Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 358, P. 130251 - 130251
Published: Oct. 28, 2024
Language: Английский
Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 358, P. 130251 - 130251
Published: Oct. 28, 2024
Language: Английский
Minerals Engineering, Journal Year: 2024, Volume and Issue: 216, P. 108886 - 108886
Published: July 31, 2024
Language: Английский
Citations
9Separation and Purification Technology, Journal Year: 2025, Volume and Issue: 370, P. 133263 - 133263
Published: April 28, 2025
Language: Английский
Citations
0Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: 13(2), P. 115731 - 115731
Published: Feb. 6, 2025
Language: Английский
Citations
0Processes, Journal Year: 2025, Volume and Issue: 13(5), P. 1513 - 1513
Published: May 15, 2025
Heap leaching of copper is faced with a complex set challenges, including mineral heterogeneity, the formation passivating species, and need to regulate critical variables such as pH, redox potential (Eh), oxidant concentration, irrigation rate. If these factors are not properly managed, recovery reduced, significant environmental impacts may be generated, highlighting urgency for systematic sustainable approaches. To address this challenge, literature review (SLR) was conducted, screening 2344 documents selecting 106 primary sources analyze operational drivers considerations. Statistical methodologies (factorial designs, response surface methodology), multiscale modeling, laboratory column tests were used validate key variables, pH (1.5–2.0), Eh (600–750 mV), temperature (25–55 °C), rate (5–15 L/(h·m2)), acid concentration (0.5–2.0 M), emerging “green” reagents (e.g., glycine, organic surfactants). Precise control found reduce passivation, minimize fine-particle migration, improve extraction up 90%. The incorporation oxidizing agents Fe3+, H2O2) further accelerated dissolution while preventing unwanted precipitates. In parallel, bioleaching strategies maintained high recoveries lower chemical demand. Reviews pilot studies confirmed scalability optimized conditions, emphasizing both sustainability cost-effectiveness.
Language: Английский
Citations
0Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 358, P. 130251 - 130251
Published: Oct. 28, 2024
Language: Английский
Citations
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