Case Study : Exterior Wall Paint Wastewater
Background Information
A manufacturer of exterior wall material in Tokai Region.
To reduce a load of the septic tank inside the factory, they installed KDS Dewatering System as primary treatment.
| Facility | Exterior Wall Material Factory |
|---|---|
| Kendensha Product | KDS Dewatering System |
| KDS Separator Model | SS-612 1.0mm gap, Three-phase, 200V、0.4ｋW |
Data
| Raw Water [mg/L] |
KDS Separator Filtrate [mg/L] |
|
|---|---|---|
| SS | 32,000 | 210 |
| COD | 2,800 | 2,300 |
| SS Recovery Rate | ||
|---|---|---|
| 98.5% | ||
| Dewatered Cake Water Content (after naturally dried in flexible container） |
||
| 70-74% (Dryness 26-30%) |
Current Treating Capacity
| Flaw Rate [m3/hr] |
Solid Thickness [%] |
Treatomg Capacity [kgDS/hr] |
Powder Type Flocculant Dosage per raw water[mg/L] |
Dewatered Cake Dryness [%] |
|---|---|---|---|---|
| 1.5 | 3.2 | 48 | 1,500 | 23.9 |
| 2.0 | 3.2 | 64 | 1,500 | 23.4 |
| 2.2 | 3.2 | 70.4 | 1,500 | 22.7 |
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