A biomembrane electrode coupled artificial wetland reactor and its sewage treatment method
A biomembrane electrode and artificial wetland technology, applied in the field of water treatment, can solve problems that have not been reported, and achieve the effect of improving the treatment effect, strong applicability, and uniform water distribution
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Embodiment 1
[0068] A kind of sewage treatment method of biomembrane electrode coupled artificial wetland reactor, mainly comprises the following steps:
[0069] S1: Collect sludge and cultivate microorganisms under the conditions of 25°C and pH7.0 intermittent aeration, and artificially prepare nutrients to cultivate biofilm; pump sewage into water distribution pipe 2 through the water inlet pump, and run continuously in the reactor 20 days for hanging film;
[0070] S2: After the reactor is successfully started, the HRT is 4.6h, the influent pH is 7.00, and the dissolved oxygen is 4.1mg / L. Organic pollutant load (COD) is 100mg / L, ammonia nitrogen pollutant (NH 4 + -N) load is 6mg / L, microcystin MC-LR load (COD) is 8mg / L, temperature is 20°C, and the power supply 5 is turned on to control the current to 0.5mA; the sewage is purified through the reactor.
Embodiment 2
[0072] A kind of sewage treatment method of biomembrane electrode coupled artificial wetland reactor, mainly comprises the following steps:
[0073] S1: Collect sludge and cultivate microorganisms under the conditions of 25°C and pH7.0 intermittent aeration, and artificially prepare nutrients to cultivate biofilm; pump sewage into water distribution pipe 2 through the water inlet pump, and run continuously in the reactor 20 days for hanging film;
[0074] S2: After the reactor is successfully started, the HRT is 4.6h, the influent pH is 7.00, and the dissolved oxygen is 4.1mg / L. The organic pollutant (COD) load is 150mg / L, the ammonia nitrogen pollutant (NH 4 + -N) load is 9.5mg / L, microcystin MC-LR load (COD) is 9mg / L, temperature is 30°C, and the power supply 5 is turned on to control the current to 0.1mA; the sewage is purified through the reactor.
[0075] The working principle of the above method is: use the filler as a microbial carrier, fix the denitrifying bacteria ...
Embodiment 3
[0077] A kind of sewage treatment method of biomembrane electrode coupled artificial wetland reactor, mainly comprises the following steps:
[0078] S1: Collect sludge and cultivate microorganisms under the conditions of 25°C and pH7.0 intermittent aeration, and artificially prepare nutrients to cultivate biofilm; pump sewage into water distribution pipe 2 through the water inlet pump, and run continuously in the reactor 20 days for hanging film;
[0079] S2: After the reactor is successfully started, the HRT is 4.6h, the influent pH is 7.00, and the dissolved oxygen is 4.1mg / L. Organic pollutant load (COD) is 200mg / L, ammonia nitrogen pollutant (NH 4 + -N) load is 10mg / L, microcystin MC-LR load (COD) is 10mg / L, temperature is 25°C, and the power supply 5 is turned on to control the current to 2.5mA; the sewage is purified through the reactor.
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