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Cristina Valls Vidal


Aplicació de nous sistemes enzimàtics pel blanqueig de pasta kraft d’eucaliptus


Dr. Menció Europeu

DirectorData de lectura
M. Blanca Roncero 28 Maig 2008


Autors Publicacions derivades de la Tesi Doctoral
C. Valls; M.B. Roncero Using both xylanase and laccase enzymes for pulp bleaching. Bioresource Technology, 100: 2032-2039, 2009 10.1016/j.biortech.2008.10.009
C. Valls, S. Molina, T. Vidal, J.C. del Río, J.F. Colom, A. Martínez, A. Gutiérrez, M.B. Roncero Influence of operation conditions on laccase-mediator removal of sterols eucalypt pulp. Process Biochemistry, 44: 1032-1038, 2009 10.1016/j.procbio.2009.05.002
C. Valls, T. Vidal, M.B. Roncero The role of xylanases and laccases on hexenuronic acid and lignin removal. Process Biochemistry, 45: 425-430, 2010 10.1016/j.procbio.2009.10.015
C. Valls, T. Vidal, O. Gallardo, P. Díaz, F.I.J. Pastor, M.B. Roncero Obtaining low-HexA-content cellulose from eucalypt fibres: Wich glycosil hydrolase family is more efficient?. Carbohydrate Polymers, 80: 154-160, 2010 10.1016/j.carbpol.2009.11.006
C. Valls, T. Vidal, M.B. Roncero Boosting the effect of a laccase-mediator system by using a xylanase stage in pulp bleaching. Journal of Hazardous Materials, 177 (1-3): 586-592, 2010 10.1016/j.jhazmat.2009.12.073
C. Valls, J.F. Colom, C. Baffert, I. Gimbert, M.B. Roncero, J.C. Sigoillot Comparing the efficiency of the laccase-NHA and laccase-HBT systems in eucalypts pulp bleaching. Biochemical Engineering Journal, 49: 401-407, 2010 10.1016/j.bej.2010.02.002
C. Valls, O. Gallardo, T. Vidal, F.I.J. Pastor,  P. Díaz, M.B. Roncero New xylanases for obtaining modified eucalypt fibres with high-cellulose content. Bioresource technology, 101: 7439-7445, 2010 10.1016/j.biortech.2010.04.085
O. Gallardo, M. Fernández-Fernández, C. Valls, S.V. Valenzuela, M.B. Roncero, T. Vidal, P. Díaz, F.I.J. Pastor Characterization of a Family GH5 Xylanase with Activity on Neutral Oligosaccharides and Evaluation as a Pulp Bleaching Aid. Applied and Environmental Microbiology, 76: 6290-6294, 2010 10.1128/AEM.00871-10
C. Valls, O. Gallardo, T. Vidal, F.I.J. Pastor,  P. Díaz, M.B. Roncero Performance of new and commercial xylanases for ECF and TCF bleaching of eucalyptus kraft pulp. Wood Science and Technology, 45: 433-448, 2011 10.1007/s00226-010-0340-8
A.G. Barneto, C. Valls, J. Ariza, M.B. Roncero Thermogravimetry study of xylanase- and laccase/mediator-treated eucalyptus pulp fibres. Bioresource Technology, 102: 9033-9039, 2011 10.1016/j.biortech.2011.07.061
C. Valls, M.B. Roncero Antioxidant property of TCF pulp with a high hexenuronic acid (HexA) content. Holzforschung, 67: 257–263, 2013 10.1515/hf-2012-0114
A.G. Barneto, C. Valls, J. Ariza, M.B. Roncero Influence of enzyme and chemical adsorption on the thermal degradation path for eucalyptus pulp. Thermochimica Acta, 551: 62-69, 2013 10.1016/j.tca.2012.10.019
C. Valls, E. M. Cadena, M. B. Roncero Obtaining biobleached eucalyptus cellulose fibres by using various enzyme combinations. Carbohydrate Polymers 92 (2013) 276– 282 10.1016/j.carbpol.2012.08.083