Process for Leaching Metal-Containing Ores Using Electrochemically Produced Leaching Solution

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This invention describes a method for leaching metal-containing ores, particularly those with oxides or sulfides, using a leaching solution generated through an electrochemical process. The solution contains specific oxidizing agents created in an electrolytic cell, which are then used to extract metal ions from the ores effectively.

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• Extraction of metals (such as copper, nickel, zinc) from ores in mining operations
• Processing of low-grade or complex ores that are difficult to treat using traditional methods
• Hydrometallurgical plants seeking more efficient or environmentally friendly leaching processes
• Recovery of metals from electronic waste or industrial by-products

BenefitsContent extracted from patent full text and abstract with AI.

• Allows the production of powerful oxidizing leaching solutions directly on-site, potentially reducing the need for hazardous chemicals
• Can improve metal recovery rates from challenging ore types
• May lower environmental impact compared to conventional leaching methods that use large quantities of chemical oxidants
• Flexible process adaptable to various types of ores and operational scales

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Patent Abstract

Die Erfindung betrifft ein Verfahren zur Laugung metallhaltiger, insbesondere oxidischer und/oder sulfidischer Erze mit den Schrittena) Bereitstellung einer Laugungslösung, enthaltend mindestens ein Oxidationsmittel, ausgewählt aus Peroxodisulfat und/oder Peroxodischwefelsäure und/oder Peroxomonoschwefelsäure, und/oder eine Mischung mehrerer dieser Oxidationsmittel, durch elektrolytische Behandlung einer Ausgangslösung, enthaltend Schwefelsäure und/oder mindestens ein Sulfatsalz, in einer Elektrolysezelle, umfassend mindestens eine Elektrode, die mindestens ein, bevorzugt kohlenstoffbasiertes Elektrodenmaterial aufweist undb) Laugung des oder der Erze mit der Laugungslösung zum Erhalt einer Produktlösung, enthaltend Metallionen und Sulfationen.