Preparation of Sulfonylcalix[4]arene-loaded XAD-7 Resin for Strontium(II) Adsorption

Cong Liu*, Guofeng Su, Tao Chen, Manchun Liang, Liting Zhao, Dongxiang Zhang

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

Sulfonylcalix[4]arene-loaded XAD-7 Resin was prepared and used as an adsorbent for removal of Strontium(II) from aqueous solutions. The adsorption of the metal ions onto SCA-XAD-7 as a function of pH, contact time, metal ions concentration, temperature, and reuses was investigated. The adsorption capacity of SCA-XAD-7 composite towards tested ions reached a maximum at pH values of ∼6. The adsorption has reached equilibrium within 7 h. The adsorption isotherms were well fitted by the Langmuir model, and the maximum values of adsorption capacity of the adsorbent were 28.87 mg⋅g-1. Thermodynamic studies imply the adsorption was a spontaneous and exothermic process in nature.

Original languageEnglish
Article number032084
JournalIOP Conference Series: Earth and Environmental Science
Volume267
Issue number3
DOIs
Publication statusPublished - 10 Jun 2019
Event2019 3rd International Workshop on Renewable Energy and Development, IWRED 2019 - Guangzhou, China
Duration: 8 Mar 201910 Mar 2019

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