Sludge tempering pre-treatment method
A sludge conditioning and sludge technology, which is applied in water/sludge/sewage treatment, dehydration/drying/thickened sludge treatment, special treatment targets, etc., can solve the problems of long concentration time, high conditioning cost, and volume reduction Less obvious problems, to achieve the effect of improving dehydration effect and efficiency
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[0017] In the embodiment of the present invention, before the conditioning of the sludge, the sludge is pretreated with ozone and PAM flocculant. The specific treatment method is as follows:
[0018] First, the sludge from the secondary sedimentation tank is transported to the ozone contactor through the sludge pump, and the ozone is generated by the ozone generator, and the ozone is passed into the ozone contactor through the aeration pipe. In this embodiment, the addition amount of the ozone is 10kg to 15kg / T, of course, it can also be set according to the type of sludge actually treated; ozone aeration makes the sludge fully contact with ozone, and uses the strong oxidative property of ozone to destroy the cell wall and cell membrane in the sludge that are not easily biodegradable. , leading to cell death, making cellular substances dissolve in water quickly, and killing pathogens and bacteria in sludge at the same time. Therefore, ozone has a strong killing effect on tenaci...
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