Adsorption of lactic acid on weak base polymeric resins

被引：27

作者：

Dethe, M. J. ^{[1
]}

Marathe, K. V. ^{[1
]}

Gaikar, V. G. ^{[1
]}

机构：

[1] Univ Bombay, Inst Chem Technol, Bombay 400019, Maharashtra, India

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2006年 / 41卷 / 13期

关键词：

ion exchange resin; lactic acid; Langmuir-Freundlich combination isotherm; molecular modeling; extended Flory-Huggins theory; sorption;

D O I：

10.1080/01496390600851384

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sorption of lactic acid from a simulated broth has been investigated using weak base ion exchange polymeric resins which behave as functionalized polymers because of tertiary amino groups on the polymer matrix. The equilibrium data for the uptake of lactic acid are represented by Langmuir-Freundlich combination isotherm. The sorption has been modeled by a phase equilibrium approach using the extended Flory-Huggins theory of polymer solutions. The interaction of media components, such as glucose and inorganic salts, with the resins and their effect on lactic acid sorption, also has been investigated.

引用

页码：2947 / 2971

页数：25

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