Nickel carbonate preparation method
A technology of nickel carbonate and ammonium bicarbonate, applied in the direction of nickel carbonate, etc., can solve the problems of high environmental and process requirements, difficult harmless treatment, etc., and achieve the effects of low production cost, short production cycle and simple process
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Embodiment 1
[0015] Take 0.02mol of ammonium nickel sulfate, then add 500mL of distilled water, stir to fully dissolve, add 0.08mol of ammonium bicarbonate at room temperature, stir and dissolve evenly, add to the reaction kettle, seal it and react at 210°C for 4 hours. After the reaction, the product was filtered, washed repeatedly with water, and dried at 120° C. to obtain nickel bicarbonate, which was heated at 260° C. for 2 hours, and analyzed according to the XRD results to be pure nickel carbonate.
Embodiment 2
[0017] Take 0.03 mol of nickel ammonium sulfate, then add 200 mL of distilled water, stir to fully dissolve, add 0.12 mol of ammonium bicarbonate at room temperature, stir and dissolve evenly, add to the reaction kettle, seal it and react at 240°C for 2 hours. After the reaction, the product was filtered, washed repeatedly with water, and dried at 100°C to obtain nickel bicarbonate powder, which was heated at 280°C for 3 hours to obtain nickel carbonate.
Embodiment 3
[0019] Take 0.02mol of ammonium nickel sulfate, then add 50mL of distilled water, stir to fully dissolve, add 0.1mol of ammonium bicarbonate at room temperature, stir and dissolve evenly, add to the reaction kettle, seal it and react at 220°C for 8 hours. After the reaction, the product was filtered, washed repeatedly with water, and dried at 80°C to obtain nickel bicarbonate, which was heated at 295°C for 2 hours to obtain nickel carbonate.
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