Characterization and adsorption behavior of a novel triolein-embedded activated carbon composite adsorbent  

作　　者：RU Jia LIU Huijuan QU Jiuhui WANG Aimin DAI Ruihua 

机构地区：[1]State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China [2]Graduate School of Chinese Academy of Sciences, Beijing 100039,China

出　　处：《Chinese Science Bulletin》2005年第23期2788-2790,共3页

基　　金：This work was supported by the National Natural Science Foundation of China(Grant Nos.50578154,20337020);the Hi-Tech Research and Development Program of China(Grant No.2005AA642020).

摘　　要：A novel triolein-embedded activated carbon composite adsorbent was developed. Experiments were car-ried out in areas such as the preparation method, the char-acterization of physicochemical properties, and the adsorp-tion behavior of the composite adsorbent in removing diel-drin from aqueous solution. Results suggested that the novel composite adsorbent was composed of the supporting acti-vated carbon and the surrounding triolein-embedded cellu-lose acetate membrane. The adsorbent was stable in water, for no triolein leakage was detected after soaking the ad-sorbent for five weeks. The adsorbent had good adsorption capability to dieldrin, which was indicated by a residual di-eldrin concentration of 0.204 μg·L?1. The removal efficiency of the composite adsorbent was higher than the traditional activated carbon adsorbent.A novel triolein-embedded activated carbon composite adsorbent was developed. Experiments were carried out in areas such as the preparation method, the characterization of physicochemicai properties, and the adsorption behavior of the composite adsorbent in removing dieldrin from aqueous solution. Results suggested that the novel composite adsorbent was composed of the supporting activated carbon and the surrounding triolein-embedded cellulose acetate membrane. The adsorbent was stable in water, for no triolein leakage was detected after soaking the adsorbent for five weeks. The adsorbent had good adsorption capability to dieldrin, which was indicated by a residual dieldrin concentration of 0.204μg·L^-1. The removal efficiency of the composite adsorbent was higher than the traditional activated carbon adsorbent.

关 键 词：饮用水处理 活性碳吸附剂 三油精 持久性有机污染物 吸附行为 

分 类 号：TU991.2[建筑科学—市政工程]