Essays about: "delignification"

Showing result 1 - 5 of 12 essays containing the word delignification.

  1. 1. Production, Purification, and Characterization of wood substrates and Galactose oxidase enzyme

    University essay from KTH/Industriell bioteknologi

    Author : Rakhesh Pongalikonnar Ranganathan; [2023]
    Keywords : Peracetic acid treatment; Galactose oxidase; Pichia pastoris; Biomass recalcitrance; Enzymatic upgrading; Perättiksyrabehandling; Galaktosoxidas; Pichia pastoris; Motsträvighet i biomassa; Enzymatisk uppgradering;

    Abstract : Trä är den bästa förnyelsebara källan för att producera många produkter på grund av dess biokompatibla och biologiskt nedbrytbara natur. Träets biomassa har en motstridig natur mot enzymatisk uppgradering. READ MORE

  2. 2. Exploration of ways to utilize wheat chaff through fungal substrate conversion : a base for animal feed or substrate for cultivation of edible mushrooms

    University essay from SLU/Department of Molecular Sciences

    Author : Caroline Sandberg; [2022]
    Keywords : harvest residues; chaff; oyster mushroom; agro-waste reduction; mushroom production;

    Abstract : The shift towards a more sustainable food system emphasises a need for increased circularity and valorisation of available resources. Chaff constitutes one of three main fractions obtained upon harvest of certain crops, during which it is generally discarded on the field. READ MORE

  3. 3. Ultrasound pre-treatment of wheat bran to improve arabinoxylan extraction

    University essay from SLU/Department of Molecular Sciences

    Author : Louise Lundquist; [2022]
    Keywords : Ultrasound; Arabinoxylan; wheat bran; alkaline extraction;

    Abstract : With increasing amounts of food waste and diet related diseases, the need to utilize our by-products of food for its health benefits and to limit the food waste has never been more prevalent. Wheat bran is a by-product from the wheat flour industry and contains a lot of dietary fibres which has a beneficial effect on human health. READ MORE

  4. 4. Spruce bark biorefinery

    University essay from KTH/Fiber- och polymerteknologi

    Author : Leon Ahlström; Rebecca Mattsson; Hampus Eurén; Alicia Lidén; [2021]
    Keywords : Norway spruce bark; bark biorefinery; extractives; cellulose; lignin; non-cellulose; polysaccharides; soxhlet extraction; hot-water extraction; organosolv extraction; PAA; delignification; carbohydrate analysis; 2D HSQC-NMR and FTIR; Granbark; bark bioraffinaderi; lignin; organosolv extraktion; hot-water extraktion;

    Abstract : Spruce Bark contains several fundamental main substances; lignin, non-cellulose polysaccharides, cellulose and extractives. This undergraduate study focuses on developing a process to extract each of these components from spruce bark using a biorefinery concept, with a main focus on extracting lignin without degradation. READ MORE

  5. 5. Development of pulp fiber charge in oxygen delignification of softwood

    University essay from KTH/Fiber- och polymerteknologi

    Author : Jiahao Mai; [2021]
    Keywords : fiber; fiber charge; fine content; oxygen delignification; softwood; fiber; fiberladdning; finmaterial; syrgasdelignifiering; barrved;

    Abstract : Esteves et.al. 2020 visade att syrgasdelignifiering ökar den totala fiberladdningen men leder inte alltid till ökad pappersstyrka. Denna studie syftar till att undersöka hur fiberladdning påverkar massans egenskaper. READ MORE