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Mechanism and Kinetics of Scandium Extraction from High-Pressure Leachate of Iron-Aluminum Residue 铁铝渣高压渗滤液中钪的萃取机理及动力学研究
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-15 DOI: 10.1007/s11837-026-08616-8
Yunpeng Du, Chunmin Zhang, Yihui Chen, Jingning Yang, Wenwei Wu
{"title":"Mechanism and Kinetics of Scandium Extraction from High-Pressure Leachate of Iron-Aluminum Residue","authors":"Yunpeng Du,&nbsp;Chunmin Zhang,&nbsp;Yihui Chen,&nbsp;Jingning Yang,&nbsp;Wenwei Wu","doi":"10.1007/s11837-026-08616-8","DOIUrl":"10.1007/s11837-026-08616-8","url":null,"abstract":"<div><p>Laterite nickel ore, a crucial resource for nickel production, contains associated rare earth scandium (Sc) at 50–80 g/ton, which is difficult to extract directly from the raw ore. Currently, the high-pressure acid leaching (HPAL) process for laterite nickel ore is becoming mainstream; during this primary HPAL step, Sc remains in the solid residue because the leaching conditions are optimized for Ni and Co recovery. The Sc-bearing iron‑aluminum residue is then subjected to a second HPAL step with higher acidity and temperature, which effectively dissolves Sc. However, this second HPAL step dissolved not only Sc but also Fe and Al, necessitating selective Sc extraction from the leachate. This study systematically investigated the extraction efficiency of Sc using a binary system of bis(2,4,4-trimethylpentyl)phosphinic acid (Cyanex 272) and di(2-ethylhexyl) (2-ethylhexyl) phosphonate (Cextrant 230), employing leachate generated from prior experiments. At a Cyanex 272 molar fraction of 0.6 (total extractant concentration 0.1 mol/L, room temperature, aqueous-to-organic phase ratio 1:1), the system exhibited optimal synergistic extraction for Sc, achieving separation coefficients of 2.89 and 2.35 for Fe and Al, respectively. Based on these findings, the chemical formula of the final extracted complex was determined via the slope analysis method. Furthermore, the kinetics and mass transfer processes of the extraction reaction were systematically studied using the constant interfacial cell technique. The extraction of Sc<sup>3+</sup> by the Cyanex 272-Cextrant 230 system was identified as a first-order reaction. The forward extraction rate was found to be governed by a mixed diffusion-and-chemical-reaction mechanism, with the reaction occurring at the organic-aqueous interface. A rate equation was derived based on the extraction mechanism calculations. This research provides valuable insights for Sc recovery from laterite nickel ore.</p></div>","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"9055 - 9066"},"PeriodicalIF":2.3,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The 2025 TMS Annual Financial Report TMS 2025年度财务报告
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-09 DOI: 10.1007/s11837-026-08721-8
Dan Miracle, Trudi Dunlap
{"title":"The 2025 TMS Annual Financial Report","authors":"Dan Miracle,&nbsp;Trudi Dunlap","doi":"10.1007/s11837-026-08721-8","DOIUrl":"10.1007/s11837-026-08721-8","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8824 - 8825"},"PeriodicalIF":2.3,"publicationDate":"2026-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investing in Tomorrow's Leaders: The TMS Foundation 2025 Annual Report 投资明日领袖:TMS基金会2025年年度报告
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-08 DOI: 10.1007/s11837-026-08723-6
{"title":"Investing in Tomorrow's Leaders: The TMS Foundation 2025 Annual Report","authors":"","doi":"10.1007/s11837-026-08723-6","DOIUrl":"10.1007/s11837-026-08723-6","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8826 - 8829"},"PeriodicalIF":2.3,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cast Shop 2026: A Course Report—and an Invitation to the Next 铸造车间2026:课程报告和下一个邀请
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-08 DOI: 10.1007/s11837-026-08720-9
Samuel R. Wagstaff
{"title":"Cast Shop 2026: A Course Report—and an Invitation to the Next","authors":"Samuel R. Wagstaff","doi":"10.1007/s11837-026-08720-9","DOIUrl":"10.1007/s11837-026-08720-9","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8815 - 8816"},"PeriodicalIF":2.3,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Opening Ideas 开放的想法
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-08 DOI: 10.1007/s11837-026-08715-6
Kelly Zappas
{"title":"Opening Ideas","authors":"Kelly Zappas","doi":"10.1007/s11837-026-08715-6","DOIUrl":"10.1007/s11837-026-08715-6","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8805 - 8805"},"PeriodicalIF":2.3,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Connecting in California: A Recap of TMS Specialty Congress 2026 连接在加州:TMS专业大会2026回顾
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-03 DOI: 10.1007/s11837-026-08722-7
Megan Enright
{"title":"Connecting in California: A Recap of TMS Specialty Congress 2026","authors":"Megan Enright","doi":"10.1007/s11837-026-08722-7","DOIUrl":"10.1007/s11837-026-08722-7","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8817 - 8823"},"PeriodicalIF":2.3,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blurring Boundaries: Scaling Climate Tech for Tomorrow with Alex Cruz 模糊界限:与亚历克斯·克鲁兹一起为明天扩展气候技术
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-03 DOI: 10.1007/s11837-026-08719-2
Kaitlin Calva
{"title":"Blurring Boundaries: Scaling Climate Tech for Tomorrow with Alex Cruz","authors":"Kaitlin Calva","doi":"10.1007/s11837-026-08719-2","DOIUrl":"10.1007/s11837-026-08719-2","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8812 - 8814"},"PeriodicalIF":2.3,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TMS Meeting Headlines TMS会议头条
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-03 DOI: 10.1007/s11837-026-08724-5
{"title":"TMS Meeting Headlines","authors":"","doi":"10.1007/s11837-026-08724-5","DOIUrl":"10.1007/s11837-026-08724-5","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8830 - 8830"},"PeriodicalIF":2.3,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TMS Member News TMS会员新闻
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-03 DOI: 10.1007/s11837-026-08717-4
{"title":"TMS Member News","authors":"","doi":"10.1007/s11837-026-08717-4","DOIUrl":"10.1007/s11837-026-08717-4","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8808 - 8809"},"PeriodicalIF":2.3,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
JOM Technical Topics JOM技术主题
IF 2.3 4区 材料科学
JOM Pub Date : 2026-09-03 DOI: 10.1007/s11837-026-08716-5
{"title":"JOM Technical Topics","authors":"","doi":"10.1007/s11837-026-08716-5","DOIUrl":"10.1007/s11837-026-08716-5","url":null,"abstract":"","PeriodicalId":605,"journal":{"name":"JOM","volume":"78 10","pages":"8806 - 8807"},"PeriodicalIF":2.3,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","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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