Essays about: "Ultrafiltration"

Showing result 21 - 25 of 35 essays containing the word Ultrafiltration.

  1. 21. Ultrafiltration of Bleach Plant Efflunet from a Sulphite Pulp Mill-Influence of operating parameters

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Erna Trokic; [2017]
    Keywords : Ultrafiltration; bleach plant effluent; sulphite pulp mill; Technology and Engineering;

    Abstract : Stora Enso Nymölla Mill is an integrated pulp and paper mill located in south Sweden near the Baltic Sea. The mill uses ultrafiltration (UF) to remove compounds with a high chemical oxygen demand (COD) from the bleach plant effluent. UF is a separation technology using membranes. READ MORE

  3. 22. Membrane screening to identify optimal properties when separating organic matter from Bolmen water

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Olivia Söderman; [2017]
    Keywords : natural organic matter; ultrafiltration; nanofiltration; drinking water; membrane technology; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Chemistry;

    Abstract : In many places across the northern hemisphere, drinking water treatment plants (WTPs) need to avert the effects of deteriorating quality in surface water sources caused by increasing lev-els of natural organic matter (NOM). The two major factors responsible for this phenomenon, also called brownification, are the greenhouse effect and changes in soil acidification. READ MORE

  4. 23. Metal Fractionation in Snowmelt Runoff : A Comparison between Ultrafiltration and Diffusive Gradients in Thin Films (DGT) techniques

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Sarah Lindfors; [2017]
    Keywords : Urban Runoff; Metals; Ultrafiltration; Diffusive Gradients in Thin Films;

    Abstract : Urban runoff is a non-point pollution source deteriorating water quality of natural watersystems. The composition of urban runoff vary depending on land use, seasonal changes anddifferent surfaces that come into contact with the water. READ MORE

  5. 24. Nanofiltration of ultrafiltration permeate fom chemical wastewater

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Martin Gunnarsson; [2017]
    Keywords : total organic carbon; nanofiltration; wastewater; ultrafiltration; conductivity; chemical engineering; kemiteknik; Technology and Engineering;

    Abstract : The aim of this report was to investigate the possibility of further cleaning of the wastewater at Dow in Landskrona. Dow produces water based adhesives from acrylic monomers. The wastewater contains different metal ions, surfactants, residual monomers and polymers. READ MORE

  6. 25. Establishing a sustainable water supply in Chonyonyo, Karagwe, Tanzania

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Kristin Holmberg; [2017]
    Keywords : activated carbon filter; EPANET; microbiological barrier; MPN; pipe design criteria; storage effects; sustainable water supply; ultrafiltration; UV-light; water treatment; EPANET; hållbar vattenförsörjning; kolfilter; lagringseffekter; mikrobiologisk barriär; MPN; pipe design criteria; ultrafiltrering; UV-beredning; UV-ljus; vattenrening;

    Abstract : The small village Chonyonyo, in the district Karagwe in the northwest of Tanzania has a shortage of safe drinking water. Women and children spend several hours a day fetching water and gathering firewood to boil the water to make it more suitable for drinking. READ MORE