Abstract
The pyrometallurgical method of tin extraction from lead free solder dross after leaching treatment is discussed. The solder dross is sieved into 75 μm was used for the experiment. The samples were leached using 0.3 M HCl, 12 hours stirring times and temperature of 60°C was used for the leaching before thermal treatment. The sample was thermally treated at temperature of 650,850 and 1050°C. The increase of heating temperature causes the lowering of the tin extraction. The optimum parameter for heating temperature is 850°C with 98.71% of tin recovery.
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