| 摘要 |
<p>AN The present invention concerns the use of selected and improved adsorbent coal materials to provide a high degree of treatment for landfill leachates, in a simple, effective and economical manner. The process involves a unique way of collecting leachates from either a newer controlled type of landfill operation or the conversion of an uncontrolled type, and again the process may be used to upgrade older covered fills of refuse to correct potential leachate problems therefrom. According to the invention the landfill leachates are collected, removed and treated to an acceptable standard suitable for discharge to surface waters or re-cycling to the landfill operation.</p> |
