Wastewater Treatment Plant (Johkasou) | .
''s environmental friendly wastewater treatment plants (Johkasou) wastewater treatment plants, which have achieved 90% or higher BOD removal rate, deliver excellent treated water quality with BOD of 20 mg/l or less (in case influent BOD is 200 mg/l). Their compact body fits any installation place while providing powerful treatment performance comparable to a sewage system. .