A biomimetic absorbent for removal of trace level persistent organic pollutants from water.
作者： Huijuan Liu , Jiuhui Qu , Ruihua Dai , Jia Ru , Zijian Wang
DOI: 10.1016/J.ENVPOL.2006.06.031
关键词: Adsorption 、 Pollutant 、 Partition coefficient 、 Persistent organic pollutant 、 Triolein 、 Water treatment 、 Chemistry 、 Chromatography 、 Aldrin 、 Cellulose acetate
摘要: A novel biomimetic absorbent containing the lipid triolein was developed for removing persistent organic pollutants (POPs) from water. The structural characteristics of were obtained by SEM and a photoluminescence method. Under optimum preparation conditions, perfectly embedded in cellulose acetate (CA) spheres, stable no leaked into Dieldrin, endrin, aldrin heptachlor epoxide effectively removed CA--triolein laboratory batch experiments. This suggests that CA-triolein may serve as good those selected POPs. Triolein significantly increased absorption capacity, lower residual concentrations POPs achieved when compared to use absorbent. rate lipophilic very fast exhibited some relationship with octanol--water partition coefficient analyte. mechanism is discussed detail.
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