Method for removing chlorobenzene from original water through combination of blowing-off and powdery carbon adsorption
A powdered carbon, raw water technology, applied in adsorption water/sewage treatment, chemical instruments and methods, degassed water/sewage treatment, etc. It can reduce the processing cost, stabilize the processing effect, and improve the safety guarantee rate.
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specific Embodiment approach 1
[0009] Specific embodiment one: the treatment method of this embodiment blowing off and powdered carbon adsorption combined removal of chlorobenzene in raw water is realized according to the following steps: one, air is blown into the raw water polluted by chlorobenzene to carry out blowing off, and the hydraulic retention time is 2 to 30 minutes; 2. Add 20 to 80 mg of powdered carbon to each liter of raw water after stripping, and the adsorption time is 0.2 to 24 hours, that is, to complete the combined removal of chlorobenzene in raw water by stripping and powdered carbon adsorption; the steps The air blown in the first step is dispersed into air bubbles with a diameter of 1-5mm through the aerator, and the air-water volume ratio is 10-50:1; the powdered carbon in the second step is woody carbon or coal-based carbon.
[0010] The concentration of chlorobenzene in the raw water polluted by chlorobenzene in step 1 of this embodiment is 0.3-25 mg / L.
specific Embodiment approach 2
[0011] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the blown air in Step 1 is dispersed into bubbles with a diameter of 2-4 mm through the aerator, and the air-water volume ratio is 20-40:1. Other steps and parameters are the same as those in Embodiment 1.
specific Embodiment approach 3
[0012] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the blown air in step 1 is dispersed into bubbles with a diameter of 3 mm through the aerator, and the air-water volume ratio is 25:1. Other steps and parameters are the same as those in Embodiment 1.
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