In-situ control method for polluted lake and pond sediment
An in-situ, sedimentary technology, applied in the treatment of polluted waterways/lakes/ponds/rivers, sludge treatment, biological sludge treatment, etc. Easy to lose and other problems, to achieve a good repair effect, reduce the loss of bacteria, and easy to separate
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[0014] Embodiment 1: Using the method of the present invention to carry out in-situ remediation experiments on the bottom mud of polluted lakes and ponds and its overlying water.
[0015] Such as figure 1 As shown, a plexiglass column is used as a reactor to simulate the longitudinal distribution of natural lake water and sediment. Reactor 1 has a total height of 100 cm, a length and a width of 20 cm, bottom mud 8 is 20 cm deep, and water depth is 60 cm. The effective volume is 32L; in the reactor 1, the immobilized microbial carrier column 2 is set at the mud-water interface by hanging. The microporous aeration device 3 includes an aeration head and an air compressor 4 connected to the aeration head through an air supply conduit, and an air supply volume regulating valve 5 is arranged on the air supply conduit. The aeration head is 15 cm long and 2 cm in diameter, and is placed in the immobilized microbial carrier column 2 . The reactor 1 is provided with sediment sampling ...
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