Process for rapidly producing basic nickel carbonate or basic cobaltous carbonate
A production process and technology of nickel carbonate, applied in nickel carbonate, cobalt carbonate and other directions, can solve the problems of unfavorable operator's health, difficult to master process parameters, uneven temperature distribution, etc., to achieve favorable application, uniform and fine product particles. , the effect of low cost
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Embodiment 1
[0015] Embodiment 1: basic nickel carbonate preparation
[0016] Present embodiment technology comprises the following steps:
[0017] 1. Chemical material: Put nickel chloride and sodium carbonate into different reaction kettles for dissolution (abbreviated as chemical material). After dissolution, it becomes liquid. The dissolution ratio of nickel chloride is: NiCl 2 :H 2 O=1: 4~8 (mass ratio), the dissolving ratio of sodium carbonate is: Na 2 CO 3 :H 2 O=1:4~8 (mass ratio).
[0018] 2. Synthesis: Add alkali solution and nickel chloride solution to another reaction kettle for synthesis reaction. Add alkali solution first, then nickel chloride solution, and stir to control the spraying and stirring speed, and the pH of the solution. The value is adjusted to ≥7.5~9.5; the synthetic reaction time is 2~4 hours.
[0019] 3. Filtration and washing:
[0020] Pump the synthesized slurry into the plate frame for water washing. During the washing process, pay attention to the a...
Embodiment 2
[0022] Embodiment 2: preparation of basic cobalt carbonate
[0023] Adopt the same processing method as embodiment 1, it comprises the following processing steps:
[0024] 1. Put cobalt chloride and sodium carbonate into different reaction kettles for dissolution (referred to as chemical material), and they will become liquid after dissolution. The dissolution ratio of nickel chloride is: CoCl 2 :H 2 O=1: 4~8 (mass ratio), the dissolving ratio of sodium carbonate is: Na 2 CO 3 :H 2 O=1:4~8 (mass ratio).
[0025] 2. Synthesis: Add alkali solution and cobalt chloride solution to another reaction kettle for synthesis reaction. Add alkali solution first, then cobalt chloride solution, and stir to control the spraying and stirring speed, and the pH of the solution. The value is adjusted to ≥7.5~9.5; the synthetic reaction time is 2~4 hours.
[0026] 3. Filtration and washing:
[0027] Pump the synthesized slurry into the plate frame for water washing. During the washing proc...
Embodiment 3
[0029] Embodiment 3: basic nickel carbonate preparation
[0030] In the nickel chloride, sodium carbonate dissolving process in the present embodiment, the nickel chloride dissolution ratio is by mass ratio: NiCl 2 :H 2 O=1:4, the dissolving ratio of sodium carbonate is: Na 2 CO 3 :H 2 O=1:5, other process steps and parameters are identical with embodiment 1.
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