%0 Journal Article
%T Removal of microcystin-LR from drinking water using a bamboo-based charcoal adsorbent modified with chitosan<br>
%A Hangjun Zhang
%A Guoying Zhu
%A Xiuying Ji
%A Ying Ding
%A Mi Zhang
%A Qing Gao
%A Ciming Hu
%A Shuying Xu
%A <br>
%J 环境科学学报(英文版)
%D 2011
%I 
%X A new kind of low-cost syntactic adsorbent from bamboo charcoal and chitosan was developed for the removal of microcystin-LR from drinking water. Removal efficiency was higher for the syntactic adsorbent when the amount of bamboo charcoal was increased. The optimum dose ratio of bamboo charcoal to chitosan was 6:4, and the optimum amount was 15 mg/L; equilibrium time was 6 hr. The adsorption isotherm was non-linear and could be simulated by the Freundlich model (R2 = 0.9337). Adsorption efficiency was strongly affected by pH and natural organic matter (NOM). Removal efficiency was 16% higher at pH 3 than at pH 9. Efficiency rate was reduced by 15% with 25 mg/L NOM (UV254 = 0.089 cm-1) in drinking water. This study demonstrated that the bamboo charcoal modified with chitosan can effectively remove microcystin-LR from drinking water.
%K adsorption
%K bamboo charcoal
%K chitosan
%K microcystin-LR<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=6CB1530875F53489BF1E81BD87B7F5E6&aid=CE53F5919B5ADD93A3C54194B62CE338&yid=9377ED8094509821&vid=EA389574707BDED3&iid=59906B3B2830C2C5&sid=A7F20A391020FDEE&eid=0702FE8EC3581E51&journal_id=1001-0742&journal_name=Journalofenvironmentalsciences(China)&referenced_num=0&reference_num=34