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Environment-friendly bio-materials based on cotton-carbon aerogel for strontium removal from aqueous solution

  • Wenkun Zhu
  • Yi Li
  • Yang Yu
  • Tao Duan
  • Dayun Zhou
  • Liang Wang
  • Jian Zhou
  • Meng Kuang
Article

Abstract

Cotton carbon aerogel was prepared and used as a new water-insoluble adsorbent to remove strontium from aqueous solution. A comprehensive study on adsorption of strontium by cotton carbon aerogel was conducted regarding the effects of initial pH, temperature, initial strontium concentration, and contact time. The adsorbent was characterized by SEM. The results of regression analysis indicated that the adsorption process largely depends on the pH and temperature. The optimum pH range for adsorption process is 5–7. The maximum removal efficiency of strontium from aqueous solution was 60.16%. Moreover, cotton carbon aerogel adsorbent has good reusability before the fifth reuse.

Keywords

Cotton carbon aerogel Strontium Adsorption 

Notes

Acknowledgements

This work was financially supported by Sichuan Province Science and technology Pillar Program (No. 2014GZ0185), National Natural Science Foundation of China (Nos. 21601147 and 21406182), Key research and development project of science and technology department of Sichuan province (No. 2017GZ0342), Projects in the Sichuan Province Science & Technology Pillar Program (Nos. 2016GZ0259 and 2016GZ0277), Education Department of Sichuan Province (No. 14ZA0104), Engineering Research Center for Biomass Resource Utilizaiton and Modification of Sichuan Province (No. 12zxsk11); Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory (Nos. 15kffk02, 14zxnk02 and 13zxnk02), Plan Projects of Mianyang Science and Technology (Nos. 15zd2110 and 15zd2102).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Sichuan Civil-Military Integration InstituteMianyangPeople’s Republic of China
  2. 2.Institute of Chemical MaterialsChina Academy of Engineering PhysicsMianyangPeople’s Republic of China
  3. 3.School of Life Science and EngineeringSouthwest University of Science and TechnologyMianyangPeople’s Republic of China
  4. 4.State Key Laboratory of Cotton BiologyChinese Academy of Agricultural Sciences Cotton Research InstituteAnyangPeople’s Republic of China
  5. 5.Mianyang People’s HospitalMianyangPeople’s Republic of China

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