| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sludge treatment device which is compact, which reduces running cost, and which saves maintenance.SOLUTION: A wastewater treatment system comprises: a biological treatment tank having two or more tanks for performing biological treatment of wastewater; a solid-liquid separator for separating the wastewater treated in the biological treatment tank; and a mesh-like woven cloth bag. The sludge separated by the solid-liquid separator is filled in the mesh-like woven cloth bag by transfer means, and in the bag, dewatering and drying of the sludge are performed.</p> |
