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author：

Ma, Y.W. (Ma, Y.W..) [1] | Hou, Y. (Hou, Y..) [2] | Yin, W.Z. (Yin, W.Z..) [3] | Zhu, J.J. (Zhu, J.J..) [4] | Ding, Y.Z. (Ding, Y.Z..) [5] | Yao, J. (Yao, J..) [6] | Wang, Y.L. (Wang, Y.L..) [7]

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Scopus

Abstract：

Diagrams　for　the　concentration　of　complex　ions　pc-pH,　the　ratio　of　aluminum　hydroxyl　complex　ions　αn-pH,　and　conditional　solubility　product　of　their　hydrates　to　pH　in　their　system　were　drawn　based　on　the　thermodynamic　equilibrium　principle　of　complex　chemistry.　The　relationship　between　the　equilibrium　concentration　of　total　aluminum　ions　and　pH　was　shown　in　Al3+-H2O　system,　when　dissolution　of　Al(OH)3　is　in　equilibrium.　The　solubility　of　Al(OH)3　is　the　least　when　pH=5.69~8.00.　The　diagram　for　αn-pH　shows　that　each　hydroxyl　complex　ion　existed　in　the　system　is　dependent　upon　an　optimized　pH　value.　The　diagram　for　the　conditional　solubility　product　pPS-pH　indicates　that　the　pPS　reaches　minimum　when　pH=5.0~8.0.　The　results　can　provide　a　theoretical　basis　for　the　technology　on　the　flotation　influenced　by　aluminum　ions　and　removal　of　aluminum　ions　from　the　wastewater　by　neutralized　method.　©　(2014)　Trans　Tech　Publications,　Switzerland.

Keyword：

Aluminum wastewater; Coordination chemistry; Neutralization method

Community：

  • [ 1 ] [Ma, Y.W.]School of Mining Engineering, University of Science and Technology LiaoNing, Anshan 114051, China
  • [ 2 ] [Hou, Y.]School of Mining Engineering, University of Science and Technology LiaoNing, Anshan 114051, China
  • [ 3 ] [Yin, W.Z.]College of Zijin Mining, Fuzhou University, Fuzhou 350108, China
  • [ 4 ] [Yin, W.Z.]School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China
  • [ 5 ] [Zhu, J.J.]School of Mining Engineering, University of Science and Technology LiaoNing, Anshan 114051, China
  • [ 6 ] [Ding, Y.Z.]Chengdu Leejun Industrial Co., Ltd, Chengdu 610045, China
  • [ 7 ] [Yao, J.]School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China
  • [ 8 ] [Wang, Y.L.]School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China

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Source ：

Advanced Materials Research

ISSN： 1022-6680

Year： 2014

Volume： 997

Page： 341-345

Language： English

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 2

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