A green cycle strategy for selective leach and recovery of critical metals from spent lithium-ion batteries: experimental and new mechanistic insights

Journal of Hazardous Materials, Journal Year: 2025, Volume and Issue: unknown, P. 137368 - 137368

Published: Jan. 1, 2025

Language: Английский

Temperature-Dependent Crystallization Optimization for Upcycling Purified Ash from the Calcium Carbide Industry: A Sustainable Approach for Mg(OH)2/Aragonite Coproduction

Processes, Journal Year: 2025, Volume and Issue: 13(5), P. 1370 - 1370

Published: April 30, 2025

This study employs a wet precipitation–carbonation method to recycle and utilize purification slag from the calcium carbide industry, extracting high-value-added magnesium hydroxide (Mg(OH)2) aragonite nanoparticles. Experimental results demonstrate that reaction temperature significantly influences yield, morphology, crystallinity parameters of products. The optimal preparation temperatures for Mg(OH)2 are 60 °C 80 °C, respectively. Analysis via X-ray diffraction (XRD) combined with Williamson–Hall reveals within range 60–90 crystallite sizes 40.07–59.25 nm 70.03–109.18 nm, As increases, size, strain, lattice stress, energy density exhibit decreasing trend, whereas corresponding crystallographic gradually increase.

Language: Английский

A new harmless approach for extracting green iron from copper smelting slag: Pellet crack theory

Process Safety and Environmental Protection, Journal Year: 2025, Volume and Issue: unknown, P. 107252 - 107252

Published: May 1, 2025

Language: Английский