| abstract |
(57) [Summary] [PROBLEMS] To reduce the volume of marine organisms such as jellyfish, and to sufficiently purify the waste liquid generated by the volume reduction. SOLUTION: After jellyfish and the like are crushed by crushing means 2, alum and an oxidizing agent are added, foams are separated if necessary, then a coagulant is added, and solid-liquid separation is performed in a coagulation separation tank 4, and separated water. Is purified by the filter 5 and the activated carbon tower 6. |