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Classification Analysis of Blended Copper Concentrate Tablet Combustion Behavior by High-speed Imaging of Suspended Combustion Test and Convolutional Neural Network 利用高速悬浮燃烧试验成像和卷积神经网络对混合铜精矿片燃烧行为进行分类分析
Pub Date : 2024-08-09 DOI: 10.2473/journalofmmij.mmij-2024-006
S. Natsui, Yuko Goto, Jun-ichi Takahashi, Hiroshi Nogami
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引用次数: 0
キレート樹脂に吸着した3 価金属イオンの脱離挙動と脱離後の吸着挙動: スカンジウムと他の金属イオンとの比較 吸附在螯合树脂上的三价金属离子和解吸后的解吸行为:钪与其他金属离子的比较。
Pub Date : 2024-07-31 DOI: 10.2473/journalofmmij.140.117
Hiroto Watanabe, Satoshi Asano, Kuniaki Murase
{"title":"キレート樹脂に吸着した3 価金属イオンの脱離挙動と脱離後の吸着挙動: スカンジウムと他の金属イオンとの比較","authors":"Hiroto Watanabe, Satoshi Asano, Kuniaki Murase","doi":"10.2473/journalofmmij.140.117","DOIUrl":"https://doi.org/10.2473/journalofmmij.140.117","url":null,"abstract":"","PeriodicalId":16502,"journal":{"name":"Journal of Mmij","volume":"34 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141795519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
石灰石を多量に使用する素材産業における石灰石の有効性と石灰石添加割合の最適化 在使用大量石灰石的材料工业中优化石灰石和石灰石添加率的效果。
Pub Date : 2024-07-31 DOI: 10.2473/journalofmmij.140.112
Kazuyoshi Yamaguchi
{"title":"石灰石を多量に使用する素材産業における石灰石の有効性と石灰石添加割合の最適化","authors":"Kazuyoshi Yamaguchi","doi":"10.2473/journalofmmij.140.112","DOIUrl":"https://doi.org/10.2473/journalofmmij.140.112","url":null,"abstract":"","PeriodicalId":16502,"journal":{"name":"Journal of Mmij","volume":"43 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141795403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
低グラファイト化度炭素質難処理金鉱石に対するチオ尿素金抽出の優位性 硫脲提金法在低石墨碳质难选冶金矿中的优势。
Pub Date : 2024-03-30 DOI: 10.2473/journalofmmij.140.8
Ikumi Suyama, Kojo T.KONADU, Keiko Sasaki
{"title":"低グラファイト化度炭素質難処理金鉱石に対するチオ尿素金抽出の優位性","authors":"Ikumi Suyama, Kojo T.KONADU, Keiko Sasaki","doi":"10.2473/journalofmmij.140.8","DOIUrl":"https://doi.org/10.2473/journalofmmij.140.8","url":null,"abstract":"","PeriodicalId":16502,"journal":{"name":"Journal of Mmij","volume":"14 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140361478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electroforming Processing for Nano/Micro Fabrication 用于纳米/微制造的电铸工艺
Pub Date : 2024-01-31 DOI: 10.2473/journalofmmij.140.1
Takayo Yamamoto, T. Nagayama
{"title":"Electroforming Processing for Nano/Micro Fabrication","authors":"Takayo Yamamoto, T. Nagayama","doi":"10.2473/journalofmmij.140.1","DOIUrl":"https://doi.org/10.2473/journalofmmij.140.1","url":null,"abstract":"","PeriodicalId":16502,"journal":{"name":"Journal of Mmij","volume":"745 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140476319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
衝撃試験とD E M シミュレーションによる電子スクラップの単体分離機構の考察 通过冲击试验和 D E M 模拟,考虑电子废料单体分离的机理。
Pub Date : 2023-12-29 DOI: 10.2473/journalofmmij.139.52
Takuya Tatsumoto, Yuki Tsunazawa, Taketoshi Koita, Yutaro Takaya, Keishi Oyama, Chiharu Tokoro
{"title":"衝撃試験とD E M シミュレーションによる電子スクラップの単体分離機構の考察","authors":"Takuya Tatsumoto, Yuki Tsunazawa, Taketoshi Koita, Yutaro Takaya, Keishi Oyama, Chiharu Tokoro","doi":"10.2473/journalofmmij.139.52","DOIUrl":"https://doi.org/10.2473/journalofmmij.139.52","url":null,"abstract":"","PeriodicalId":16502,"journal":{"name":"Journal of Mmij","volume":"6 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139147882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
1 級アミンによる塩酸水溶液からのルテニウムの溶媒抽出特性 从一级胺的盐酸水溶液中提取钌的溶剂特性
Pub Date : 2023-10-31 DOI: 10.2473/journalofmmij.139.47
Shota TAKEMASA, Katsuya MOROI, Yuya SHIMOMAE, Tomohiro Ishibashi, Ryuichi Nishimura, Masakazu NIINAE
Ru(III) chlorocomplexes are poorly extracted into organic solvents, which is due to the charge of the complex as well as those inert character in chloride solutions, that is, formation of RuCl6-n(H2O)n(3-n)- (n=0-6). Therefore, it is difficult to extract Ru(III) by solvent extraction, and Ru(III) is currently separated and purified by the oxidative distillation method. If Ru can be separated and recovered from chloride solutions by solvent extraction, an efficient separation and recovery process for PGMs can be established. Therefore, it is important to investigate the solvent extraction of Ru(III) from chloride solutions. The authors have previously studied solvent extraction of Ru(III) with 2-ethylhexylamine (EHA), which is a primary amine extractant, from chloride solutions and shown that the extraction of Ru(III) with EHA from chloride solutions without the addition of Sn (II)was high. However, the stripping of Ru(III) was difficult. In the present study, extractions of Ru from hydrochloric acid solutions with EHA and octylamine (OA), which are primary amines, were tested to clarify the extraction of Ru and the stripping of Ru with various stripping solutions. The extraction efficiency of Ru with EHA and OA from hydrochloric acid solutions without the addition of Sn (II) was high. And also, it was found that Ru could be easily stripped from EHA with sodium sulfate solutions.
Ru(III)配合物很难被有机溶剂萃取,这是由于配合物的电荷以及在氯溶液中的惰性特性,即形成RuCl6-n(H2O)n(3-n)- (n=0-6)。因此,用溶剂萃取法提取Ru(III)比较困难,目前Ru(III)是用氧化蒸馏法分离纯化的。如果通过溶剂萃取可以从氯化物溶液中分离和回收Ru,则可以建立一个高效的分离和回收pgm的工艺。因此,研究从氯化物溶液中萃取Ru(III)的方法具有重要的意义。作者先前研究了用伯胺萃取剂2-乙基己胺(EHA)从氯化物溶液中萃取Ru(III),结果表明,在不添加Sn (II)的情况下,用EHA从氯化物溶液中萃取Ru(III)的效率很高。然而,Ru(III)的剥离是困难的。本研究以EHA和辛胺(OA)作为伯胺从盐酸溶液中提取Ru为研究对象,阐明了不同萃取溶液对Ru的萃取和萃取效果。在不添加Sn (II)的情况下,用EHA和OA从盐酸溶液中萃取Ru的效率较高。同时,还发现用硫酸钠溶液可以很容易地从EHA中剥离钌。
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引用次数: 0
酸性硫酸銅水溶液中における銅と銀および亜鉛のガルバニック対の電気化学的挙動とその場観察 酸性硫酸铜水溶液中铜、银和锌对伽巴尼克的电化学行为和当场观察
Pub Date : 2023-09-30 DOI: 10.2473/journalofmmij.139.39
Yasushi TAKASAKI, Shoichi KAWAKAMI, Hinako KUBO, Hiroyuki KANEKO
The anodic dissolution reaction of copper in copper electro-refining was studied by considering the reaction of galvanic couples with different metals as impurities. In this study, zinc was chosen as a typical anodic impurity and silver as a cathodic impurity, and electrochemical measurements of galvanic couples with silver or zinc wires winding around a copper wire and in situ observation of the electrode surface using a stereo microscope were carried out. For comparison, copper wire with zinc or silver plating was used. As a result, even the simple method of winding silver or zinc wire around copper wire was able to capture the characteristic behavior of the galvanic reaction of silver and zinc on copper wire. It was also confirmed that zinc dissolution was accelerated by copper and copper dissolution was accelerated by silver, and that the effects were more promoted under anodic polarization. The crystallization and passivation of copper sulfate on the copper electrode surface and the dissolution behavior of silver were also observed. These results indicate that the experimental method presented in this study is an effective way to investigate the effects of impurities on the solubility and passivation of crude copper metal.
考虑不同金属作为杂质的电偶反应,研究了铜电精炼过程中铜的阳极溶解反应。本研究选择锌作为典型的阳极杂质,银作为典型的阴极杂质,用银线或锌线缠绕在铜线上对电偶进行了电化学测量,并使用立体显微镜对电极表面进行了原位观察。相比之下,使用镀锌或镀银的铜线。因此,即使是简单的将银线或锌线缠绕在铜线上的方法也能够捕捉到铜线上银和锌的电反应的特征行为。还证实了铜对锌的溶解有加速作用,银对铜的溶解有加速作用,且在阳极极化条件下效果更明显。观察了硫酸铜在铜电极表面的结晶和钝化过程以及银的溶解行为。这些结果表明,本实验方法是研究杂质对粗铜金属溶解度和钝化影响的有效方法。
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引用次数: 0
北海道精進川鉱山における坑廃水及び河川の水質の長期変化 北海道精进川矿山的矿坑废水及河川水质的长期变化
Pub Date : 2023-08-31 DOI: 10.2473/journalofmmij.139.21
S. Norota, Y. Iwasaki, Tagiru Ogino
{"title":"北海道精進川鉱山における坑廃水及び河川の水質の長期変化","authors":"S. Norota, Y. Iwasaki, Tagiru Ogino","doi":"10.2473/journalofmmij.139.21","DOIUrl":"https://doi.org/10.2473/journalofmmij.139.21","url":null,"abstract":"","PeriodicalId":16502,"journal":{"name":"Journal of Mmij","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84293341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Technological Development Trends in Platinum Group Metal Recycling 铂族金属回收技术发展趋势
Pub Date : 2023-08-31 DOI: 10.2473/journalofmmij.139.29
Yu-ki Taninouchi, H. Toru
{"title":"Technological Development Trends in Platinum Group Metal Recycling","authors":"Yu-ki Taninouchi, H. Toru","doi":"10.2473/journalofmmij.139.29","DOIUrl":"https://doi.org/10.2473/journalofmmij.139.29","url":null,"abstract":"","PeriodicalId":16502,"journal":{"name":"Journal of Mmij","volume":"155 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78058576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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