Water treatment ceramsite based on cobalt smelting waste slag and preparation method thereof
A technology of water treatment and waste residue, applied in the direction of biological water/sewage treatment, water/sludge/sewage treatment, ceramic products, etc., to achieve the effects of wide sources, low cost, and simple and easy preparation methods
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Embodiment 1
[0023] The main components of cobalt smelting waste residue from a company are as follows.
[0024] Element SiO 2
Fe co Al 2 o 3
CaO Na 2 o
Content (wt.%) 63.5 4.1 0.3 7.1 8.3 0.3
[0025] Cobalt smelting waste residue is dried and ground into dry powder with a particle size of less than 75 microns.
[0026] A real estate silica, the main component is SiO 2 , silica SiO 2 The content is 95.3 wt.%, dried and ground into dry powder, the particle size is less than 75 microns.
[0027] Sodium carbonate is used as a sintering agent, dried and ground into a dry powder with a particle size of less than 75 microns.
[0028] Dry and crushed rural waste straw was used as the pore-forming agent, with a moisture content of less than 20 wt.% and a particle size of less than 1 mm.
[0029] According to the raw material ratio of 55 wt.% cobalt smelting waste residue, 30 wt.% silica, 7 wt.% sodium carbonate, and 8 wt.% pore-forming agent, ...
Embodiment 2
[0036] The main components of cobalt smelting waste residue from a company are as follows.
[0037] Element SiO 2
[0038] Cobalt smelting waste residue is dried and ground into dry powder with a particle size of less than 75 microns.
[0039] A real estate silica, the main component is SiO 2 , silica SiO 2 The content is 95.3 wt.%, dried and ground into dry powder, the particle size is less than 75 microns.
[0040] Sodium carbonate is used as a sintering agent, dried and ground into a dry powder with a particle size of less than 75 microns.
[0041] Dry and crushed rural waste straw was used as the pore-forming agent, with a moisture content of less than 20 wt.% and a particle size of less than 1 mm.
[0042] According to the raw material ratio of 50 wt.% cobalt smelting waste residue, 36 wt.% silica, 6 wt.% sodium carbonate, and 8 wt.% pore-forming agent, the above powders were weighed, mixed and stirred evenly, and ceramsite powder was obtained .
[0043]...
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