Adsorption Kinetics and Breakthrough Behaviour of Tri-n-butyl Phosphate on Amberlite XAD-4 Resin

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Adsorption behaviour of tri-n-butyl phosphate (TBP) from aqueous solution (dilute HNO<SUB>3</SUB>) on Amberlite XAD-4 has been investigated experimentally. Factors affecting the adsorption rates and breakthrough curves have been studied in batchwise and semicontinuous fixed bed adsorber. The adsorption isotherm of TBP on Amberlite XAD-4 resin have also been determined and the Freundlich model of adsorption is used to describe adsorption equilibrium. For the case of nonlinear equilibrium a simplified method proposed by Chi Tein is used to estimate intraparticle diffusion coefficient. The intraparticle diffusion coefficient is found to be in the range of 10<SUP>-8</SUP>cm<SUP>2</SUP>•s<SUP>-1</SUP>. Results of fixed bed column are used to estimate mass transfer zone (MTZ) length, length of unused bed (LUB), breakthrough capacity corresponding to fixed value of effluent concentration (5mg/l of TBP) and degree of saturation of bed at breakthrough. The MTZ lengthwas found to vary from 21.8cm to 37.3cm when flow rate changed from 13.5ml/min to 52ml/min, whereas column utilization ranged from 65.1% for the lowest flow rate to 43.5% for the highest flow rate.

収録刊行物

  • Journal of nuclear science and technology

    Journal of nuclear science and technology 35(5), 370-378, 1998-05-25

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002079456
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4474210
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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