| 摘要 |
<p>The apparatus comprises a container 1 having input means 2 and output means 4, 5. The container holds a porous particulate material 6 supporting plants 8. The container has an anaerobic zone 11 which is devoid of the particulate material and plants. The plants may be common reeds. The apparatus is used to treat waste water containing contaminants from the servicing and repair of motor vehicles.</p> |
