Method and device for preparing copper oxychloride from acidic etching solution and alkaline etching solution
A technology of acid etching solution and copper oxychloride, applied in the direction of copper oxychloride, copper halide, etc., can solve the problems of low yield of copper oxychloride, high requirements for reaction solution, complicated operation, etc., to protect the environment and save resources , The effect of reducing processing costs
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Embodiment 1
[0035] Add 1000L of water into the reaction kettle, heat it to 70°C, under stirring conditions, add 3300L of acidic etching solution and 3500L of alkaline etching solution into the reaction kettle at the same time; keep the temperature in the reaction kettle at 50°C and stir evenly , continue to drop the acidic etching solution, detect and adjust the pH value, so that the pH value of the reaction mixture solution is kept between 5 and 6, the reaction temperature is 50 ° C, and the reaction is 2 hours; after the reaction is sufficient, the reaction mixture solution After pressure filtration and drying, the solid substance cupric oxychloride was obtained with a content of 99.2%.
Embodiment 2
[0037] Add 1500L of water into the reaction kettle, heat it to 75°C, and add 5000L of acidic etching solution and 4800L of alkaline etching solution into the reaction kettle at the same time under stirring; keep the temperature in the reaction kettle at 50°C, stir evenly, Do not continue to drop the alkaline etching solution, check and adjust the pH value, so that the pH value of the reaction mixture solution is continuously maintained between 5 and 6, the reaction temperature is 50 ° C, and the reaction is 2.5 hours; after the reaction is sufficient, the reaction After the mixed solution is filtered and dried, the solid substance copper oxychloride is obtained with a content of 99.5%.
Embodiment 3
[0039]Add 2000L of water into the reaction kettle, heat it to 70°C, and add 8200L of acidic etching solution and 8200L of alkaline etching solution into the reaction kettle at the same time under stirring conditions; keep the temperature in the reaction kettle at 51°C, stir evenly, Constantly control the addition of acidic etching solution and alkaline etching solution, detect and adjust the pH value, so that the pH value of the reaction mixture solution is continuously maintained between 5 and 6, the reaction temperature is 48 ° C, and the reaction is 2 hours; after the reaction is fully Finally, the reaction mixture was filtered and dried to obtain 99.7% copper oxychloride as a solid.
[0040] The key technology of the present invention is the control of the reaction temperature and pH value in the reactor, the content of the finally produced copper oxychloride can reach more than 98%, the price is more than 30,000 yuan per ton, and considerable economic benefits can be reali...
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