A222型阴离子交换树脂脱除HPPH+体系中的SO42-、NO3-

doi:10.16085/j.issn.1000-6613.2016.s1.051

化工进展 ›› 2016, Vol. 35 ›› Issue (S1): 316-320.DOI: 10.16085/j.issn.1000-6613.2016.s1.051

A222型阴离子交换树脂脱除HPPH⁺体系中的SO₄^2-、NO₃^-

程浩, 陈亚中, 崔鹏

合肥工业大学化学与化工学院, 安徽合肥 230009

收稿日期:2016-01-17 修回日期:2016-03-04 出版日期:2016-06-30 发布日期:2016-07-08
通讯作者: 崔鹏,教授。E-mail cuipeng@hfut.edu.cn。
作者简介:程浩(1990-),男,硕士研究生,主要从事烟气脱硫方面研究。
基金资助:
国家自然科学基金(NSFC21476055)及安徽省科技厅合芜蚌自主创新项目(2013AKK0388)。

A222 anion exchange resin for eliminating the SO₄^2- and NO₃^- in aqueous solution of HPPH⁺

CHENG Hao, CHEN Yazhong, CUI Peng

School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China

Received:2016-01-17 Revised:2016-03-04 Online:2016-06-30 Published:2016-07-08

摘要/Abstract

摘要： 优化选取凝胶型强碱性苯乙烯系A222型阴离子交换树脂,对HPPH⁺溶液中SO₄^2-、NO₃^-的交换性能进行了研究。通过静态法分别考察了A222型阴离子交换树脂在水溶液及0.05mol/L HPPH⁺溶液中对SO₄^2-和NO^3-脱除过程。结果表明,A222型阴离子交换树脂对HPPH⁺无化学吸附作用,在水体系中对SO₄^2-和NO₃^-的平衡交换量分别为0.8382mmol/g和1.2980mmol/g,符合Langmuir和Freundlich吸附经验方程。树脂用量和温度是离子交换过程的主要影响因素,温度升高有利于离子交换的进行,树脂的优化用量为4g/L。A222型阴离子交换树脂可高效联合脱除HPPH⁺体系中的SO₄^2-和NO₃^-。FTIR谱图表征显示,SO₄^2-和NO₃^-可与树脂交换基团进行交换。

关键词: A222型树脂, 离子交换, 吸附, 吸收剂, SO₄^2-, NO₃^-

Abstract: Gel-type strong basic anion exchange resin was screened and A222 anion exchange resin was selected for removal of SO₄^2-, NO₃^- in the aqueous solution of HPPH⁺.The maximum exchange capacity of A222 anion for SO₄^2-, NO₃^- exchange resin was determined through static absorption experiments in water and aqueous solution of HPPH⁺.The results indicated that A222 anion exchange resin showed almost no chemical adsorption of HPPH⁺, the maximum exchange capacities for SO₄^2- or NO₃^- were 0.8382mmol/g and 1.2980mmol/g, respectively.The exchange process could be described using Langmuir or Freundlich equations.Resin dosage and temperature were the main influencing factors of ion exchange process, the increase of temperature was favorable for the ion exchange and the optimum dosage of resin was 4g/L.A222 anion exchange resin could be applied for removal of SO₄^2- and NO₃^- in aqueous solution of HPPH⁺.FTIR characterizations indicated that there was new chemical bond formation during exchange with SO₄^2- and NO₃^-.

Key words: A222 anion exchange resin, ion exchange, adsorption, adsorbents, SO₄^2-, NO₃^-

中图分类号:

TQ028.7

程浩, 陈亚中, 崔鹏. A222型阴离子交换树脂脱除HPPH⁺体系中的SO₄^2-、NO₃^-[J]. 化工进展, 2016, 35(S1): 316-320.

CHENG Hao, CHEN Yazhong, CUI Peng. A222 anion exchange resin for eliminating the SO₄^2- and NO₃^- in aqueous solution of HPPH⁺[J]. Chemical Industry and Engineering Progree, 2016, 35(S1): 316-320.

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A222型阴离子交换树脂脱除HPPH⁺体系中的SO₄^2-、NO₃^-

A222 anion exchange resin for eliminating the SO₄^2- and NO₃^- in aqueous solution of HPPH⁺

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