Table 8.2 On-site treatment systems
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| Type of wastewater |
Treatment system |
| Combined greywater and blackwater |
- septic tank
- septic tank with filter
- septic tank with constructed subsurface flow wetland
- septic tank followed by a sand filter
- aerated wastewater treatment package plant (AWTS)
|
| Blackwater only |
- all of the above, provided a flush system is used
- composting toilet
- transportation by tanker to a treatment site
|
| Greywater only |
- septic tank
- grease trap plus a subsurface wetland
- some commercial greywater systems
|
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