Adsorption Properties of Crosslinked Starch Microspheres toward Pyridine

Adsorption Properties of Crosslinked Starch Microspheres toward Pyridine

The adsorption of pyridine onto crosslinked starch microspheres (CSMs) was investigated by experimental and theoretical methods. The adsorption capacity of CSMs towards pyridine increases with the increasing of pyridine concentration, and by lowering the temperature, adsorption would be accelerated....

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Veröffentlicht in:Polymers & polymer composites 2014-06, Vol.22 (5), p.443-448
Hauptverfasser: Miao, Zongcheng, Zhao, Yang, Huo, Xiaoping, Wang, Lei, Li, Zhongjin
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
Carbohydrates
Chemical engineering
Chemical engineering research
Chemical properties
Crosslinked polymers
Crosslinking
Mathematical analysis
Microspheres
Polymers
Pyridine
Pyridines
Starch
Starches
Thermodynamics
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Zusammenfassung:The adsorption of pyridine onto crosslinked starch microspheres (CSMs) was investigated by experimental and theoretical methods. The adsorption capacity of CSMs towards pyridine increases with the increasing of pyridine concentration, and by lowering the temperature, adsorption would be accelerated. The adsorption behaviour of CSMs to pyridine is in agreement with the Langmuir isothermal equation. The research results show that the adsorption process is exothermic, and the adsorption force mainly derives from enthalpy changes. The thermodynamic parameters of adsorption process show that the adsorption behaviour of CSMs towards pyridine is of a physical type.
ISSN:0967-3911
1478-2391
DOI:10.1177/096739111402200502