Essays about: "green liquor dregs"

Found 3 essays containing the words green liquor dregs.

  1. 1. GEOPOLYMERS WITH GREEN LIQUOR DREGS : An investigation of the possibility tomanufacture a geopolymer based on residual streams

    University essay from Umeå universitet/Kemiska institutionen

    Author : Martin Sundqvist; [2021]
    Keywords : ;

    Abstract : The pulp and paper industry make up a large part of the Swedish industry and is alsogrowing worldwide. With its growth, the amounts of residuals that are produced alsoincrease. The estimated annual global amount of residuals generated from pulp millsexceeds 1 million tons. READ MORE

  2. 2. Evaluating the effective oxygen diffusion coefficient in blends of till and green liquor dregs (GLD) used as sealing layer in mine waste covers

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Anna Virolainen; [2018]
    Keywords : Oxygen diffusion; green liquor dregs; mine waste; covers; sealing layers;

    Abstract : Dry covers can be used to limit the generation of acid mine drainage from sulphidic mine waste exposed to air and water. For the covers to act efficiently a high degree of saturation should be maintained in the cover, as the diffusion of oxygen is substantially reduced in water compared to that in air. READ MORE

  3. 3. Changes in green liquor dregs after leaching with various acidic media

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Mio Skagerkvist; [2017]
    Keywords : ARD; CORRELATION; FTIR; GLD; PCA; SIMCA;

    Abstract : Green liquor dreg (GLD) is a residual product that could be a solution to the problem with acid rock drainage. More information about how this material reacts and is affected when in contact with acid rock drainage (ARD) is needed. Different acidic media was used to investigate trace element leaching and the possible spectral changes using FTIR. READ MORE