Skip to content
    Get in Touch
    Close
    Menu
    Contact Us

    Your application

    Mechanical Vapor Recompression - MVR

     

    Reduction of live steam, cooling water, and CO2 emissions through electricity-based evaporation

     

    In mechanical vapor recompression, an electrically driven compressor compresses the vapor and utilizes it for heating the evaporator.

    Depending on the requirements, single-stage or multi-stage turbo compressors are used.

     
    SappiSaiccor_16_9


    GIG Karasek realized the world's largest mechanical vapor recompression evaporation plant for Sappi Saiccor pulp mill in South Africa. @ GIG Karasek

     

    Mechanical vapor recompression enables a significant reduction in a plant‘s CO2 footprint if electricity from renewable sources is used.

    Additionally, the system stands out with exceptionally low operating costs and minimal cooling water requirements.

    Download brochure
    Our portfolio

     

    ADVANTAGES

    • Reduced consumption of live steam and cooling water

    • Significantly reduced operating costs in many cases

    • CO2 savings through electrical energy as the main energy source

    • Gentle evaporation temperature

    • Reuse of low-pressure steam possible

    Book a meeting

    Functional principle

    Process steam (vapor) is compressed by an electrically driven compressor, its temperature and thus energy level is raised, and finally reused to heat the evaporator.

    Depending on the application (boiling point increase, heat transfer) single-stage or multi-stage turbo compressors work on the principle of an open heat pump.

    Areas of application

    • Pre-evaporation of black liquor

    • Milk / whey

    • Starch

    • Sugar

    • Alcohols

    • Pectins

    • Citric and acetic acid

    • Oil recycling

    • Boiler feed water

    • Meat and fish utilization

    Typical operating parameters

    • Dimensions: 300 – 10.000 sqm

    • Feed rates: 5.000 kg/h – 150.000 kg/h

    • Operating pressure: ≥ 80 mbar abs.

    • Heating temperature: ≤ 200°C

    • Operating pressure: -1 / +5 bar(g)

    • Viscosity: ≤ 250 mPas

    Plant design

    We design each evaporation plant individually based on the specific requirements and needs of our customers. Precise alignment with the respective process conditions is crucial for optimal sizing. The result: minimal investment costs with maximum energy efficiency.

    GIG Karasek Environmental Technologies

    Visit our Newsroom!


    Here you can find the latest NEWS, our EVENT CALENDAR or further INSIGHTS featuring our key topics.

    On the topic of MVR (Mechanical Vapor Recompression), we have published the following success story:

    World's largest mechanical vapor recompression evaporation plant for Sulphite Spent Liquor at the Sappi Saiccor pulp mill in South Africa