Keyword Analysis & Research: electrowinning anode

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What is an anode in electrorefining?

In electrorefining, the anode consists of the impure metal (e.g., copper) to be refined. The impure metallic anode is oxidized and the metal dissolves into solution. The metal ions migrate through the acidic electrolyte towards the cathode where the pure metal is deposited.

What is the best anode for the electrowinning industry?

In the electrowinning industry, lead dioxide anode and Mixed Metal Oxide (MMO) anode are the two common choices. However, the lead dioxide anode are found of these disadvantages: heavy environmental pollution, high energy consumption, fragile, lead waste, hardly to produce into various shapes, coating is easily to drop off.

What is MMO titanium anode for metal electrowinning?

With environmental concerns increasing and pollution stringent control, MMO anodes become widely used in the metal electrowinning industry since this MMO titanium anode for metal electrowinning offer a cleaner alternative and significant power savings over lead dioxide anode. MMO anodes are exclusively used in the metal recovery system.

What is electrowinning in electroplating?

Electrowinning. In electrorefining, the anodes consist of unrefined impure metal, and as the current passes through the acidic electrolyte the anodes are corroded into the solution so that the electroplating process deposits refined pure metal onto the cathodes.

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