Preparation of MCM-41-PAA Hybrid Mesoporous Material and Its Adsorption Behaviour of Hg(II) Ions

Xue-tao LIU; Zhen-chuan ZHAN; Jian-she HU

doi:10.14028/j.cnki.1003-3726.2020.03.004

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Preparation of MCM-41-PAA Hybrid Mesoporous Material and Its Adsorption Behaviour of Hg(II) Ions

更新时间：2022-08-31

- Preparation of MCM-41-PAA Hybrid Mesoporous Material and Its Adsorption Behaviour of Hg(II) Ions
- Polymer Bulletin Vol. 33, Issue 3, Pages: 27-32(2020)
- 作者机构：
  
  东北大学理学院化学系,沈阳 110819
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2020.03.004
  CLC：
- Published：20 March 2020，
  
  Received：08 March 2019，
  
  Revised：20 November 2019，
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Xue-tao LIU, Zhen-chuan ZHAN, Jian-she HU. Preparation of MCM-41-PAA Hybrid Mesoporous Material and Its Adsorption Behaviour of Hg(II) Ions. [J]. Polymer Bulletin 33(3):27-32(2020)
DOI：

Xue-tao LIU, Zhen-chuan ZHAN, Jian-she HU. Preparation of MCM-41-PAA Hybrid Mesoporous Material and Its Adsorption Behaviour of Hg(II) Ions. [J]. Polymer Bulletin 33(3):27-32(2020) DOI： 10.14028/j.cnki.1003-3726.2020.03.004.

摘要

本文基于介孔材料具有均一可调的孔径结构、高比表面积以及稳定的骨架

利用硅藻土作为硅源

CTAB(十六烷基三甲基溴化铵)为模板剂

掺杂聚丙烯酸

制备了杂化的功能介孔材料MCM-41-PAA

采用FT-IR、XRD、氮气吸脱附、SEM 等手段对该介孔材料的组成、结构与形貌进行了表征

并利用所制备的功能吸附剂MCM-41-PAA对Hg(II)进行了吸附研究

探讨了吸附剂的用量、Hg(II)初始浓度、pH 值和吸附时间等因素对Hg(II)离子吸附效果的影响。研究表明:当吸附剂的用量、Hg(II)浓度、pH 和吸附时间分别为0.2g、300mg/L、4和180min时

对应的吸附量达到132mg/g。

Abstract

In this study

high specific surface area and stable skeleton

functional hybrid mesoporous MCM-41-PAA was prepared using diatomite as a silicon source

CTAB as a template

and polyacrylic acid as a dopant based on mesoporous materials with a uniform adjustable pore size structure. The composition

structure and morphology of MCM- 41-PAA were characterized by FT-IR

XRD

SEM and nitrogen adsorption and desorption. MCM-41-PAA

as an adsorbent

was used to adsorb mercury ions

and the factors such as the dosage of the adsorbent

the initial Hg(II) ions concentration

the pH value of solution and the adsorption time were explored. The results showed that the adsorption capacity could reach 132mg/g when the dosage of adsorbent

the concentration of Hg(II) ions

the pH and the adsorption time were 0.2g

300mg/L

4 and 180min

respectively.

关键词

硅藻土聚丙烯酸介孔材料吸附Hg(II)离子

Keywords

DiatomitePolyacrylic acidMesoporous materialsAbsorptionHg(II) ions

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