| 摘要 |
<p>A method of treating water which comprises, forming a mixture of a particulate natural organic substrate with a flow control component, exposing the water to contact with oxygen containing gas over a large surface area, and causing the water to trickle through a column of the mixture, wherein the particulate natural organic substrate is adapted to support growth of aerobic bacteria and the flow control component is adapted to create a plurality of sinuous pathways for the water trickling through the column.</p> |
