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증발농축 시설

Evaporation · Concentration

Type of device (classification by energy recovery method)
Multi Effect Concentrator
1EFFECT
  • Basic type consisting of one heat exchanger and one evaporator
  • The evaporated vapor is condensed in the vacuum condenser.
  • On evaporating 1 ton of wastewater, about 1.2 tons of steam is required.
  • If using waste heat, evaporative concentration is economical.
2EFFECT
  • 2 Two-stage composed of two heat exchangers and two evaporators.
  • The vapor evaporated in the second stage is used for concentration in the first stage.
  • Evaporation of 1 ton of waste water requires about 0.6 ton of steam.
  • It can be applied for concentration of medium and small wastewater.
3EFFECT (Steam consumption comparison)
Steam consumption comparison
  • 1 EFFECT (1.2 ton steam / 1.0 ton waste water)
  • 2 EFFECT (0.6 ton steam / 1.0 ton waste water)
  • 3 EFFECT (0.4 ton steam / 1.0 ton waste water)
  • 4 EFFECT (0.3 ton steam / 1.0 ton waste water)
4EFFECT