Essays about: "pulp"

Showing result 1 - 5 of 312 essays containing the word pulp.

  1. 1. Production optimization for district heating : Short-term planning of district heating grid in Gävle, Sweden

    University essay from Mälardalens högskola/Akademin för ekonomi, samhälle och teknik; Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

    Author : Nicolas Lindgren; Karl Brogren; [2019]
    Keywords : Short-term planning; Optimization; District heating; Linear programming; Mixed integer non-linear programming; Branch and bound; Heat storage; MATLAB; TOMLAB;

    Abstract : Energy systems with a high portion of renewable energy from wind and solar power can suffer from fluctuations in production due to weak winds or cloudy weather, which may affect the electricity price. When producing heat and power in a combined heat and power plant, an additional heat storage tank can be used to store the heat surplus which is obtained when the power production is high, and the heat demand is low. READ MORE

  2. 2. The Influences on the Optical Properties of Paperboard Due to Dye Additives

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Tanya Wallmon; [2019]
    Keywords : White water; buildup; polymer; dye; CIELAB;

    Abstract : In the paper industry the appearance and optical performance of coated and uncoated paperboard is important, therefore colour dyes are widely used to enhance the paperboard. In order to enhance the appearance of paper products, the dyes are added directly into the pulp and/or in the coating. READ MORE

  3. 3. Enzymatic Modification of the Interaction Between Lignin and Recycled Cellulose Fibers

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Manfred Klug; [2019]
    Keywords : Lignin; Pulp and Paper; Recycling; Biotechnology; Enzyme technology; Laccases; Chemical Engineering; Kemiteknik; Technology and Engineering;

    Abstract : The pulp and paper industry have been a growing market during the last decades. Due to higher environmental concerns among people, the recycling of papers has become an even more important part of the industry. Recycled paper fibers however are of lower quality than virgin fibers. READ MORE

  4. 4. The survival story of a newsprint mill. : A single case study of an industrial transformation at Hylte Mill.

    University essay from Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap; Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Author : Adam Örnstedt; Johanna Ejesson; [2019]
    Keywords : ;

    Abstract : Background: The pulp and paper industry (PPI) and its products is one of Sweden's largest export goods, with newsprint as one of its major sources of income. The historically stable context had led to innovation inertia something that became clear when a sudden decrease for newsprint occurred. READ MORE

  5. 5. Industrial Demand Response in the Primary Reserve Markets : A case study on Holmen’s Pulp and Paper Mill

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Federica Tomasini; [2019]
    Keywords : industrial demand response; pulp and paper industry; primary frequency control; stochastic optimization;

    Abstract : This thesis stems from the interest of Holmen group to investigate the opportunitiesavailable for large electricity consumers in the Swedish primary reserve markets.The study performed focuses on one of Holmen's paper mill and it aims at identifyinga load inside the production process that is suitable for providing frequency containmentservices for the grid. READ MORE