Essays about: "material and energy balances"

Showing result 1 - 5 of 10 essays containing the words material and energy balances.

  1. 1. Biogas Potential in the North of Sweden : Inventory and Techno-Economic Assessment of Substrates for an Increased Biogas Production in Norrbotten

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Alma Fahlén Hammar; [2023]
    Keywords : Biogas; anaerobic digestion; AD; Norrland; bioenergy; fossil-free; chemical engineering; Chemistry; Technology and Engineering;

    Abstract : Great investments are planned in the north of Sweden the coming years, not the least in the county of Norrbotten where the projects collectively are referred to as the green transition due to the focus on fossil-free techniques. But to be able to secure a sustainable energy supply and reach the goal set by the member states of the European Union of a carbon dioxide neutral union in 2050 the production of alternative energy sources needs to intensify. READ MORE

  3. 2. Techno-economic evaluation of hydrochar via hydrothermal carbonisation of organicresidues

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

    Author : Abdirahman Abdullahi; [2022]
    Keywords : Technoeconomic analysis; energy system modelling; HTC; hyrochar; system integration; OSMET;

    Abstract : This thesis has investigated the techno-economic feasibility of upgrading the sludge from a chemical pulp mill to hydrochar via hydrothermal carbonization (HTC). The intended use of the hydrochar was to replace fossil coal within metallurgical applications in the iron and steel industry. READ MORE

  4. 3. Utilizing beach-cast seaweed for biochar production in Gotland : A study of energy and carbon balances of algal biochar

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

    Author : Johanna Sörbom; [2020]
    Keywords : ;

    Abstract : With global warming, rising environmental issues, and increased beach-cast production, climate change mitigation efforts are important for the future of the planet. Carbon dioxide removal technologies are now deemed essential to reach the Sustainable development goals and keep the temperature rise under 1.5 or 2 degrees °C. READ MORE

  5. 4. Influence of fuel mix on mass balance of Cl, S, and K in a long rotary kiln

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

    Author : Simon Nilsson; [2019]
    Keywords : ;

    Abstract : Lime is a material with a wide range of applications including land improvement, water treatment as well as the paper-, steel-, and cement industry. Annual worldwide production was estimated at 350 Mt/year for 2016 and 2017 and the production is responsible for a large contribution of the greenhouse gas CO2 to the atmosphere, contributing to global warming. READ MORE

  6. 5. Energy and material balances of wastewater treatment, including biogas production, at a recycled board mill

    University essay from Linköpings universitet/Energisystem

    Author : Igor Assis Lana e Cruz; [2016]
    Keywords : Biogas; anaerobic digestion; energy balance; paper mill; wastewater; optimisation;

    Abstract : Challenges surrounding energy have gained increased attention, which is not least reflected in the 2030 Agenda for Sustainable Development and the Sustainable Development Goals (SDGs). Energy issues have also become a pressing matter for most countries in the last decades. READ MORE