caa a22 4500 378891928 CHVBK 20180305123456.0 cr unu---uuuuu 161128e20040315xx s 000 0 eng 10.1515/HF.2004.017 doi (NATIONALLICENCE)gruyter-10.1515/HF.2004.017 Organosolv pulping of olive tree trimmings by use of ethylene glycol/soda/water mixtures [Elektronische Daten] [L. Jiménez, A. Rodríguez, M. J. Díaz, F. López, J. Ariza] This paper reports on the influence of independent variables in the ethylene glycol/soda pulping of olive wood trimmings (165-195°C, 30-90 min, ethylene glycol concentration 5-15%, soda concentration 2.5-7.5% and liquid/solid ratio 4-6), on the yield and Kappa index of the pulps and the strength properties (breaking length, burst index and tear index) of paper sheets. By using a central composite factorial design, equations that relate each dependent variable to the different independent variables were obtained which reproduced the experimental results for the dependent variables with errors less than 12%. Using a temperature of 184°C, ethylene glycol and soda concentrations of 15% and 7%, respectively, a liquid/solid ratio of 5:1 and a cooking time of 30 min results in yield, Kappa index, breaking length, burst index and tear index values that depart by 14.3%, 8.2%, 17.1%, 17.0% and 2.3%, respectively, from their optimum levels. These conditions result in substantial savings in power consumption and immobilised capital investments as they involve a lower temperature, a lower liquid/solid ratio, and a shorter time than the maximum values tested. Copyright © 2004 by Walter de Gruyter GmbH & Co. KG Timber & wood processing nationallicence Biotechnology nationallicence Materials science nationallicence Jiménez L. aut Rodríguez A. aut Díaz M. J. aut López F. aut Ariza J. aut Holzforschung Walter de Gruyter 58/2(2004-03-15), 122-128 0018-3830 58:2<122 2004 58 hfsg https://doi.org/10.1515/HF.2004.017 text/html Onlinezugriff via DOI 1 research article jats NATIONALLICENCE 856 40 https://doi.org/10.1515/HF.2004.017 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Jiménez L. aut NATIONALLICENCE 700 1- Rodríguez A. aut NATIONALLICENCE 700 1- Díaz M. J. aut NATIONALLICENCE 700 1- López F. aut NATIONALLICENCE 700 1- Ariza J. aut NATIONALLICENCE 773 0- Holzforschung Walter de Gruyter 58/2(2004-03-15), 122-128 0018-3830 58:2<122 2004 58 hfsg CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-gruyter