NPKB-Ⅱ Supporting 51 to 1,000 people
Features
Advanced Nitrogen Removal Preventing Wetland Eutrophication
Stable, advanced nitrogen removal has been realized through the circulation of nitrification liquid through the anaerobic chamber even during aeration, in addition to nitrogen removal through anaerobic agitation. This contributes to the prevention of eutrophication of oceans, rivers and wetlands.
Phosphorous Removal Through Biological Dephosphorization
For this system we adopted a phosphorous removal method that utilizes the work of microorganisms. Large ancillary equipment for phosphorous removal is not required.
* Please note that since the dephosphorization function is largely influenced by the properties of the inflowing raw water, complementary flocculant addition equipment is installed. In cases when performance is insufficient, flocculant will be added in order to stabilize phosphorous removal.
* The tank length measurement includes the single-side 80mm flange.
Specifications
Specifications for Housing Complex Use
Inflow BOD concentration: 200mg/ℓ 200ℓ/person/day
Drainage time: 12hrs For inflow pipe base less than GL-900mm
| Number of Users for Design | 51 | 60 | 70 | 80 | 90 | 100 | 120 | 140 | 160 | 180 | 200 | 300 | 400 | 500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average daily wastewater inflow (㎥/day) | 10.2 | 12.0 | 14.0 | 16.0 | 18.0 | 20.0 | 24.0 | 28.0 | 32.0 | 36.0 | 40.0 | 60.0 | 80.0 | 100.0 |
| Tank length (㎜) | 6,250 | 6,550 | 6,850 | 7,200 | 7,600 | 8,000 | 9,500 | 11,050 | 5,850 6,900 | 6,550 7,800 | 7,250 8,550 | 6,700 8,200 8,300 | 8,950 10,850 10,700 | 8,350 8,350 10,150 10,150 |
| Total electrical capacity (kW) | 3.98 | 4.13 | 4.18 | 5.23 | 5.93 | 6.58 | 6.73 | 8.48 | 16.28 | 21.68 | 19.06 | |||
Specifications for General Restaurant Use
Inflow BOD concentration: 200mg/ℓ 181ℓ/person/day
Drainage time: 8hrs For inflow pipe base less than GL-900mm
| Number of Users for Design | 51 | 60 | 70 | 80 | 90 | 100 | 120 | 140 | 160 | 180 | 200 | 300 | 400 | 500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average daily wastewater inflow (㎥/day) | 9.23 | 10.86 | 12.67 | 14.48 | 16.29 | 18.10 | 21.72 | 25.34 | 28.96 | 32.58 | 36.20 | 54.30 | 72.40 | 90.50 |
| Tank length (㎜) | 6,600 | 6,950 | 7,400 | 7,800 | 8,200 | 8,650 | 10,250 | 11,900 | 7,000 6,750 | 7,850 7,700 | 8,650 8,450 | 8,900 8,150 8,150 | 11,800 10,800 10,550 | 10,100 10,100 10,100 10,100 |
| Total electrical capacity (kW) | 3.98 | 4.03 | 4.18 | 4.28 | 4.38 | 6.28 | 6.58 | 6.73 | 17.03 | 18.18 | 19.76 | |||
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