| 摘要 |
<p>PROBLEM TO BE SOLVED: To treat a large amount of vegetable refuse by an apparatus of small volume by a method comprising a pressing process for pressing out water of a vegetable refuse sent from a heating process for destroying the cell membrane of the vegetable refuse by heating and stirring, carrying out a solid-liquid separation to give a separated solid content and a fermenting process for using a compost raw material obtained by fermenting the separated solid content and drying. SOLUTION: A waste comprising plants having a high water content such as Chinese cabbage, cabbage, onion, fruits, etc., is optionally ground. The ground waste and about 0.2 wt.% based on its solid content of a fermentation microorganism are thrown into heating tanks 102 and 103 of a heating apparatus 1, heated to 40-90 deg.C on the average and stirred and mixed by paddles 105-108 for a fixed time. The treated material is thrown from outlets 112 and 113 to a solid-liquid separating basket 202 of a screw press 2 arranged below the heating apparatus 1 and water discharged out of the cells is drained from an outlet 208. The residual solid component is transported while being pressed by the rotation of a screw 204 and discharged from an outlet 209 at the end. Then the solid component is thrown into a fermentation tank, heated and stirred for a given time and fermented to give a completely aged compost raw material.</p> |
