Membrane bioreactor for anaerobic ammonia oxidation and methanogenesis synchronously and waste water treatment method
A membrane bioreactor, anaerobic methane production technology, applied in chemical instruments and methods, sustainable biological treatment, aerobic and anaerobic process treatment, etc., can solve the problems of affecting biological activity, reducing, and unable to remove ammonium nitrogen
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Embodiment 1
[0040] The microbial carrier is formed by mixing polysulfone particles and polyethylene glycol gel particles at a ratio of 3:2. The microbial carrier has a pore size of 4-5 μm and a porosity of 92%. The dosage of the microbial carrier accounts for 1 / 5 of the volume of the anaerobic methanogenesis reactor 3 .
[0041] The method for wastewater treatment using the membrane bioreactor for synchronous anaerobic ammonium oxidation and methane production comprises the following steps:
[0042] Step S1: transport the sewage to the water inlet tank 1, and dilute it until the concentration of organic matter is 2200 mg (COD) / L-2500 mg (COD) / L;
[0043] Step S2: Add the microbial carrier into the anaerobic methanogenic reactor 3, start the water inlet pump 2, transport the sewage in the water inlet pool 1 to the water distribution pipe 4 at the bottom of the anaerobic methanogenic reactor 3, and spray water from the water distribution hole The discharged sewage forms an ascending water ...
Embodiment 2
[0051] The microbial carrier is formed by mixing cellulose acetate particles, polyvinyl alcohol gel particles and polyurethane particles in a ratio of 2:2:1. The microbial carrier has a pore size of 3-4 μm and a porosity of 90%. The microbial carrier The dosage accounts for 1 / 4 of the volume of the anaerobic methanogenic reactor 3.
[0052] The method for wastewater treatment using the membrane bioreactor for synchronous anaerobic ammonium oxidation and methane production comprises the following steps:
[0053] Step S1: transport the sewage to the water inlet tank 1, and dilute it until the concentration of organic matter is 2400mg (COD) / L-2800mg (COD) / L;
[0054] Step S2: Add the microbial carrier into the anaerobic methanogenic reactor 3, start the water inlet pump 2, transport the sewage in the water inlet pool 1 to the water distribution pipe 4 at the bottom of the anaerobic methanogenic reactor 3, and spray water from the water distribution hole The discharged sewage for...
Embodiment 3
[0062] The microbial carrier adopts polyvinylidene chloride particles, the pore size of the microbial carrier is 6-8 μm, and the porosity is 88%. The dosage of the microbial carrier accounts for 1 / 3 of the volume of the anaerobic methanogenic reactor 3 .
[0063] The method for wastewater treatment using the membrane bioreactor for synchronous anaerobic ammonium oxidation and methane production comprises the following steps:
[0064] Step S1: transport the sewage to the water inlet tank 1, and dilute it until the concentration of organic matter is 2100mg (COD) / L-2400mg (COD) / L;
[0065] Step S2: Add the microbial carrier into the anaerobic methanogenic reactor 3, start the water inlet pump 2, transport the sewage in the water inlet pool 1 to the water distribution pipe 4 at the bottom of the anaerobic methanogenic reactor 3, and spray water from the water distribution hole The discharged sewage forms an ascending water flow and fully contacts with the microbial carrier until t...
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