Acta Chimica Sinica ›› 2004, Vol. 62 ›› Issue (10): 946-950. Previous Articles     Next Articles

载体乳化液膜法同步进行亚稳相PbCrO4纳米粒子的仿生合成与铅铬废水的处理

柳华杰1, 吴庆生1, 丁亚平2, 刘璐1   

  1. 1. 同济大学化学系, 上海, 200092;
    2. 上海大学化学系, 上海, 200436
  • 投稿日期:2003-09-15 修回日期:2004-01-13 发布日期:2014-02-17
  • 通讯作者: 吴庆生,E-mail:qswu@mail.tongji.edu.cn;Fax:021-65982287;Tel:021-65982620 E-mail:qswu@mail.tongji.edu.cn
  • 基金资助:
    国家自然科学基金(No.20071025)和上海市纳米专项基金(No.0259nm021)资助项目.

Biomimetic Synthesis of Metastable PbCrO4 Nanoparticles by EmulsionLiquid Membrane System with Carrier and Coupled Treatment of Pb(Ⅱ) and Cr(VI) Wastewaters

LIU Hua-Jie1, WU Qing-Sheng1, DING Ya-Ping2, LIU Lu1   

  1. 1. Department of Chemistry, Tongji University, Shanghai 200092;
    2. Department of Chemistry, Shanghai University, Shanghai 200436
  • Received:2003-09-15 Revised:2004-01-13 Published:2014-02-17

PbCrO4 nanoparticles of metastable orthorhombic phase with the diameter of 5~15 nm were first synthesized through a new kind of biomimetic method. This kind of method was based on emulsion liquid membrane system to mimic the vesicle structure and ion transport function. In this system,membrane phase consisted of kerosene, Span-80 and N7301. Cr(VI) and Pb(Ⅱ), which usually existed in plating and accumulator wastewaters,were used as external and internal phase respectively. XRD and TEM were taken to characterize the structure and morphology of as-product. And the optic properties of as-prepared and bulk PbCrO4 materials were first compared with FT-IR and UV-vis results. The possible mechanism was proposed initially. This method is also promising in the treatment of various industrial wastewaters simultaneously.

Key words: PbCrO4, biomimetic synthesis, nanoparticle, emulsion liquid membrane, metastable phase, Pb(Ⅱ)and Cr(VI)wastewater