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Large Scale RO(reverse osmosis) Plant for Datong Coal Mine Water Desalination 120000LPH

2019-05-14 13:46:00 13 Mike.Ge

This RO module was designed for Pingdingken Energy Company in Datong coal mine, supplying daily pure water for over 10000 employees. The raw water is from rain/lake, TDS between 2500-3500ppm and output TDS between 20-40ppm.

System specifications

  • Project: 120000LPH reverse osmosis filtration plant
  • Processing capacity: 120000L/H
  • Desalination rate: ≥99%
  • Revovery rate: 50%-75%
  • Raw water: river water, TDS: 3500ppm
  • Product water: High purity sterile water for food processing, TDS: ≤40ppm
  • Pretreatment: Sand filter+carbon filter+water softener+1um micron filter
  • RO module: 120*Vontron LP22-8040 membrane+UV sterilizer
  • Valve: Runxin timer automatic
  • Controller: Siemens PLC+MCGS touch screen+Ai remote debugging
  • Power consumption: 125.5KW max

Feed water limits

  • Max operating pressure: 600psi(4.13Mpa)
  • Temperature: 5-45°C (113°F)
  • Max chlorine concentration: 0.1mg/L
  • Max feed flowrate: 17 m3/hr(75.0gpm)*120
  • Max feed turbidity: 1.0 NTU
  • Max feed SDI (15 minutes): 5.0
  • Feed pH range ( nominal): 2.0-11.0

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