Novel sewage treatment composite flocculant and preparation method thereof
A composite flocculant, sewage treatment technology, applied in water/sewage treatment, adsorption water/sewage treatment, water/sludge/sewage treatment, etc. Difficult to control and other problems, to achieve the effect of promoting the adsorption effect of sewage purification, optimizing the effect of sewage purification, and shortening the settling time
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Embodiment 1
[0028] A novel composite flocculant for sewage treatment, the composite flocculant is compounded by oxides and chitosan, the oxides include Fe 2 o 3 Substrate and TiO 2 -IrO 2 active sites, the TiO 2 -IrO 2 The active sites are distributed in the Fe 2 o 3 surface and pores of the substrate.
[0029] The preparation method of described oxide comprises the following steps:
[0030] (1) Fe 2 o 3 Synthesis of matrix: take a certain amount of FeCl 3 or FeCl 3 ·6H 2 O dissolved in water to form FeCl 3solution, FeCl 3 Fe in solution 3+ The molar concentration is 0.1mol / L. Then to FeCl 3 Adding L-phenylalanine, polyethylene glycol and hydrogen peroxide mass fraction in the solution is 35% hydrogen peroxide, and the amount of adding L-phenylalanine, polyethylene glycol and hydrogen peroxide is by mass ratio:
[0031] FeCl 3 Solution: L-phenylalanine: polyethylene glycol: hydrogen peroxide=10:1:0.1:0.03,
[0032] Fully stir the solution, then add ammonia water dropwis...
Embodiment 2
[0037] A novel composite flocculant for sewage treatment, the composite flocculant is compounded by oxides and chitosan, the oxides include Fe 2 o 3 Substrate and TiO 2 -IrO 2 active sites, the TiO 2 -IrO 2 The active sites are distributed in the Fe 2 o 3 surface and pores of the substrate.
[0038] The preparation method of described oxide comprises the following steps:
[0039] (1) Fe 2 o 3 Synthesis of matrix: take a certain amount of FeCl 3 or FeCl 3 ·6H 2 O dissolved in water to form FeCl 3 solution, FeCl 3 Fe in solution 3+ The molar concentration is 0.2mol / L. Then to FeCl 3 Adding L-phenylalanine, polyethylene glycol and hydrogen peroxide mass fraction in the solution is 35% hydrogen peroxide, and the amount of adding L-phenylalanine, polyethylene glycol and hydrogen peroxide is by mass ratio:
[0040] FeCl 3 Solution: L-phenylalanine: polyethylene glycol: hydrogen peroxide=10:1.3:0.5:0.06,
[0041] Fully stir the solution, then add ammonia water drop...
Embodiment 3
[0046] A novel composite flocculant for sewage treatment, the composite flocculant is compounded by oxides and chitosan, the oxides include Fe 2 o 3 Substrate and TiO 2 -IrO 2 active sites, the TiO 2 -IrO 2 The active sites are distributed in the Fe 2 o 3 surface and pores of the substrate.
[0047] The preparation method of described oxide comprises the following steps:
[0048] (1) Fe 2 o 3 Synthesis of matrix: take a certain amount of FeCl 3 or FeCl 3 ·6H 2 O dissolved in water to form FeCl 3 solution, FeCl 3 Fe in solution 3+ The molar concentration is 0.2mol / L. Then to FeCl 3 Adding L-phenylalanine, polyethylene glycol and hydrogen peroxide mass fraction in the solution is 35% hydrogen peroxide, and the amount of adding L-phenylalanine, polyethylene glycol and hydrogen peroxide is by mass ratio:
[0049] FeCl 3 Solution: L-phenylalanine: polyethylene glycol: hydrogen peroxide=10:1.6:0.2:0.05,
[0050] Fully stir the solution, then add ammonia water drop...
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