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Abstract A series of laboratory tests were carried out on wet gold refining and purification technology. The test results demonstrate that the wet refining

Nitrogen oxides (NOₓ), mainly nitric oxide (NO) and nitrogen dioxide (NO₂), are critical air pollutants. Nitric oxide is a colourless gas and quickly oxidis

Intro Precious metal smelting and precious metal recovery processes generate flue gas rich in sulfur dioxide (SO₂). Strict global emission regulations force

As a professional manufacturer of precious metal recycling equipment, we provide complete sets of refining systems for recovering gold, silver, platinum and

Precious metals including gold, silver, palladium, platinum and rhodium are scarce strategic resources. Primary mining consumes massive energy and causes se

Many people assume precious metals only refer to gold. In fact, the precious metal family includes eight core metals: gold, silver, and six platinum-group m