Sewage adsorbent and preparation method thereof
An adsorbent and sewage technology, applied in water/sewage treatment, chemical instruments and methods, adsorbed water/sewage treatment, etc., can solve problems such as unsatisfactory treatment effect, and achieve good treatment effect, stable performance, and low dosage. Effect
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Embodiment 1
[0015] A kind of sewage adsorbent, the main raw material according to weight part is: 25 parts of sodium-based bentonite, 12 parts of polyacrylamide, 5 parts of polyvinylpyrrolidone, 2 parts of sorbitan trioleate, 17 parts of nano-modified activated carbon, 0.7 parts of polyoxyethylene ether surfactants, 8 parts of polyaluminium chloride, and 0.8 parts of stearate; the preparation method of the nano-modified activated carbon is to use nitric acid, magnesium acetate, polyurethane and sodium alginate to ultrasonically Impregnated and dried.
[0016] A kind of preparation method of sewage adsorbent, concrete steps are:
[0017] (1) First, mix sodium-based bentonite, polyacrylamide, polyvinylpyrrolidone, and sorbitan trioleate, place them in a reaction kettle, and filter after heat treatment to obtain polymer nanospheres;
[0018] (2) Then, mix the polymer nanospheres with nano-modified activated carbon, polyoxyethylene ether surfactants, polyaluminum chloride, and stearate, and ...
Embodiment 2
[0020] A sewage adsorbent, the main raw materials in parts by weight are: 28 parts of sodium bentonite, 14 parts of polyacrylamide, 5 parts of polyvinylpyrrolidone, 2 parts of sorbitan trioleate, 19 parts of nano-modified activated carbon, 0.7 parts of polyoxyethylene ether surfactants, 8 parts of polyaluminium chloride, and 1.3 parts of stearate; the preparation method of the nano-modified activated carbon is to use nitric acid, magnesium acetate, polyurethane and sodium alginate to ultrasonically Impregnated and dried.
[0021] A kind of preparation method of sewage adsorbent, concrete steps are:
[0022] (1) First, mix sodium-based bentonite, polyacrylamide, polyvinylpyrrolidone, and sorbitan trioleate, place them in a reaction kettle, and filter to obtain polymer nanospheres after heat treatment;
[0023] (2) Then, mix the polymer nanospheres with nano-modified activated carbon, polyoxyethylene ether surfactants, polyaluminum chloride, and stearate, and then use ultrasoni...
Embodiment 3
[0025] A sewage adsorbent, the main raw materials in parts by weight are: 30 parts of sodium bentonite, 16 parts of polyacrylamide, 7 parts of polyvinylpyrrolidone, 5 parts of sorbitan trioleate, 20 parts of nano-modified activated carbon, 1.1 parts of polyoxyethylene ether surfactants, 10 parts of polyaluminum chloride, and 1.7 parts of stearate; the preparation method of the nano-modified activated carbon is to use nitric acid, magnesium acetate, polyurethane and sodium alginate to ultrasonically Impregnated and dried.
[0026] A kind of preparation method of sewage adsorbent, concrete steps are:
[0027] (1) First, mix sodium-based bentonite, polyacrylamide, polyvinylpyrrolidone, and sorbitan trioleate, place them in a reaction kettle, and filter after heat treatment to obtain polymer nanospheres;
[0028] (2) Then, mix the polymer nanospheres with nano-modified activated carbon, polyoxyethylene ether surfactants, polyaluminum chloride, and stearate, and then use ultrasoni...
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