Kinetics and model building of leaching of water-soluble compounds of Tilia sapwood

被引:125
作者
Ho, YS
Harouna-Oumarou, HA
Fauduet, H
Porte, C
机构
[1] Conservatoire Natl Arts & Metiers, Lab Chim Ind Genie Proc, EA 21, F-75003 Paris, France
[2] Univ Orleans, Inst Univ Technol Orleans, EA 21, Lab Prod Chim, F-45067 Orleans, France
[3] Taipei Med Univ, Sch Publ Hlth, Taipei 11014, Taiwan
关键词
kinetics; second-order; leaching; Tilia sapwood;
D O I
10.1016/j.seppur.2005.03.007
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The kinetics of the leaching of water-soluble compounds of Tilia sapwood was investigated. A batch leaching model, based on the assumption of a second-order mechanism for the leaching, was developed to predict the rate constant of leaching, the saturated leaching capacity, and the initial leaching rate with various leaching temperatures. The rate constant is a function of the temperature, and the leaching of water-soluble compounds of Tilia sapwood is an endothermic process. In addition, the activation energy of leaching was also determined based on the second-order rate constants of the leaching. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:169 / 173
页数:5
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