Membrane and Water Treatment

  • 제2권4호
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  • Pages.267-279
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  • 2011
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Modeling of continuous diffusion dialysis of aqueous solutions of sulphuric acid and nickel sulphate

  • Bendova, Helena (Institute of Environmental and Chemical Engineering, Faculty of Chemical Technology, University of Pardubice) ;
  • Palaty, Zdenek (Institute of Environmental and Chemical Engineering, Faculty of Chemical Technology, University of Pardubice)
  • 투고 : 2011.02.22
  • 심사 : 2011.10.05
  • 발행 : 2011.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

At steady state, the simultaneous transport of sulphuric acid and nickel sulphate through an anion-exchange membrane Neosepta-AFN (Astom Corporation, Tokyo, Japan) was investigated in a two-compartment counter-current dialyzer with single passes. The transport was quantified by the recovery yield of acid, rejection of salt and four phenomenological coefficients, which were correlated with the acid and salt concentrations in the feed. The phenomenological coefficients were determined by the numerical integration of the basic differential equations describing the concentration profiles of the components in the dialyzer. This integration was combined with an optimizing procedure. The experiments proved that the acid recovery yield is in the limits from 63 to 91 %, while salt rejection is in the limits from 79 to 97 % in the dependence on the volumetric liquid flow rate and composition of the feed.

키워드

참고문헌

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피인용 문헌

  1. Application of diffusion dialysis in hydrometallurgical separation of nickel from spent Raney Ni catalyst 2017, https://doi.org/10.1080/01496395.2017.1329839
  2. Continuous dialysis of sulphuric acid and sodium sulphate mixture vol.497, 2016, https://doi.org/10.1016/j.memsci.2015.07.017
  3. Continuous dialysis of hydrochloric acid and lithium chloride: permeability of anion-exchange membrane to chloride ions 2018, https://doi.org/10.1007/s11696-017-0379-1
  4. Diffusion dialysis for the treatment of H2SO4-CuSO4 solutions from electroplating plants: Ions membrane transport characterization and modelling vol.266, pp.None, 2011, https://doi.org/10.1016/j.seppur.2020.118215