Energy efficiency and drying kinetics of recycled paper pulp

被引：62
|
作者：
Vieira, M. G. A.
Estrella, L.
Rocha, S. C. S.
机构：
[1] Univ Estadual Campinas, SCS Rocha Sch Chem Engn, BR-13083970 Campinas, SP, Brazil
[2] Univ Estadual Campinas, Sch Chem Engn, Campinas, SP, Brazil
来源：
DRYING TECHNOLOGY | 2007年 / 25卷 / 10期
基金：
巴西圣保罗研究基金会;
关键词：
convective drying; drying efficiency; paper drying;
D O I：
10.1080/07373930701590806
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this work, the influences of the air temperature and velocity on the drying kinetics of recycled paper pulp were analyzed. The increase of both variables positively influences the process, concerning the final moisture content and the drying time. However, optical microscopy and visual observation showed worse quality of the paper for drying conditions of high air temperature and velocity, presenting less uniformity and overdried surfaces. The dryer energy efficiency was evaluated by performance parameters and the results were compared with the ones obtained for other types of industrial paper dryers, presenting good agreement.
引用
收藏
页码：1639 / 1648
页数：10
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