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    Multiple-effect Evaporation Plants

     

    Energy efficiency with high evaporation rates

     

    In multi-stage evaporation plants, the vapor from the liquid medium is used to heat the subsequent stages. This significantly reduces the use of primary steam, allowing the plant to operate in a cost- and energy-efficient manner.

    In-house production

     

    GIG Karasek manufactures its key components and special high-pressure equipment in Austria. In Gloggnitz, we focus on our falling-film evaporators and lamella production. 

     
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    @ GIG Karasek

     

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

    Falling-film - multiple-effect evaporation

    • Plate thin-film evaporators

    • Tube thin-film evaporators

    Forced and natural circulation multi-stage evaporation

    Rising film multi-stage evaporation

     

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    Our portfolio

     

    ADVANTAGES

    • Optimized energy consumption/costs

    • Highest evaporation rates possible

    • Ideal for substances with a higher boiling point rise

    • Improved condensate quality through condensate separation

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    Functional principle

    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.

    Areas of application

    PULP INDUSTRY

    • Concentration of sulfite & sulfate liquor

    • Concentration of pulp for pulp production for the regenerated fiber industry

    • Concentration of lignosulfonates

    • Concentration of  xylose

    • Concentration of bleaching water

    • Recovery of spinning bath solutions from the fiber industry

       

    GENERAL APPLICATION AREAS

    • Recovery of solvents and alcohols

    • Separation of water, solvents, alcohols and more

    • Recovery of recylables

    • Volumereduction of liquid-liquid-mixtures

    • Separation of multi-substance mixtures

    OTHER INDUSTRIAL APPLICATIONS

    • Starchindustry

    • Sugarindustry

    • Saltworks

    • Wastewater

    • Chemical Industry

    • Pharmaceutical Industry

    GIG Karasek Environmental Technologies

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