摘要 |
<p>A permanent storage facility, particularly a landfill for the disposal of municipal solid waste, comprising a plurality of horizontal drainage systems (4a,4b) that are connected to each other and to a device for aspirating the generated biogas. The horizontal drainage systems are arranged in a grid, so as to form one or more superimposed layers, and are constituted by a loose stone layer (8) that is permeable to liquids and inside which there are first biogas conveyance means (9), second percolate conveyance means (11), and third means for separating one another the first and second means. <IMAGE></p> |