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首页> 外文期刊>Journal of industrial and engineering chemistry >Factors influencing deflaking kinetics in repulping to produce molded pulp
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Factors influencing deflaking kinetics in repulping to produce molded pulp

机译：在制浆过程中影响制粒动力学的因素

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摘要

Process variables affecting the deflaking or defibering kinetics of recovered papers in repulping to produce molded pulp were investigated with laboratory low and high consistency pulpers and a pilot high consistency pulper. The defibering kinetics at various repulping conditions were compared in terms of the deflaking rate coefficient, which can be easily obtained by measuring flake contents as a function of slushing time and then by performing a non-linear regression analysis on the data. The two main variables affecting defibering rate are found to be the repulping concentration and the rotational speed of rotor, which have to be chosen as manipulated variables to optimize a repulping process. Increasing repulping concentration and rotor speed generally promotes the defibering of recovered paper.
机译：使用实验室低浓和高浓碎浆机和中试高浓碎浆机，研究了影响重新制浆模制纸浆中回收纸的脱鳞或脱纤动力学的工艺变量。根据剥落率系数比较了各种碎浆条件下的脱纤维动力学，可以通过测量薄片含量与融泥时间的函数关系，然后对数据进行非线性回归分析，轻松获得剥落率系数。发现影响脱纤维率的两个主要变量是重浆浓度和转子转速，必须将其选作可调节变量以优化重浆过程。再粉碎浓度和转子速度的提高通常会促进回收纸的纤维分离。

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