Polluted water ecology dialysis apparatus and processing method
A technology of dialysis device and treatment method, which is applied in the directions of water/sewage multi-stage treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., which can solve the problems of circulation, easy damage to the original ecological system, and large footprint. problems, to achieve the effect of simple operation and management, easy promotion and application, and small footprint
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Embodiment 1
[0047] (1) The process parameters are as follows:
[0048] The volume ratio of zone I, zone II and zone III of the biodialysis device is 4:5:1.
[0049] Zone Ⅰ: YDT type elastic three-dimensional filler: biological suspension ball filler = 2:8, the diameter of the air bubbles produced by aeration is 3mm;
[0050] Zone Ⅱ: petal-shaped filler: spiral strip-shaped filler = 3:7, the diameter of the air bubbles produced by aeration is 0.8mm;
[0051] Zone Ⅲ: Spiral ditch spherical packing: Spiral strip packing = 4:6, the diameter of the air bubbles produced by aeration is 0.5mm;
[0052] Packing volume: a total of 2m 3 .
[0053] Processing temperature: 25°C.
[0054] Light intensity below 300 lux.
[0055] Dissolved oxygen concentration: 7.2 mg / L.
[0056] Total amount of sewage treated: 0.4m 3 / h.
[0057] Sewage residence time: 5h.
[0058] (2) The processing results are as follows:
[0059] Influent concentration: COD: 234mg / L; TN (total nitrogen content): 22.3mg / L; T...
Embodiment 2
[0063] (1) The process parameters are as follows:
[0064] The volume ratio of zone I, zone II and zone III of the biodialysis device is 2:2:1.
[0065] Zone Ⅰ: YDT type elastic three-dimensional filler: biological suspension ball filler = 3:7, the diameter of the air bubbles produced by aeration is 4mm;
[0066] Zone II: petal-shaped filler: spiral strip-shaped filler = 2:5, the diameter of the air bubbles produced by aeration is 0.6mm;
[0067] Zone Ⅲ: threaded ditch spherical packing: spiral strip packing = 3:5, the diameter of the air bubbles produced by aeration is 1mm;
[0068] Packing volume: a total of 2m 3 .
[0069] Processing temperature: 30°C.
[0070] Light intensity below 300 lux.
[0071] Dissolved oxygen concentration: 7.0 mg / L
[0072] Total amount of sewage treated: 0.35m 3 / h
[0073] Sewage residence time: 5.7h
[0074] (2) The processing results are as follows:
[0075] Influent concentration: COD: 331mg / L; TN: 18.5mg / L; TP: 7.21mg / L; TSS: 78mg / L...
Embodiment 3
[0078] (1) The process parameters are as follows:
[0079] The volume ratio of zone I, zone II and zone III of the biodialysis device is 4:2:1.
[0080] Zone Ⅰ: YDT type elastic three-dimensional filler: biological suspension ball filler = 2:6, the diameter of the bubbles generated by aeration is 5mm;
[0081] Zone II: petal-shaped filler: spiral strip-shaped filler = 6:5, the diameter of the air bubbles produced by aeration is 0.6mm;
[0082] Zone Ⅲ: Spiral ditch spherical packing: Spiral strip packing = 7:5, the diameter of the air bubbles produced by aeration is 0.8mm;
[0083] Packing volume: a total of 2m 3 .
[0084] Processing temperature: 25°C.
[0085] Light intensity below 300 lux.
[0086] Dissolved oxygen concentration: 8.0 mg / L.
[0087] Total amount of sewage treated: 0.25m 3 / h.
[0088] Sewage residence time: 8h.
[0089] (2) The processing results are as follows:
[0090] Influent concentration: COD: 333mg / L; TN: 17.8mg / L; TP: 7.32mg / L; TSS: 76mg / L. ...
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