A method for in-situ control of polluted pond sediment
A sediment and in-situ technology, which is applied in the field of in-situ control of polluted lake and pond sediment, can solve the problems of low concentration of effective degradation bacteria, weak competition of indigenous bacteria, and easy loss of bacteria, so as to achieve good repair effect and reduce bacterial contamination. The loss of species, the effect of easy separation
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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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