Adsorption and desorption of tungsten ions in water by morpholine chelate resin

ZHU Qianqian; XIONG Chunhua; LI Jionghui; SHEN Chen; MA Zhigao; LI Zhuoli; LI Jiandan

doi:10.11949/j.issn.0438-1157.20170163

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Adsorption and desorption of tungsten ions in water by morpholine chelate resin

更新时间：2025-12-10

- Adsorption and desorption of tungsten ions in water by morpholine chelate resin
- CIESC Journal Issue 8, Pages: 3119-3125(2017)
- 作者机构：
  
  1. 浙江工商大学应用化学系,浙江,杭州,310018
  2. 浙江工商大学环境科学与工程学院,浙江,杭州,310018
  3. 杭州瑞晶生物科技公司技术研究中心,浙江,杭州,311300
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170163
  CLC： Q028.3
- Online First：05 August 2017，
  
  Published：05 August 2017
- 稿件说明：
移动端阅览
ZHU Qianqian, XIONG Chunhua, LI Jionghui, et al. Adsorption and desorption of tungsten ions in water by morpholine chelate resin[J]. CIESC Journal, 2017, (8): 3119-3125.
DOI：

ZHU Qianqian, XIONG Chunhua, LI Jionghui, et al. Adsorption and desorption of tungsten ions in water by morpholine chelate resin[J]. CIESC Journal, 2017, (8): 3119-3125. DOI： 10.11949/j.issn.0438-1157.20170163.

摘要

通过制备吗啡啉螯合树脂作为吸附材料对水中钨离子进行吸附与解吸实验，考察吸附pH、共存离子、吸附温度对饱和吸附容量的影响，并对其进行了傅里叶红外光谱（FTIR）、热重分析仪（TGA）、电位分析仪（Zeta）、扫描电子显微镜（SEM）等手段的表征。结果表明PS-MPL树脂对钨离子的最佳吸附pH=4.0，308 K下饱和吸附量为349.2 mg·g-1，平衡时间为13 h。吸附过程遵循二级动力学模型，吸附等温线与Langmuir模型较为吻合。通过2%（质量分数）NaOH溶液进行解吸，解吸率达到100%。PS-MPL树脂吸附钨离子具有高选择性、高吸附性、高洗脱率等优点。

Abstract

In this study

the adsorption and desorption properties of chelating resin for tungsten have been investigated

batch studies were carried out

and the FTIR

TGA

Zeta and SEM were characterized before and after adsorption. The results showed that the optimal adsorption condition was at pH 4.0

308 K

the maximum saturated adsorption capacity of tungsten is 349.2 mg·g-1

with a high selectivity adsorption capacity. The adsorption kinetic and equilibrium data were fitted well with the pseudo-second-order model and the Langmuir isotherm model

respectively. Desorption studies revealed tungsten ion could be eluted effectively by using the 2%(mass) NaOH solution

the desorption efficiency was 100%. PS-MPL resin has the advantages of high selectivity

high adsorption

high elution rate and so on.

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