2012•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

Adsorption of Congo Red onto Lignocellulose/Montmorillonite Nanocomposite

Zhao Zhao, Yahong, Xue, Zhenhua, Wang, Ximing, Li -, Aiqin

Abstract

Lignocellulose/montmorillonite (LNC/MMT ) nanocomposites 被 FTIR 和 XRD 准备并且描绘。LNC/MMT nanocomposite 上的刚果红(CR ) 的吸附详细被学习。接触温度，染料解决方案的 pH 值，接触时间和木质纤维素(LNC ) 的吸附能力上的染料解决方案的集中的效果， montmorillonite (MMT ) 和 nanocomposite 被调查。吸附动力学和等温线和为 CR 的 nanocomposite 的吸附热力学也被学习。结果证明 LNC/MMT nanocomosite 的吸附能力比 LNC 和 MMT 的高。所有吸附过程与 pseudo-second-order 和兰米尔方程适合很好。从热力学的研究，吸附自发、吸热，这被看见。

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Key concepts: Montmorillonite, Nanocomposite, Adsorption, Congo red, Fourier transform infrared spectroscopy, Chemical engineering, Materials science, Chemistry