Method for promoting ozone utilization rate and intensifying treatment effect of ozone contact-oxidation pool
A technology of ozone contact oxidation and enhanced treatment, applied in the direction of oxidized water/sewage treatment, etc., can solve the problems of low reaction rate of organic pollutants and ozone, difficult degradation of organic pollutants, and different reaction times, etc., to improve the utilization of ozone. efficiency, structure improvement is easy, and the effect of enhancing mass transfer efficiency
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specific Embodiment approach 1
[0006] Specific embodiment one: illustrate this embodiment in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, and this embodiment is accomplished in this way: first in each unit pond 1-1 in the ozone contact oxidation pond 1 two A porous medium filler 1-3 is placed between the baffles 1-2, and the porous medium filler 1-3 is composed of a porous medium and a metal or metal oxide loaded on the surface of the porous medium; The ozone contact oxidation tank 1 of the porous medium filler 1-3 is fed with an oxidant in the form of a bubble flow, and the diameter of the oxidant bubble is 20 μm to 5 mm; the oxidant is pure ozone or a mixed gas of ozone and oxygen or ozone and air The mixed gas; the volume percentage of ozone and oxygen is: ozone: 0.001~10%, oxygen: 90~99.999%; the volume percentage of ozone and air is: ozone: 0.001~10%, air: 90% ~99.999%, the ozone concentration is 0.1-5.0mg / L, the water temperature is kept between 0-50°C, and the flow rate of water passing through t...
specific Embodiment approach 2
[0007] Specific embodiment two: this embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, the difference between this embodiment and specific embodiment one is: the diameter of the oxidizing agent bubble in this embodiment is 3mm, the described The volume percentage of ozone and oxygen is: ozone: 5%, oxygen: 95%; The volume percentage of described ozone and air is: ozone: 5%, air: 95%, the concentration that ozone feeds is 3.0mg / L, The water temperature is kept at 25° C., and the flow velocity of the water passing through the porous medium packing 1-3 is 0.25 m / s.
specific Embodiment approach 3
[0008] Specific embodiment three: This embodiment is described in conjunction with FIG. 1. The difference between this embodiment and specific embodiment one is: in this embodiment, the porous medium filler 1-3 is placed in each unit cell 1-1 Inner bottom wall 1-1-1. Arranging the porous medium filler 1-3 on the bottom wall 1-1-1 in each unit pool 1-1 can change the flow line of the water flow and avoid the occurrence of short flow, thereby prolonging the ozone contact oxidation pool 1. Pollutants contact reaction time with ozone.
[0009] Embodiment 4: This embodiment is described in conjunction with FIG. 2. The difference between this embodiment and Embodiment 1 is that in this embodiment, the porous media filler 1-3 is placed in each unit cell 1-1. On the inner side wall 1-1-2. Arranging the porous media filler 1-3 on the side wall 1-1-2 in each unit pool 1-1 can change the flow line of the water flow and avoid the occurrence of short flow, thereby prolonging the ozone co...
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