Conventional evaporation technology

Multiple Effect Evaporation Plants

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Multiple effect evaporation plants

Multiple effect evaporation plants combine high evaporation capacity with optimized energy efficiency. By reusing vapor from one effect to heat the next, they significantly reduce live steam consumption and operating costs. This proven technology is particularly well suited for concentrating process liquids, recovering solvents and valuable substances, and reducing wastewater volumes across industries such as pulp, chemicals, starch, sugar, and environmental applications.

Multiple Effect Evaporation Plants

How it works

While the first evaporation stage is heated with live steam, vapor from the previous stage is used to heat the heating surfaces in the subsequent stages. As the number of effects increases, the specific live steam input gets reduced.

The number of stages usually depends on the specified temperature effects. The temperature sensitivity of the medium, the maximum available heating steam pressure, and the cooling water temperature are further important parameters.

Advantages

  • Optimized energy consumption/costs
  • Highest evaporation rates possible
  • Ideal for substances with a higher boiling point rise
  • Improved condensate quality through condensate separation

Applications

PULP INDUSTRY

  • Concentration of sulfite spent liquor, black liquor, lignosulfonates, bleachery wastewater
  • Recovery of spinning bath solutions from the fiber industry

 

GENERAL APPLICATION AREAS

  • Recovery of solvents and alcohol as well as recyclables
  • Separation of water, solvents, alcohols and multi-substance mixtures
  • Volume reduction of liquid-liquid-mixtures

 

OTHER INDUSTRIAL APPLICATIONS

  • Chemical Industry
  • Starch industry
  • Sugar industry
  • Wastewater
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Scope of supply

GKT has been a leading provider of the following falling-film concepts for years:

– Single Effect Evaporation
– Multiple Effect Evaporation
– Technology combinations (forced circulation, rising film, etc.)

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Multiple effect evaporation plant by GKT GKT lamella technology for plate falling-film evaporators

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