Treatment method of copper secondary source smelting soot
A technology for secondary resources and treatment methods, which is applied in the field of effective treatment of copper secondary resource smelting soot, which can solve problems such as high reactor pressure, polluted operating environment, and easy volatilization of ammonia water, and achieves inhibition of dissolution, low corrosion, and environmental friendliness Effect
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[0019] Example 1:
[0020] Copper secondary resource smelting soot finely ground to a particle size of less than 0.149mm, its main components are (%): Cu4.09, Zn33.98, Br1.48, Sn6.06 and Pb22.68; industrial grade sodium hydroxide, of which The content of sodium hydroxide ≥96%; industrial grade sulfuric acid, of which H 2 SO 4 Content ≥98%; industrial grade oxygen, of which O 2 Content ≥99%; industrial grade oxalic acid, of which H 2 C 2 O 4 Content ≥99.5%; industrial grade lead acetate, of which C 4 H 6 O 4 Pb·3H 2 O content ≥98%.
[0021] Weigh 8g of industrial-grade sodium hydroxide and make a solution with 1000ml of water, then add 200g of copper secondary resource smelting soot with the above composition to slurry, add the slurry solution to the autoclave, seal the reactor and start stirring and heating, when the reactor When the temperature rises to 120°C, oxygen is introduced, and the partial pressure of oxygen is controlled to 0.20MPa. After 3 hours of reaction, the temperat...
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