Search for dissertations about: "SOLID WATER"

Showing result 11 - 15 of 448 swedish dissertations containing the words SOLID WATER.

  1. 11. Plant-availability of phosphorus removed from wastewater by different processes

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Elisabeth Kvarnström; [2001]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering;

    Abstract : The objective of this thesis was to investigate the plant-availability of P removed from wastewater by different processes, with focus on agronomic aspects. Short-term P availability was assessed by greenhouse studies, utilizing four different filter substrates and a sludge-recovered iron phosphate. READ MORE

  2. 12. Experiments with sand slurries pumped in 0.1 to 0.5 m diameter pipeline loops

    University dissertation from Luleå tekniska universitet

    Author : Lee Whitlock; [2003]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vattenteknik; Water Resources Engineering;

    Abstract : The overall objective was to investigate the effectiveness of using high solids concentrations when transporting sand slurries in pipelines with centrifugal pumps. In detail, the aims are to present large-scale experimental pipe friction loss results and how head, efficiency and net suction head performance are influenced by the solid particles in large pumps and to compare friction loss data with a design model. READ MORE

  3. 13. Influence of fractures and air bubbles on the pressure distribution embankment dams

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Mats Billstein; [2000]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vattenteknik; Water Resources Engineering;

    Abstract : In some large embankment dams unexpected pore pressure distributions within the core have been observed. As an example, the piezometer pressures in WAC Bennett Dam, Canada, which rose for about four years after the reservoir was filled, were steady for two years and subsequently declined. READ MORE

  4. 14. Hydrogeological and geochemical assessment of aquifer systems with geogenic arsenic in Southeastern Bangladesh Targeting low arsenic aquifers for safe drinking water supplies in Matlab

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Mattias von Brömssen; KTH.; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Arsenic; Bangladesh; drinking water; groundwater; sustainability; geochemistry; hydrogeology; modelling;

    Abstract : Naturally occurring arsenic (As) in Holocene aquifers in Bangladesh have undermined a long success of supplying the population with safe drinking water. Arsenic is mobilised in reducing environments through reductive dissolution of Fe(III)-oxyhydroxides. READ MORE

  5. 15. Probing unoccupied electronic states in aqueous solutions

    University dissertation from Stockholm : Fysikum

    Author : Lars-Åke Näslund; Stockholms universitet.; [2004]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; x-ray absorption; x-ray absorption spectroscopy; XAS; NEXAFS; water; liquid water; aqueous solution; hydrogen bond; hydrogen bond network; local geometry; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik;

    Abstract : Water is one of the most common compounds on earth and is essential for all biological activities. Water has, however, been a mystery for many years due to the large number of unusual chemical and physical properties, e.g. decreased volume during melting and maximum density at 4 °C. READ MORE