions, such as sulfite ions, thiosulfate ions, thionate ions and bisulfite ions, comprises blowing ozone-containing air into the effluent to reduce the COD level in the effluent to 6 mg/l or below, and neutralizing the so treated effluent with an alkali. This method is capable of producing neutral effluents with small equipment and within a short period of time, and the treated effluent will not experience an appreciable drop in the pH even if it is left to stand for a prolonged period.
摘要翻译：处理含有硫氧化物离子的流出物如亚硫酸根离子，硫代硫酸根离子，硫酸根离子和亚硫酸氢根离子的方法包括将含臭氧的空气吹入流出物中以将流出物中的COD水平降至6mg / l或更低，以及用碱中和如此处理的流出物。该方法能够在短时间内产生具有小设备的中性流出物，并且处理的废水即使长时间放置也不会出现明显的pH下降。

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