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@ARTICLE{Ying:904027,
      author       = {Ying, Ziwen and Chen, Minghui and Wu, Guixuan and Li, Jie
                      and Liu, Jilin and Wei, Qifeng and Ren, Xiulian},
      title        = {{S}eparation and recovery vanadium ({V}) and chromium (Ⅵ)
                      using amide extractants based on the steric hindrance
                      effect},
      journal      = {Journal of environmental chemical engineering},
      volume       = {9},
      number       = {5},
      issn         = {2213-2929},
      address      = {Amsterdam ˜[u.a.]œ},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-05597},
      pages        = {105939 -},
      year         = {2021},
      abstract     = {As all existed in the form of anion, the separation of
                      vanadium (V) and chromium (Ⅵ) in weak acid solution was a
                      difficult issue. The study developed an efficient way to
                      achieve the separation of V(V) and Cr(Ⅵ) based on the
                      steric hindrance effect of amide extractants. The effects of
                      different parameters on extraction were studied to explore
                      the optimum conditions. The recoveries of vanadium and
                      chromium were above $97.0\%$ and $99.8\%,$ respectively. The
                      extraction of vanadium with amide was an exothermic
                      reaction. The purity of V2O5 obtained was $99.97\%.$ The
                      V(V) complex of amide was confirmed to be R2H6V10O28. The
                      extraction mechanism was studied with ESI-MS and FT-IR in
                      depth. The extraction of V(V) with amide followed ion
                      association with hydrogen bonding. A promising way was
                      provided to separate vanadium (V) and chromium (Ⅵ) in
                      leaching solution with amide under weak acid condition.},
      cin          = {IEK-2},
      ddc          = {624},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {1241 - Gas turbines (POF4-124)},
      pid          = {G:(DE-HGF)POF4-1241},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000702522000006},
      doi          = {10.1016/j.jece.2021.105939},
      url          = {https://juser.fz-juelich.de/record/904027},
}