Essays about: "ECF"

Showing result 1 - 5 of 13 essays containing the word ECF.

  1. 1. Impact of pre-treatments on the brightness stability of a conventional and near neutral pH ECF-light bleaching sequence

    University essay from KTH/Fiber- och polymerteknologi

    Author : Ali Amirjani; [2023]
    Keywords : ECF; Bleaching; Pulp; AOX; Brightness Stability; ECF; Blekning; Massa; AOX; Ljushetsstabilitet;

    Abstract : Syftet med denna studie är att undersöka inverkan av förbehandlingar på ljushetsstabiliteten av Northern Bleached Softwood Kraft (NBSK) som har blekts enligt (OO) (OP) D/Dn (PO) bleksekvensen. Effekten av förbehandling med xylanas (X), mild sur (A), DTPA (Q) samt ett kombinerad DTPA- & xylanassteg (Q+X) har studerats. READ MORE

  3. 2. Analysis of Methanol Based Chlorine Dioxide Production : An analysis of sodium chlorate reduction efficiency and investigation of salt cake filter wash on an SVP-LITE® system

    University essay from Karlstads universitet

    Author : Emil Lundh; [2023]
    Keywords : ECF; SVP-LITE®; chlorine dioxide; bleaching; ECF; SVP-LITE®; Klordioxid; blekning;

    Abstract : This work aimed to determine how effective an SVP-LITE® chlorine dioxide plant at Vallviks Bruk was running. This was done by determining the chemical consumption per unit of chlorine dioxide produced. The calculations relied upon online instrumentation that was manually validated. READ MORE

  4. 3. Activity patterns of African buffalo (Syncerus caffer) and the transmission of East Coast Fever (ECF) to domestic cattle in Laikipia County, Kenya

    University essay from SLU/Dept. of Clinical Sciences

    Author : Alva Sellgren Molander; [2022]
    Keywords : Buffalo; Syncerus caffer; East coast fever; ECF; Theileria parva; Corridor disease; CD; Kenya; Laikipia;

    Abstract : In this study we examined the potential connection between East Coast Fever (ECF) and the local activity pattern of African buffalo in the Ol Pejeta Conservancy (OPC), in Laikipia county, Kenya. Buffalo activity was examined at OPC’s wildlife corridors, which work as the only gates for the animals to pass in and out of the area, by looking at approximately 32 000 pictures taken by infra-red cameras during the year 2019. READ MORE

  5. 4. Impact of rainfall on East Coast Fever in cattle at Ol Pejeta Conservancy, Kenya

    University essay from SLU/Dept. of Clinical Sciences

    Author : Nikitta Afonso; [2022]
    Keywords : East Coast Fever; ECF; Theileria Parva; tick-borne disease; Kenya; cattle; precipitation; oxpecker;

    Abstract : Weather conditions commonly have a large impact on tick-borne diseases as it affects the abundance of the tick vector. The cattle disease East Coast Fever (ECF) is no exception. Rainfall particularly seems to play an important role in the transmission of ECF. READ MORE

  6. 5. Smittspridning och förebyggande åtgärder för East Coast Fever : påverkande faktorer i boskapens miljö

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Johanna Börs; [2022]
    Keywords : East Coast Fever; ECF; Theileria parva; Rhipicephalus appendiculatus; Bos indicus; Bos taurus; nötkreatur; Syncerus caffer; afrikansk buffel;

    Abstract : East Coast Fever orsakas av den encelliga parasiten Theileria parva och är en av de viktigaste sjukdomarna hos nötkreatur i Afrika då många djur smittas och dör genom kliniska symptom. Utöver att sjukdomen är plågsam påverkas även djurvälfärden negativt. READ MORE