Knowledge Base

Insights and analysis from the forefront of mining and green energy industries

Mining & Industrial Innovations

Impact of Grinding Media Hardness on Comminution

Grinding Media Hardness

The effectiveness of comminution process is directly linked to the quality of the grinding media used. This study explores the critical role of grinding ball hardness and its balance with toughness.

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A Review of the Grinding Media in Ball Mills for Mineral Processing

Grinding Media Hardness

Reviews grinding media in ball mills for mineral processing. The article focuses on how media materials, size, shape, and density affect performance, energy consumption, and costs, while highlighting cast iron and steel as widely used due to their low cost.

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Metallic Mining in El Salvador — A Critical Analysis of Reserves, Methods, and Environmental Promises

Gold Extraction

The article critically evaluates recent political claims that El Salvador holds gold reserves worth USD 3 trillion and examines proposed alternatives to cyanide (thiosulfate, gravity methods, bioleaching) for gold extraction.

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Green Energy Insights

A Comparative Analysis of Electrolyzer Technologies

An examination of the core differences, operational efficiencies, and application suitability of PEM vs. Alkaline electrolyzers in green hydrogen production.

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