Essays about: "thermochemical pretreatment"

Found 4 essays containing the words thermochemical pretreatment.

  1. 1. Upgrading of biomass: alternative ways for biomass treatment

    University essay from KTH/Kraft- och värmeteknologi

    Author : Diego Ching; [2014]
    Keywords : biomass; hydrothermal; carbonization; biofine; ethanol; upgrading;

    Abstract : As the world population and wealth increases it is necessary to look for sustainable alternatives to guarantee modern living standards. With depleting resources and the threat of global warming, biomass is emerging as a promising alternative to lay the basis for a bio-based sustainable economy. READ MORE

  3. 2. Activity and synergistic action on cellulosic substrates of engineered product-site variants of Hypocrea jecorina Cel7A

    University essay from SLU/Dept. of Molecular Biology (until 131231)

    Author : Umair Saleem; [2012]
    Keywords : cellulase; cellobiohydrolase; lignocellulose; biofuel; protein engineering; biotechnology; thermochemical pretreatment; spruce;

    Abstract : Cellobiohydrolase Cel7A (Hje_Cel7A) from the ascomycete fungus Hypocrea jecorina is the major component of enzyme cocktails for degradation of plant biomass to soluble sugars for conversion to biofuels. It’s active site is enclosed in a cellulose-binding tunnel and it is able to processively cleave off several cellobiose units from the end of a cellulose chain before being released. READ MORE

  4. 3. Integrated storage and pretreatment of lignocelluloses for bio-fuel production

    University essay from SLU/Dept. of Microbiology

    Author : Mohammad Rizwan Tabasum; [2011]
    Keywords : Bioethanol; Integrated Storage and Pretreatment ISP ; Thermo-chemical Pretreatment TCP ; Simultaneous saccharification and Fermentation SSF ;

    Abstract : The process for the production of lignocellulosic biofuel includes various sequential energy intensive stages like storage of biomass, thermochemical pretreatment, hydrolysis and fermentation. In the current study, an integrated storage and pretreatment method is investigated to get maximum ethanol yield in a single step process. READ MORE

  5. 4. Integrated production of bioethanol and biogas from agricultural residue : comparison of pretreatment methods using mass flow and energy yields analysis

    University essay from SLU/Dept. of Molecular Biology (until 131231)

    Author : Debebe Yilma Dererie; [2010]
    Keywords : lignocellulose; biofuel; bioenergy; biorefinery; biogas; ethanol; pretreatment; enzymatic saccharification; fermentation;

    Abstract : Lignocellulosic biomasses are believed to reduce the conflict for resource between food and energy production that was criticized in the first generation biofuel production. The aims of this study were two; the first being to compare the effects of three lignocellulose pretreatment methods, lime pretreatment and two steam pretreatment methods, either with or without prior acid impregnation, on the production of bioethanol and biogas from oat straw. READ MORE