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Batch Studies for Removing Vanadium(V) and Chromium(VI) from Aqueous Solution Using Anion Exchange Resin

  • Yang Yang
  • Hong-Yi LiEmail author
  • Min-Min Lin
  • Bing Xie
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)

Abstract

After precipitation of ammonium vanadates from vanadium-containing leaching liquor, vanadium (V(V)) and chromium (Cr(VI)) exist in the waste water in form of vanadate ions and chromate ions. In order to efficiently extract and recover V(V) and Cr(VI) from waste water, an environment-friendly method based on anion exchange was investigated in batch tests using macroporous weak base resin Dex-V. The adsorption conditions optimizes in detail, including the effect of pH, initial metal concentration, resin volume, contact time and temperature. The ion-exchange adsorption process for both V(V) and Cr(VI) showed maximum capacity at pH 3.0 for an initial concentration of 100 mg L−1, and reached equilibrium after about 40 min of contact at 298 K. The maximum adsorption ratio under the optimum conditions for V(V) and Cr(VI) was 98.98 and 99.87%, respectively. Result shows that the established method is a promising alternative for simultaneous extraction of vanadium and chromium.

Keywords

Vanadium Chromium Anion exchange Adsorption 

Notes

Acknowledgements

National Natural Science Foundation of China (No. 51474041 and No. 51674051), National Basic Research Program of China (No. 2013CB632604), National Key Technology Research and Development Program of China (2015BAB19B02) and Fundamental Research Funds for the Central Universities of China (No. 106112015CDJZR465505) financially supported this work.

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Copyright information

© The Minerals, Metals & Materials Society 2018

Authors and Affiliations

  1. 1.College of Materials Science and EngineeringChongqing UniversityChongqingChina

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