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Wyniki wyszukiwania dla: membranes

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Wyniki wyszukiwania dla: membranes

  • Separation of bacteria in UF process

    Dane Badawcze
    open access

    Large quantities of water are used in car washing, so it is necessary to recycle the water, which is made possible by membrane filtration. FP100 (100 kDa) membranes have been used to treat car wash wastewater by ultrafiltration (UF). With time of operation, the properties of the membranes change. The membranes need to be cleaned periodically to prevent...

  • Tubular ultrafiltration car wash wastewater

    Dane Badawcze
    open access

    The commercial ultrafiltration (UF) tubular polyvinylidene fluoride (100 and 200 kDa) and polyethersulfone  (4 kDa) membranes were applied for filtration of carwash wastewater. Intensive fouling was notice, which caused over 50% permeate  flux reduction during 3-5 h of filtration process. This phenomenon was reduced by washing the membranes with alkaline...

  • Car wash water reuse

    Dane Badawcze
    open access

    The resistance of automotive coatings to washing water recovered in 50% and 70% from wastewater generated at car wash was tested. The wastewater was purified in the ultrafiltration process using tubular polyvinylidene fluoride membranes (100 and 200 kDa) manufactured by PCI company. The membranes retained oil contamination and over 50% of surfactants....

  • Biofouling UF car wash

    Dane Badawcze
    open access

    Polyethersulfone (PES) membranes were used to separate wastewater from car washes containing bacteria.After the separation was completed, the UF installations were washed with chemical agents.The study examined how effectively these chemical agents remove bacterial contamination from the installation.P3 Ultrasil 11 alkaline solutions (pH = 12) were...

  • Visualization of the surface of the Nafion membrane

    Dane Badawcze
    open access - seria: Scanning Probe Microscopies data

    Fuel cells use the chemical energy of hydrogen or other fuels to produce electricity. If the fuel is hydrogen, the only products are electricity, water and heat. Fuel cells are unique in the variety of their potential applications, they can use a wide variety of fuels. They are also highly scalable devices that can power both cars and mobile phones....