![]() There are several advantages of using this kind of fibers instead of virgin fibers. * Corresponding author: fibers are one of the material sources most used in the paper industry. Aurèlia Capmany, 61, 17071 Girona (Spain) c: Laboratory of Paper Science and Graphic Arts, Grenoble INP- Pagora, 461 rue de la Papeterie – 38400 Saint Martin d’Hères (France) ![]() +34 972418400 b: PRODIS Group, Department of Organization, Business Management and Product Design, University of Girona, C/ M. Aurèlia Capmany, 61, 17071 Girona (Spain) T. Keywords: Coated paper Disintegration kinetics Somerville index Dissipated power Rayleigh’s equation ModelingĬontact information: a: LEPAMAP Group, Department of Chemical Engineering, University of Girona, C/ M. The calculation of the disintegration kinetic constant (modeled K D), extracted from the Rayleigh’s dissipation function, showed a good correlation with the experimental values using the evolution of the Somerville index or with the dissipated energy. Therefore, as consistency increased, the disintegration time was drastically reduced. The results showed that the values of experimental disintegration kinetic constant, K D, through the analysis of Somerville index, as function of time, increased with the disintegration consistency. In this work, disintegration kinetics from recycled coated paper has been evaluated, working at 20 rev/s rotor speed and for different fiber consistency (6, 8, 10, 12, and 14%). The % I SV is related to the quantity of non-defibrated paper, as a measure of the non-disintegrated fiber residual (percentage of flakes), which is expressed in disintegration time units. The disintegration constant can be obtained from the Somerville index results (% I SV) and from the dissipated energy per volume unit ( S S). It is known that the defibering process follows a first order kinetics from which it is possible to obtain the disintegration kinetic constant ( K D) by means of different ways. The disintegration of recovered paper is the first operation in the preparation of recycled pulp. Àngels Pèlach, a Nour-Eddine El Mansouri, a Manuel Alcalà, b Jean-Claude Roux, c and Pere Mutjé a STUDY AND MODELING OF THE DISINTEGRATION KINETICS OF COATED PAPERįabiola Vilaseca, a,* Josep Puig, a M. The calculation of the disintegration kinetic constant (modeled KD), extracted from the Rayleigh’s dissipation function, showed a good correlation with the experimental values using the evolution of the Somerville index or with the dissipated energy. The results showed that the values of experimental disintegration kinetic constant, KD, through the analysis of Somerville index, as function of time, increased with the disintegration consistency. The % ISV is related to the quantity of non-defibrated paper, as a measure of the non-disintegrated fiber residual (percentage of flakes), which is expressed in disintegration time units. ![]() The disintegration constant can be obtained from the Somerville index results (% ISV) and from the dissipated energy per volume unit ( SS). It is known that the defibering process follows a first order kinetics from which it is possible to obtain the disintegration kinetic constant ( KD) by means of different ways. "Study and modeling of the disintegration kinetics of coated paper," BioRes. ![]()
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