Essays about: "black liquor"

Showing result 1 - 5 of 29 essays containing the words black liquor.

  1. 1. Sodium Model for Production Planning in a Paper Mill

    University essay from Umeå universitet/Institutionen för fysik

    Author : Isak Lindfors; [2022]
    Keywords : Paper Mill; Production Planning; Modelling; Liquor; Sodium;

    Abstract : In today’s pulp and paper industry the Kraft process is the most common method for pulp production. This method uses sodium based chemicals (white liquor) in the cooking process to remove lignin from the wood chips and create pulp. READ MORE

  2. 2. Alternative fuels for Swedish short sea shipping and inland waterways: Techno-economic study

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Julien Maszelin; [2022]
    Keywords : Alternative fuels Comparison Short sea shipping Inland waterways Sweden Biofuels Fischer-Tropsch Methanol Hydrogen Ammonia Fossil fuels Sustainable transportation;

    Abstract : Climate change is raising huge challenges for all industries worldwide. It is mainly due to anthropogenic activity and energy consumption which is the cause for emissions of greenhouse gas (GHG) among other environmental impacts and is expected to have huge impact on our societies globally. READ MORE

  3. 3. Sustainable Swedish Industry by Improved Excess Heat Recovery

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Erik Rosengren; [2022]
    Keywords : Excess Heat Recovery; Black Liquor Evaporation; Pulp and Paper; Retrofit; Agenda 2030; Water Technology; Resource Management; Waste Heat; Technical Validation; Chemical Engineering; Water Savings; Energy Efficiency; Greenhouse Gas mitigation; Spillvärme; Indunstning; Svartlut; Pappersmassaindustri; Energieffektivisering; Technology and Engineering;

    Abstract : Achieving a sustainable Swedish industry will require better utilization of resources already available and already spent. Nationally, vast amounts of heat are released into the atmosphere and not made use of. READ MORE

  4. 4. Concept development to extract sodium sulfate from an aqueous solution

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : André Selander; [2021]
    Keywords : biorefinery; aqueous solution; sodium sulfate; crystallisation; crystallization; kraft process;

    Abstract : Now when the interest is increasing to reach a sustainable infrastructure, one possibility SCA is experimenting with is the possibility to produce renewable hydrocarbons from black liquor which can be extracted from a Kraft process. However, when extracting the black liquor, a lot of sodium-based compounds are removed from the recovery process and when hydrocarbons are produced in SCA’s biorefinery, these compounds are caught in an aqueous solution. READ MORE

  5. 5. Technical Lignin Characterization of Acacia crassicarpa and Eucalyptus Hybrids

    University essay from KTH/Träkemi och massateknologi

    Author : Lutfi Difi Rosta; [2021]
    Keywords : Lignin; Acacia crassicarpa; Eucalyptus Hybrids; kraft cooking; kraft dissolving pulp cooking; Lignin; Acacia crassicarpa; Eucalyptus Hybrids; kraftkokning; kraftupplösning av massa;

    Abstract : Lignin är en av de vanligaste naturliga råvarorna på jorden och finns mestadels i trä. Nuförtiden är valoriseringen av lignin en av processutvecklingarna för teknologier inom massa- och pappersindustrin. Denna utveckling syftar till att öka värdet av lignin. READ MORE