| 摘要 |
<p>PROBLEM TO BE SOLVED: To apply wastewater and waste derived from organisms to a combined treatment method thereby preventing the generation of surplus sludge almost perfectly, recovering energy and phosphorus contained in pollutants and wastes at a high rate, and reducing the installation space of treatment equipment, running cost, etc. SOLUTION: This combined treatment method of wastewater and wastes derived from the organisms comprises a solid-liquid separation process 10 for separating liquid 11 and solids 12 in wastewater 104, an anaerobic biological process 20 for treating the liquid 11, an aerobic biological treatment process 30 for treating the pollutants remaining in an anaerobically treated liquid 21 from the anaerobic biological process 20, a crushing and mixing process 40 for crushing and mixing the wastes 105, anaerobic surplus sludge 22 of the anaerobic biological process 20, and aerobic surplus sludge 32 of the aerobic biological process 30, and a solubilization process 50 for solubilizing the mixed solids 107 from the crushing and mixing process 40. The solubilized liquid 51 and a solid residue 52 from the solubilization process 50 are transferred to the anaerobic biological process 20 and the aerobic biological process 30 respectively to be treated therein.</p> |
