Sökning: "chemical pretreatment"

Visar resultat 6 - 10 av 36 uppsatser innehållade orden chemical pretreatment.

  1. 6. Increase of biogas production by incorporating residual streams from agriculture

    Master-uppsats, Lunds universitet/Kemiteknik (CI)

    Författare :Stephanie Fjäll; [2022]
    Nyckelord :Anaerobic digestion; Agricultural residue; Lignocellulosic biomass; Mechanical pretreatment; Biogas production; Biorefinery; Chemical engineering; Agriculture and Food Sciences; Technology and Engineering;

    Sammanfattning : To expand the biogas production in Region Västra Götaland (RVG), residual streams from the agricultural sector can function as a large-scale supplier of biomass. The production of biogas decreases the dependence of fossil fuels and the digestate that is formed can also be returned to the agricultural sector, creating a closed loop. LÄS MER

  2. 7. Evaluation of the stability of immobilized lipases from Rhizomucor miehei and Rhizopus oryzae in high oleic sunflower oil

    Master-uppsats, Lunds universitet/Bioteknik (master); Lunds universitet/Bioteknik (CI)

    Författare :Jinxu Xu; [2021]
    Nyckelord :lipase; immobilization; oxidation; biotechnology; Technology and Engineering;

    Sammanfattning : Lipase is one of the most useful enzymes in food industry, which can catalyze the hydrolysis and the synthesis of esters. However, the high cost due to the poor operation stability of lipase hinders the wide use of it. LÄS MER

  3. 8. Identifying the Most Optimizing Methods and some Influential Conditions in Methane Yield out of Olive Wastes : A Comprehensive Meta-Analysis On Biochemical Methane Potential Tests

    Magister-uppsats, Linköpings universitet/Institutionen för tema

    Författare :HOMA JABERIZADEH; [2021]
    Nyckelord :Methane; anaerobic digestion; treatment; olive wastes; pretreatment; co-digestion; متان، هضم بی هوازی، زباله زیتون، تیمار، پیش تیمار;

    Sammanfattning : The organic wastes including olive oil mill residues are an inseparable part of food manufacturing processes while implying multi-faceted damages to the environment. A good quantity of research has been conducted to examine the biogas enhancement level in the anaerobic process of olive residues. LÄS MER

  4. 9. Alkaline wet oxidation of biorefinery lignin from wheat straw

    Master-uppsats, Lunds universitet/Kemiteknik (CI)

    Författare :Maja Lindblad; [2021]
    Nyckelord :alkaline wet oxidation; lignin oxidation; wheat straw; chemical pretreatment; biorefinery lignin; anaerobic digestion; response surface-modelling; chemical engineering; Technology and Engineering;

    Sammanfattning : Climate change and depletion of fossil resources have generated a need for energy production based on renewable resources such as lignocellulosic biomass. Agricultural residues, like wheat straw, is lignocellulosic biomass that could contribute to the energy supply if it was used for biogas production. LÄS MER

  5. 10. Process simulation of HMF production from wheat bran and sugar beet pulp

    Master-uppsats, Lunds universitet/Kemiteknik (CI)

    Författare :Matilda Petersson; [2021]
    Nyckelord :5-hydroxymethylfurfural; Wheat bran; Sugar beet pulp; Process simulation; Aspen Plus; Biorefinery; Chemical engineering; Technology and Engineering;

    Sammanfattning : Due to the progressing environmental problems related to global warming, the chemical industry is transitioning from fossil to renewable feedstocks. For added environmental benefits, surplus biomass from the agricultural industry which currently does not have any high-value applications can be used for production of chemicals. LÄS MER