STP & ETP

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  STP     Sewage treatment platn (residential & commercial) ETP     Effluent treatment plant (industry) COD     Chemical oxygen demand (soluble & insoluble organic compound) (2hr to 3hr) (mg/l) BOD     Biochemical oxygen demand (organic compound) (3days to 5days) (mg/l) KEY POINTS: Outlet of STP 50mg/l Biproduct of anaerobic digestion is H2S & NH3 To reduce stink smell use ozone 

WATER HEATER

 WATER HEATER






THE BASIC COMPONENT PRESENT IN WATER HEATER ARE:
  • Thermostat (Auto cut off) 90'C
  • Thermostat (Auto cut off & cut in) 25'C - 75'C
  • Heating Element (2 kW)
  • Power ON Lamp (Red)
  • Heating Lamp (Green)

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