Search results with tag "Sludge treatment and disposal"

Sludge Treatment and Disposal - jwrc-net.or.jp

5 9 • 1917 – First Trickling Filter Plant • 1948 – First Activated Sludge Plant • 1961 to 1981 – 5 additional Activated Sludge Plants built to cater to: • Rapid Industrialisation • Development of New Towns (Public Housing) • 1987 – Nightsoil bucket system totally phased out Used Water System – Brief History 10 Physical Evolution of Water Reclamation Plants

  Sludge, Treatment, Disposal, Sludge treatment and disposal