화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.6, 3975-3983, November, 2014
DOI10.1016/j.jiec.2013.12.099  Export Citation
Selective separation of salicylic acid from aqueous solutions using molecularly imprinted nano-polymer on wollastonite synthesized by oil-in-water microemulsion method
Minjia Meng, Yonghai Feng1, Weisheng Guan2, Yan Liu, Yanfang Xi3, and Yongsheng Yan†
  • School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
  • 1School of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China
  • 2College of the Environmental Science and Engineering, Chang’an University, Xi’an 710054, China
  • 3Jingjiang College, Jiangsu University, Zhenjiang 212013, China
E-mail:
Highly effective molecularly imprinted nano-polymer on wollastonite (nano-WMIP) was prepared by imprinting technique using oil-in-water emulsion polymerization in the presence of salicylic acid (SA) as template. The adsorption behavior of nano-WMIP including adsorption kinetic, isotherms, selective adsorption, recognition, and effects of initial pH, ionic strength, initial concentration, adsorption temperature, and amount of adsorbents were investigated in detail. Moreover, the selective recognition of nano-WMIP was further investigated by HPLC toward analogs of SA. The relative selectivity coefficients for p-HB, MS, and MP were 113.4, 8.049, and 6.239, respectively, showing that much higher selectivity of SA on nano-WMIP was obtained than that of wollastonite-based non-imprinted polymer (nano-WNIP).
Keywords:Salicylic acid;Imprinting technique;Oil-in-water emulsion;Nano-polymer
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