| 摘要 |
PROBLEM TO BE SOLVED: To provide an environment-friendly dental therapeutic waste disposal system and a sludge reservoir device, which enable recovery of noble metals from a cutting treatment at the time of dental treatment etc., and mitigate processing burdens, on a purge, a sewage treatment equipment, or the like. SOLUTION: A sludge reservoir device 13 which reserves the sludge and discharges lessened sanitary sewage is mounted at the rear of a separator 7, to recover the sludge including the noble metals. The noble metals such as gold are extracted from the recovered sludge. COPYRIGHT: (C)2006,JPO&NCIPI
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