Comparative Kinetics of Complex Copper Oxide Ore Dissolution: Insights from Ball Grinding and IsaMill Grinding.
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| Title: | Comparative Kinetics of Complex Copper Oxide Ore Dissolution: Insights from Ball Grinding and IsaMill Grinding. |
|---|---|
| Authors: | Wang, Gairong1 (AUTHOR), Yang, Hongying2 (AUTHOR), Zhao, Suxing3 (AUTHOR), Liu, Yanhua4 (AUTHOR) liuyanhua1994@outlook.com |
| Source: | JOM: The Journal of The Minerals, Metals & Materials Society (TMS). Jul2025, Vol. 77 Issue 7, p5246-5258. 13p. |
| Subjects: | Diffusion control, Copper ores, Copper, Chemical reactions, Activation energy, Leaching |
| Abstract: | This study addresses the optimization of copper leaching by evaluating the kinetic impacts of ball grinding (BG) and IsaMill Grinding (IG) on the process. The shrinking core and Avrami models were employed to analyze the effects of temperature (35–75°C), H2SO4 concentration (0.2–1.5 M), leaching time (0.5–2.5 h), stirring speed (100–500 rpm), and solid/liquid ratio (0.10–0.30) on copper recovery. BG treatment delineated the leaching process into three distinct stages: a flash stage (0–2 min), a rapid stage (2–30 min), and a sluggish stage (30–120 min), with the rate-controlling step transitioning from film diffusion to chemical reaction and eventually to a mixed control mechanism. Conversely, IG treatment simplified the process into two stages, consistently governed by diffusion control. Notably, IG treatment significantly enhanced leaching efficiency, attributable to mechanical activation that lowers the activation energy, especially during the sluggish stage. Furthermore, IG can reduce acid consumption based on a low reaction order concerning acidity, optimizing overall process efficiency. These findings underscore the potential of IG as a superior method for copper leaching, offering both enhanced kinetics and reduced environmental impact. [ABSTRACT FROM AUTHOR] |
| Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 185966446 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Comparative Kinetics of Complex Copper Oxide Ore Dissolution: Insights from Ball Grinding and IsaMill Grinding. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Wang%2C+Gairong%22">Wang, Gairong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Hongying%22">Yang, Hongying</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Suxing%22">Zhao, Suxing</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yanhua%22">Liu, Yanhua</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> liuyanhua1994@outlook.com</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22JOM%3A+The+Journal+of+The+Minerals%2C+Metals+%26+Materials+Society+%28TMS%29%22">JOM: The Journal of The Minerals, Metals & Materials Society (TMS)</searchLink>. Jul2025, Vol. 77 Issue 7, p5246-5258. 13p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Diffusion+control%22">Diffusion control</searchLink><br /><searchLink fieldCode="DE" term="%22Copper+ores%22">Copper ores</searchLink><br /><searchLink fieldCode="DE" term="%22Copper%22">Copper</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+reactions%22">Chemical reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Activation+energy%22">Activation energy</searchLink><br /><searchLink fieldCode="DE" term="%22Leaching%22">Leaching</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This study addresses the optimization of copper leaching by evaluating the kinetic impacts of ball grinding (BG) and IsaMill Grinding (IG) on the process. The shrinking core and Avrami models were employed to analyze the effects of temperature (35–75°C), H2SO4 concentration (0.2–1.5 M), leaching time (0.5–2.5 h), stirring speed (100–500 rpm), and solid/liquid ratio (0.10–0.30) on copper recovery. BG treatment delineated the leaching process into three distinct stages: a flash stage (0–2 min), a rapid stage (2–30 min), and a sluggish stage (30–120 min), with the rate-controlling step transitioning from film diffusion to chemical reaction and eventually to a mixed control mechanism. Conversely, IG treatment simplified the process into two stages, consistently governed by diffusion control. Notably, IG treatment significantly enhanced leaching efficiency, attributable to mechanical activation that lowers the activation energy, especially during the sluggish stage. Furthermore, IG can reduce acid consumption based on a low reaction order concerning acidity, optimizing overall process efficiency. These findings underscore the potential of IG as a superior method for copper leaching, offering both enhanced kinetics and reduced environmental impact. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s11837-025-07348-5 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 13 StartPage: 5246 Subjects: – SubjectFull: Diffusion control Type: general – SubjectFull: Copper ores Type: general – SubjectFull: Copper Type: general – SubjectFull: Chemical reactions Type: general – SubjectFull: Activation energy Type: general – SubjectFull: Leaching Type: general Titles: – TitleFull: Comparative Kinetics of Complex Copper Oxide Ore Dissolution: Insights from Ball Grinding and IsaMill Grinding. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Wang, Gairong – PersonEntity: Name: NameFull: Yang, Hongying – PersonEntity: Name: NameFull: Zhao, Suxing – PersonEntity: Name: NameFull: Liu, Yanhua IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 10474838 Numbering: – Type: volume Value: 77 – Type: issue Value: 7 Titles: – TitleFull: JOM: The Journal of The Minerals, Metals & Materials Society (TMS) Type: main |
| ResultId | 1 |
