(1) Treatment of experimental drainage

1. Treatment capacity   250 m³/day
   
2. Treatment process
   raw water control → coagulation - precipitation with agent addition → filtration through sand / activated carbon → chelation treatment for mercury and heavy metal removal
   Discharged into sewerage after confirmation that analyzed values are under Effluent Standards.
   *Effluent Standards : standards are specified by Harima-Kogen Wide-Area Union (based on Water Pollution Control Law.)
   
   
   

(2) Automatic analyzer equipment of water quality

1. Raw water autoanalyzer
   To protect the facility, autoanalyzers are installed to detect the raw water that doesn't fit acceptance criteria．
   Analyzer
   Fluoride ion, Total-chromium, Total-cyanogen, Mercury, Oils, Phenol, Manganese
2. Treated water autoanalyzer
   Twelve analyzers are currently in operation.
   Analyzer
   Cadmium, Cyanogen, Hexavalent chromium, Arsenic, Lead, Fluoride ion, Total-chromium, Total-cyanogen, Mercury, Oils, Phenol, Manganese