Essays about: "Kraft recovery"

Showing result 1 - 5 of 43 essays containing the words Kraft recovery.

  1. 1. Continuous Hydrothermal Co-liquefaction of Biomass : An experimental study on the effects of fuel mixing on the composition and yield of biocrude and hydrochar

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Simon Fridolfsson; [2022]
    Keywords : HTL; TGA; SEM EDS; Co-liquefaction effects; GROT; Kraft lignin; Microalgae;

    Abstract : An experimental study on the effect of fuel mixing on the products resulting from hydrothermal liquefaction (HTL) was conducted. The feedstocks used were kraft lignin (KL), GROT (GT) and microalgae cultivated in wastewater (MA). Three sets of mixtures were prepared, each containing two types of feedstocks with a 1:1 ratio: KLGT, MAKL, and MAGT. READ MORE

  3. 2. Seawater Heat Recovery by the Utilisation of Phase Change Heat of Freezing : Technical feasibility study of a system for District Heating in the city of Helsinki

    University essay from KTH/Kraft- och värmeteknologi

    Author : Rakesh Ramesh; [2022]
    Keywords : District heating; Seawater; Ice slurry; Aspen Plus; Pressure drop; Fjärrvärme; Havsvatten; Isslurry; Aspen Plus; Tryckfall;

    Abstract : With the Paris agreement calling to limit global warming to 2°C below pre-industrial levels, with further efforts to ensure it stays below 1.5°C, the Finnish government passed the Lakihiilen energiakäytön kieltämisestä (416/2019), i.e. READ MORE

  4. 3. A case study on the integration of excess heat from Data Centres in the Stockholm district heating system

    University essay from KTH/Kraft- och värmeteknologi

    Author : Arianna Tofani; [2022]
    Keywords : heat recovery; district heating; circular economy; data centres; excess heat; värmeåtervinning; fjärrvärme; cirkulär ekonomi; datacenter; överskottsvärme;

    Abstract : The data centre industry is becoming more and more important due to the rapid increase of digitalisation in our society. However, data centres are large electricity consumers since electricity is needed for both the Information Technology (IT) equipment and the cooling systems, as a certain temperature must be maintained in the server rooms in order to guarantee service operations. READ MORE

  5. 4. 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

  6. 5. 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