ELECTROCHEMICAL METALLURGICAL PROCESS FOR EXTRACTING METALS AND SULFUR FROM METALLIC SULFIDES
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United States of America Patent
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Oct 3, 2024
app pub date -
Jun 14, 2024
filing date -
Sep 2, 2022
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Abstract
This invention presents an electrochemical metallurgical technique for extracting metals and sulfur from metal sulfides, offering an adjustable composition and mechanical properties during electrode preparation. The metal sulfide anode, submerged in an electrolyte with a cathode made of materials like titanium, copper, stainless steel, lead, zinc, aluminum or graphite, undergoes electrolysis. This process oxidizes sulfur in the metal sulfide to the anode and releases metal ions into the electrolyte, where they're reduced at the cathode. The method yields metal at the cathode and sulfur at the anode, with minimal environmental impact, low investment, and straightforward process.
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