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21. 发明专利

JP5481966B2 Method of separation and recovery element to co-exist in the iron scrap 有权
公开(公告)号：JP5481966B2
公开(公告)日：2014-04-23
申请号：JP2009152515
申请日：2009-06-26
申请人：新日鐵住金株式会社
发明人：英樹小野 , 高郁山本 , 将嗣中本 , 建夫碓井 , 勝弘山口
IPC分类号： C22B9/02 , C22B7/00 , C22B15/00 , C22B19/30 , C22B23/00 , C22B25/06 , C22B34/20 , C22B34/30
CPC分类号： C22B7/003 , C22B9/02 , C22B15/0056 , Y02P10/22 , Y02P10/234 , Y02P10/236

22. 发明专利

JP2012224876A Method for recovering valuable metal 有权
标题翻译：恢复有价值金属的方法
公开(公告)号：JP2012224876A
公开(公告)日：2012-11-15
申请号：JP2011090724
申请日：2011-04-15
申请人： Sumitomo Metal Mining Co Ltd , 住友金属鉱山株式会社
发明人： TAKAHASHI JUNICHI , MORI KAZUHIRO
IPC分类号： C22B7/00 , C22B9/10 , C22B23/02 , H01M10/54
CPC分类号： H01M10/54 , C21B3/02 , C21B11/10 , C22B1/02 , C22B7/001 , C22B7/006 , C22B15/0039 , C22B15/0056 , C22B21/0084 , C22B23/02 , C22B23/023 , Y02P10/214 , Y02P10/234 , Y02W30/54 , Y02W30/84
摘要： PROBLEM TO BE SOLVED: To provide a method that improves a recovery rate of valuable metals by reducing viscosity of slag when performing dry processing of a discarded battery, such as a lithium-ion battery.SOLUTION: The method for recovering valuable metals includes a dry step S20 including: a melting step ST21 of obtaining a molten material by melting a discarded battery containing aluminum and iron; a slag separation step ST22 of separating slag from the molten material; and an alloy separation step ST23 of separating an alloy of valuable metals from the molten material, wherein the slag has an aluminum oxide content of 5 mass% or higher but less than 20 mass% and an iron content in terms of metallic iron of 20-40 mass%. Furthermore, silicon oxide and calcium oxide are added as a flux in the melting step ST21 so that the slag has a melting point of 1,400°C or lower, and the melting step ST21 is conducted at 1,400°C or lower. Thus, since the slag has a reduced viscosity and hence is easy to separate from the alloy, the recovery rate of the alloy can be improved and also the operation at a low temperature of 1,400°C or lower becomes possible.
摘要翻译：要解决的问题：提供一种通过在对废弃电池例如锂离子电池进行干法处理时减少渣的粘度来提高有价金属的回收率的方法。解决方案：回收贵重金属的方法包括：干步骤S20，包括：熔融步骤ST21，通过熔化含有铝和铁的废弃电池获得熔融材料; 将渣从熔融材料分离的渣分离步骤ST22; 以及从熔融材料中分离有价金属的合金的合金分离工序ST23，其中，所述炉渣的氧化铝含量为5质量％以上且小于20质量％，铁含量为20〜 40质量％。此外，在熔融步骤ST21中，作为助熔剂添加氧化硅和氧化钙，使炉渣的熔点为1400℃以下，熔融步骤ST21在1400℃以下进行。因此，由于渣具有降低的粘度，因此容易与合金分离，因此可以提高合金的回收率，并且可以在1400℃以下的低温下进行操作。版权所有（C）2013，JPO＆INPIT

23. 发明专利

JP2012149298A Method for recovering pgm 有权
标题翻译：恢复PGM的方法
公开(公告)号：JP2012149298A
公开(公告)日：2012-08-09
申请号：JP2011008293
申请日：2011-01-18
申请人： Dowa Metals & Mining Co Ltd , Dowaメタルマイン株式会社
发明人： NAKAMURA YUZURU , KAWASAKI MINORU , YAMAGUCHI BENKO
IPC分类号： C22B11/02 , B01J23/42 , B01J38/00 , B09B3/00 , C22B7/00 , C22B7/04 , C22B9/10
CPC分类号： C22B11/02 , C22B11/021 , C22B11/026 , C22B15/0002 , C22B15/0056 , C22B15/0058 , Y02P10/214 , Y02W30/54
摘要： PROBLEM TO BE SOLVED: To provide a method for suppressing distribution of PGM to CuO slag in oxidation smelting in a method for recovering PGM.SOLUTION: The method for recovering PGM comprises: a reduction smelting step of reduction-smelting a PGM-containing member to be processed, Cu and/or CuO and a reducing flux to produce molten slag and a PGM-containing Cu alloy; and an oxidation smelting step of oxidation-smelting the PGM-containing Cu alloy to produce PGM-containing CuO slag and a Cu alloy having a PGM concentration higher than the PGM-containing Cu alloy. In the oxidation smelting step, an acidic oxide or a basic oxide is added.
摘要翻译：待解决的问题：提供一种在回收PGM的方法中抑制氧化熔炼中PGM分解为Cu 2 O的方法。解决方案：用于回收PGM的方法包括：还原熔炼待处理的含PGM的构件的还原熔炼步骤，Cu和/或Cu 2 < 减少熔渣产生熔渣和含PGM的Cu合金; 以及氧化熔炼含PGM的Cu合金以产生含PGM的Cu

24. 发明专利

JP4903753B2 Process for the recovery of valuable metals from waste 有权
公开(公告)号：JP4903753B2
公开(公告)日：2012-03-28
申请号：JP2008144732
申请日：2008-06-02
申请人：小泉哲之
发明人：小泉哲之
IPC分类号： C22B1/00 , B09B5/00
CPC分类号： C22B1/005 , C22B7/001 , C22B7/005 , C22B11/025 , C22B15/0056 , H05K1/0366 , H05K3/22 , H05K2203/1105 , H05K2203/178 , Y02P10/214 , Y02P10/22 , Y02P10/236 , Y02P70/611 , Y02P70/613
摘要： A method of recovering valuable metals from a waste including: heating the waste at a temperature and for a period of time such that a glass fiber does not melt but degrades to the extent that it becomes pulverizable, wherein conditions of the temperature and period of time are selected from a group consisting of a range of more than or equal to 750° C. and less than 800° C. for 30-40 minutes, a range of more than or equal to 800° C. and less than 900° C. for 10-40 minutes, a range of more than or equal to 900° C. and less than 950° C. for 10-30 minutes, a range of more than or equal to 950° C. and less than 1000° C. for 10-20 minutes, and a range of 1000° C. for about 10 minutes; removing the degraded glass fiber; and recovering valuable metals contained in the waste.

25. 发明专利

JP2010133002A Method for removing copper contained in steel scraps 有权
标题翻译：用于去除钢丝塞中的铜的方法
公开(公告)号：JP2010133002A
公开(公告)日：2010-06-17
申请号：JP2009006297
申请日：2009-01-15
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OGASAWARA FUTOSHI , UCHIDA YUICHI , KISHIMOTO YASUO , MATSUI AKITOSHI
IPC分类号： C21C1/04 , C21C1/02 , C22B7/00 , C22B9/10
CPC分类号： C22B9/106 , C21C1/025 , C21C7/0645 , C21C2200/00 , C22B1/005 , C22B9/10 , C22B15/0056 , Y02P10/214 , Y02P10/22 , Y02P10/234 , Y02P10/236
摘要： PROBLEM TO BE SOLVED: To provide a method for efficiently removing copper contained in steel scraps without needing a large-scaled facility, when a high-grade steel is produced by using the copper-containing steel scraps as an iron source.
SOLUTION: The method for removing the copper contained in the steel scraps, is performed as the followings that the copper-containing steel scrap is carburize-melted to produce molten iron for steel-making, and thereafter, the copper contained in this molten iron is removed by using sulfur-containing flux, and successively, the sulfur contained in the molten iron is removed. In this case, as the sulfur-containing flux, it is preferable to use the flux mainly containing Na
2 S, and it is preferable that the removal-treatment of the copper contained in the molten iron is performed with a mechanical-stirring type refining equipment or with a flux injection method.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于有效地除去钢屑中所含的铜而不需要大规模设备的方法，当通过使用含铜钢屑作为铁源生产高级钢时。解决方案：除去钢屑中含有的铜的方法，是将含铜废钢渗碳熔融以制造用于炼钢的铁水，其后，含有的铜通过使用含硫助焊剂去除铁水，并且依次将铁水中所含的硫除去。在这种情况下，作为含硫助焊剂，优选使用主要含有Na 2 S 2 S的焊剂，优选对铁水中所含的铜进行除去处理使用机械搅拌型精炼设备或通过注射喷射法。版权所有（C）2010，JPO＆INPIT

26. 发明专利

JPWO2006035570A1 加熱処理装置及び加熱処理方法有权
公开(公告)号：JPWO2006035570A1
公开(公告)日：2008-05-15
申请号：JP2006537656
申请日：2005-09-01
申请人：日本坩堝株式会社
发明人：岡田　民雄 , 民雄岡田 , 碩重光 , 碩重光 , 忠男佐々木 , 忠男佐々木 , 吉川　英雄 , 英雄吉川 , 克行白川 , 克行白川 , 了一岸田 , 了一岸田 , 晋之介竹内 , 晋之介竹内 , 繁大須賀 , 繁大須賀 , 文明大澤 , 文明大澤
IPC分类号： F23G5/00 , B09B3/00 , C22B7/00 , C22B21/06 , F27B14/08 , F27D3/14 , F27D13/00 , F27D17/00 , F27D21/02
CPC分类号： F23G5/18 , C22B7/001 , C22B15/0056 , F23G5/0276 , F23G5/16 , F23G5/32 , F23G2202/10 , F23G2202/20 , F23J1/08 , F23M11/045 , F27B14/02 , F27B14/0806 , F27B14/10 , F27B14/14 , F27B14/143 , F27D17/001 , Y02P10/214 , Y02P10/22
摘要：燃焼室(13)を有する装置本体(10)と、燃焼室(13)に加熱気体を供給する燃焼バーナ(20)と、燃焼室(13)で発生した燃焼ガスを外部に排出する煙道と、燃焼室(13)に収容される加熱容器(15)とを備え、加熱容器(15)は、有底で上部に開口を有し、該開口が蓋体(16)により開閉自在とされており、蓋体(16)を閉じた状態で燃焼室(13)の上部と連通する連通部(153)が形成されている加熱処理装置である。この加熱処理装置によれば、処理中に発生する排出ガスをクリーンに保つことができると共に、廃棄物中に有価金属が含まれる場合にはこれを効率良く回収することができる。

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