JOURNAL OF TEXTILE RESEARCH ›› 2012, Vol. 33 ›› Issue (5): 15-19.

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Preparation of PVA/CS/Ce(NO3)3 blend fiber felt and its applications to Cr(Ⅵ) ions

 LU  Li-Ping, WANG  Fang-Fang, WU  Min   

  1. Key Laboratiry of Eco-Textiles (Jiangnan University), Ministry of Education
  • Received:2011-04-18 Revised:2012-01-11 Online:2012-05-15 Published:2012-05-15
  • Contact: WU Min E-mail:xycwxdq@sina.com

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Abstract: The blend solution of polyvinyl alcohol(PVA) and chitosan(CS) and cerous nitrate(Ce(NO3)3) dissolving in dilute acetic at different mass ratios was spun into PVA/CS/Ce(NO3)3 blend fiber felt via electrospinning process.Using scanning electron microscopy and infrared spectrum on the adsorption of samples before and after the plating. Studied pH、time and concentration for Cr(Ⅵ) adsorption influence.Results show:the adsorption of metal ions were binding of metal ions to the chelating sites on the blend fiber felt,the effect of adsorption was the best when pH=4,the adsorption data of Cr(Ⅵ) were fitted well with langmuir isotherm,the equilibrium adsorption capacities were 59.81mg/g,the dispel of Cr(Ⅵ) can reach 87%.

Key words: electrospinning, chitosan, adsouption, Cr(Ⅵ)ion

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