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  • Title: Integral valorization of tagasaste (Chamaecytisus proliferus) under hydrothermal and pulp processing.
    Author: Alfaro A, López F, Pérez A, García JC, Rodríguez A.
    Journal: Bioresour Technol; 2010 Oct; 101(19):7635-40. PubMed ID: 20493685.
    Abstract:
    Tagasaste wood (Chamaecytisus proliferus L.F. ssp palmensis) was characterized, chemical and energy terms, and assessed its potential as a lignocellulosic raw material, and its integral fractionation by autohydrolysis and delignification with ethanol. The hydrothermal treatment of the raw material at 175-185 degrees C provided a liquor containing a substantially increased amount of oligomers (between 16.6% and 47.4% as percentages with respect to the content of the raw material in each polymer fraction). A cellulose pulp with autohydrolysis treatment increased yields (53-60%), reduced Kappa number (28.8-34.6) but also viscosity (755-857 mL/g), and decreased paper strength (2.97-5.22 kN m/kg). However, beating ethanol cellulose from tagasaste was found to improve its strength-related properties more markedly than in soda pulp from the same material (tensile index of 44 kN m/kg).
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