Sökning: "massa"

Visar resultat 1 - 5 av 308 avhandlingar innehållade ordet massa.

  1. 1. Selective conversion of alcohols to aldehydes over metal oxide catalysts

    Författare :Mariano Massa; [2013]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Nowadays, transition metal oxide catalysts are employed to a large extent in many chemical processes for the selective production of chemicals and intermediates. Although metal oxides are mostly known as oxidation catalysts, they can successfully catalyze a wide range of reactions, such as dehydration. LÄS MER

  2. 2. Bonding Ability Distribution of Fibers in Mechanical Pulp Furnishes

    Detta är en avhandling från Sundsvall : FSCN - Fibre Science and Communication Network

    Författare :Sofia Reyier; Mittuniversitetet.; [2008]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fiber; mechanical pulp; bonding ability; fiber characterization; Bonding Indicator; BIN; acoustic emission; hydrocyclone; Fiberlab; collapse resistance; fibrillation; Fiber; mekanisk massa; bindningsförmåga; fiber karakterisering; Bindnings Indikator; BIN; akustisk emission; hydrocyklon; Fiberlab; kollaps resistans; fibrillering; TECHNOLOGY Chemical engineering Chemical process and manufacturing engineering Cellulose and paper engineering; TEKNIKVETENSKAP Kemiteknik Kemisk process- och produktionsteknik Cellulosa- och pappersteknik;

    Sammanfattning : This thesis presents a method of measuring the distribution of fiber bonding ability in mechanical pulp furnishes. The method is intended for industrial use, where today only average values are used to describe fiber bonding ability, despite the differences in morphology of the fibers entering the mill. LÄS MER

  3. 3. Anaerobic digestion in the kraft pulp and paper industry Challenges and possibilities for implementation

    Detta är en avhandling från Linköping : Linköping University Electronic Press

    Författare :Eva-Maria Ekstrand; Bo H Svensson; Annika Björn (Fredriksson); David Bastviken; Jukka Rintala; [2019]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Pulp and paper; anaerobic digestion; fibre sludge; activated sludge; condensates; bleaching wastewater; wastewater treatment; methane; degradability; nutrient recirculation; Pappers- och massa; anaerob nedbrytning; fiberslam; aktivt slam; kondensat; vattenrening; metan; nedbrytbarhet; näringsåterföring;

    Sammanfattning : The pulp and paper industry is a large producer of wastewater and sludge, putting high pressure on waste treatment. In addition, more rigorous environmental legislation for pollution control and demands to increase the use of renewable energy have put further pressure on the pulp and paper industry’s waste treatment, where anaerobic digestion (AD) and the production of methane could pose a solution. LÄS MER

  4. 4. Energy Management for Improved Energy Efficiency in the Pulp and Paper Industry : Success Factors for Strengthening Drivers and Overcoming Barriers

    Detta är en avhandling från Linköping : Linköping University Electronic Press

    Författare :Akvile Lawrence; Magnus Karlsson; Patrik Thollander; Lars J. Nilsson; [2019]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy management; barriers; drivers; energy efficiency; pulp and paper industry; industry; energiledning; drivkrafter; hinder; framgångsfaktorer; energieffektivitet; SEC; specifik energi; industri; massa; papper; energiintensiv; tillverkning;

    Sammanfattning : Industrial energy efficiency improves the profit and competitive advantage of companies. The pulp and paper industry (PPI)being one of the five most energy-intensive industries uses 5.6% of global industrial energy, according to the InternationalEnergy Agency. LÄS MER

  5. 5. Energy Management for Improving Energy Efficiency in the Pulp and Paper Industry Success Factors for Strengthening Drivers and Overcoming Barriers

    Detta är en avhandling från Linköping : Linköping University Electronic Press

    Författare :Akvile Lawrence; Linköpings universitet.; Linköpings universitet.; [2019]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy management; drivers; barriers; success factors; energy efficiency; SEC; specific energy; industry; pulp; paper; energy intensive; manufacturing; energiledning; drivkrafter; hinder; framgångsfaktorer; energieffektivitet; SEC; specifik energi; industri; massa; papper; energiintensiv; tillverkning;

    Sammanfattning : Industrial energy efficiency improves the profit and competitive advantage of companies. The pulp and paper industry (PPI) being one of the five most energy-intensive industries uses 5.6% of global industrial energy, according to the International Energy Agency. LÄS MER