Essays about: "MARK III"

Showing result 6 - 10 of 19 essays containing the words MARK III.

  1. 6. Restriction of manure application on high phosphorus soils - Is current research supporting a restriction and what measures are in effect in different European countries?

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Oscar Hassby; [2016]
    Keywords : Manure; agriculture; phosphorus; leaching; lysimeter; column; manure legislation; meta-analysis; Earth and Environmental Sciences;

    Abstract : The Swedish Water Authorities have proposed a measure to reduce phosphorus losses by restricting manure application on soils with high levels of plant available phosphorus. The aim of this thesis was to investigate if leaching of phosphorus will decrease if the measure is implemented, if the effect is restricted to soils with high phosphorus content and if other European countries have implemented similar measures. READ MORE

  2. 7. Evaluation of the efficiency of treatment techniques in removing perfluoroalkyl substances from water

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Sandra Lundgren; [2014]
    Keywords : PFAS; removal efficiency; MIEX®; iron III chloride; Powdered activated carbon; nanofiltration membrane; dissolved organic carbon;

    Abstract : Perfluoroalkylated substances (PFASs) are a group of synthetic compounds that have gained growing attention due to their environmental persistence, toxicity and their potential to bioaccumulate. Even though PFASs are not occurring naturally in our environment, they are globally distributed and can be found ubiquitously in air, water, soil, wildlife as well as in humans. READ MORE

  3. 8. Transport of per- and polyfluoroalkyl substances in soil and groundwater in Uppsala, Sweden

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Sofia Bergström; [2014]
    Keywords : PFASs; PFOS; perfluoroalkyl substances; groundwater; soil; surface water; river water; drinking water; aqueous film forming foams;

    Abstract : In recent years, per- and polyfluoroalkyl substances (PFASs) have received increasing public attention due to their persistence, bioaccumulation potential and toxicity to humans and wildlife. PFASs are widely used in various products including surfactants in paper, textiles, and aqueous film forming foams (AFFFs). READ MORE

  4. 9. Arsenic Removal From Flue Gas Condensate with Ferrihydrite Precipitation.

    University essay from KTH/Mark- och vattenteknik

    Author : Louise Waldenström; [2014]
    Keywords : Waste wood; Pressure-treated wood; Flue gas condensate; Arsenic removal by precipitation; Ferrihydrite; TMT 15;

    Abstract : At the Idbäcken combined heat and power (CHP) plant waste wood is combusted. The flue gas from the combustion is condensed and heavy metals and other toxic species ends up in the condensate water. READ MORE

  5. 10. Distribution and Mobility of Arsenic in the Shallow Aquifers of Northeastern of La Pampa Province, Argentine.

    University essay from KTH/Mark- och vattenteknik

    Author : Anna Aullón; [2013]
    Keywords : Arsenic; fluoride; shallow aquifer; La Pampa; loess sediments and volcanic ash;

    Abstract : More than two million people in the Chaco-Pampean plain in central Argentina are affected by high As levels in groundwater. The concentrations of As are far exceeding the WHO standard limit for safe drinking water of 0.1 μg/L and the provisional Argentinean limit of 0.5 μg/L. READ MORE