Microbial-assisted heap leaching of fragments or agglomerates of fragments of copper-containing sulfidic ores, such as chalcopyrite ores, and copper-containing sulfidic waste materials is disclosed. A heap leaching method includes controlling the sulfate concentration in a leach liquor. When heap leaching includes using agglomerates, a method of forming agglomerates includes adding the feed materials at, or close to, the inlet end, typically no more than 40%, typically no more than 30%, more typically no more than 20%, of the length from the inlet end of the agglomeration unit.

A method and apparatus to reclaim metals from scrap material such as automobile shredder residue (ASR) that, after separating out light density components, separates out friable material such as rock and glass by crushing and screening operations to generate a high metal content product.

This disclosure belongs to the field of battery recycling technologies, and specifically, to a battery recycling method. An example battery recycling method is disclosed including: performing split processing on a battery to obtain a metal shell and an electrode assembly, where the electrode assembly includes a roll core or a lamination; and recycling the metal shell. According to the recycling method in various embodiments of this disclosure, the battery is not wholly crushed, but the battery is split to obtain the metal shell and the electrode assembly. In other words, the metal shell obtained through recycling by using the recycling method in this disclosure is not crushed, thereby ensuring reusability of the metal shell.

A method and apparatus to reclaim metals from scrap material such as automobile shredder residue (ASR) that, after separating out light density components, separates out friable material such as rock and glass by crushing and screening operations to generate a high metal content product.

A method and apparatus to reclaim metals from scrap material such as automobile shredder residue (ASR) that, after separating out light density components, separates out friable material such as rock and glass by crushing and screening operations to generate a high metal content product.

The present invention provides a manufacturing method of crude copper from low-grade copper sludge, one embodiment of the present invention comprises the steps of: (1) calcining a low-grade copper sludge (step 1); (2) producing a mixture by adding at least one selected from a group consisting of binder, flux and combinations thereof to the calcined low-grade copper sludge (step 2); (3) producing a briquette by compression molding the mixture (step 3); (4) melting and reducing by charging the briquette into a submerged arc furnace with adding flux (step 4); and (5) separating crude copper and slag produced by melting and reducing (step 5).

A method of recovering electrode materials includes: a preparing step of preparing an electrode assembly or an electrode sheet, the electrode assembly and the electrode sheet including a current collector and an electrode active material layer formed on the current collector and containing an electrode active material; a dissolving step of immersing the electrode assembly or the electrode sheet in an etchant solution that dissolves the current collector; and a separating step of separating a precipitate containing the electrode active material from the etchant solution in which the current collector is dissolved.

A method of leaching a gold/copper-containing sulfidic mined material that includes two leach stages, with a gold leach stage leaching gold from the material with a gold leach liquor and a copper leach stage leaching copper from the material with a copper leach liquor.

The present disclosure discloses a system for preparing new energy NiCoMn raw material from laterite nickel Ore. The system includes a raw auxiliary material supply module, a leaching reaction module, a neutralization and purification module, a neutralization and purification module, a NiCoMn mixed hydroxide synthesis module, a valuable metal recovery module, a crystal manufacturing module, a ternary precursor manufacturing module, and a ternary positive material manufacturing module. The present disclosure overcomes the defects of prior art and process, and is a green technology and process for simultaneous extraction of nickel, cobalt and manganese from low-grade laterite nickel ore, which not only realizes simultaneous and efficient extraction of nickel, cobalt and manganese, but also adopts energy-saving and emission reduction green technology and clean production technology to effectively recycle and safely dispose of waste water, waste residue and waste gas.

This method for leaching an electrode material is a method for subjecting an electrode material of a lithium ion secondary battery to acid leaching, the method including a leaching step of reacting the electrode material of a lithium ion secondary battery with sulfuric acid to obtain a leachate in which metals contained in the electrode material are leached, in which the leaching step includes a sulfuric acid adding step of adding the sulfuric acid to the electrode material to obtain a sulfuric acid-added electrode material, a kneading step of kneading the sulfuric acid-added electrode material to form a leaching paste, and a diluting step of diluting the leaching paste with water.