Water treatment composite flocculant
A composite flocculant and water treatment technology, which is applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve the problems of insufficient performance of the agent, incomplete performance of the flocculant, and difficulty in controlling the time of dosing, so as to improve the use efficiency of the agent, Simplified dosing equipment, fast precipitation effect
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Embodiment 1
[0019] Aluminum salt 40-60%, iron salt 15-30%, polyacrylamide 1-10%, starch 1-5%.
[0020] The present invention adopts spray compounding method, mixes 50 liters of aluminum sulfate and 20 liters of ferric sulfate mixed solution with 5 kg of solid non-ionic polyacrylamide powder, 2.5 kg of starch, mixes and mixes, sprays and dries after mixing, and obtains the present invention Invented multi-layer composite coagulant for water treatment. The particle diameter of the composite flocculant is 0.1-3mm on average. Since the sulfate is coated on the outer layer of the polyacrylamide, when the flocculant of the present invention is put into sewage for sewage treatment, the polyacrylamide begins to dissolve 1 minute after the sulfate dissolves.
Embodiment 2
[0022] Mix 40 liters of aluminum chloride and 15 liters of polyferric sulfate mixed solution with 1 kg of cationic polyacrylamide powder and 1 kg of starch, mix and mix, and then spray dry to obtain the water-treated multilayer Composite coagulant. The particle diameter of the composite flocculant is 0.1-3mm on average.
Embodiment 3
[0024] Mix 60 liters of aluminum chloride and 30 liters of polyferric sulfate mixed solution with 10 kilograms of cationic polyacrylamide powder and 5 kilograms of starch, mix and mix, and then spray dry to obtain the water-treated multilayer Composite coagulant. The particle diameter of the composite flocculant is 0.1-3mm on average.
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