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Electrowinning is an electrochemical process used to extract metals from their ores or solution by using electrical current. The process involves the reduction of metal ions in a solution onto a cathode, typically from a metal-containing solution, like those found in mining operations. Electrowinning is commonly used in the extraction of metals such as gold, copper, zinc, and nickel.
When a current is passed through the electrolyte, metal cations are reduced at the cathode (they gain electrons) and are deposited as solid metal. Meanwhile, at the anode, the anions in the solution are oxidized, completing the circuit
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Electrowinning is a widely used process for extracting metals from ores or solutions. To help you understand the process and its applications better, here are some frequently asked questions about electrowinning.
Electrowinning is commonly used to extract metals such as copper, gold, zinc, nickel, and cobalt. These metals are typically present in ores or waste solutions and can be efficiently recovered using electrowinning.
In electrowinning, an electrical current is passed through a metal-containing solution, which causes the metal ions to be reduced and deposited onto a cathode. The process also involves oxidation at the anode, completing the electrochemical reaction.
Electrowinning is more energy-efficient and environmentally friendly compared to traditional methods like smelting. It also produces high-purity metals, requires less chemical input, and generates fewer emissions, making it a preferred option in modern metal recovery.
