| 摘要 |
<p>An anaerobic digester (1) consisting of a containing structure (2) defining a housing chamber (3) therein for the biomass to be treated and wherein an opening (4) is obtained for the inlet and outlet of the biomass, which opening can be closed by a door (5), and a mobile false ceiling (10) placed inside the housing chamber (3) which can be moved by operating means (11) between a raised position and a lowered position.</p> |
