作　　者： ; ; ; ;

机构地区： 华南农业大学资源环境学院

出　　处： 《应用生态学报》 2004年第7期1261-1265,共5页

摘　　要： 在盛装容积为 10 0L富营养化生活污水的陶缸中放置泡沫塑料板作为浮体材料 ,并用有孔塑料小杯作为漂浮植物修复系统 ,在温室内种植风车草、彩叶草和茉莉进行植物净化试验 ,分别测定了污水中的总磷 (T P)、水溶性磷 (S P)、铵态氮 (NH+ 4 N)、硝态氮 (NO-3 N)和总氮 (T N)在种植这 3种植物过程中的含量变化情况 .结果表明 ,这 3种植物经 2 8d生长之后 ,风车草和彩叶草生长良好 ,生物量大 ,其干重分别是初始种植时的 2 85 8%和 371 4 % ,而茉莉生长较差 ,生物量增加少 ,其干重只是初始种植时的 12 5 % .风车草、彩叶草和茉莉对污水中的总氮的去除率分别为 6 8 0 %、6 2 0 %和 4 5 0 % ,对硝态氮的去除率分别为 98 0 %、80 0 %和 92 0 % ,对总磷的去除率分别为 78 0 %、6 6 0 %和 5 5 0 % ,对CODCr的去除率分别为90 6 %、90 5 %和 88 0 % .风车草和彩叶草在飘浮植物修复系统栽培中具有良好的去污效果 . In a greenhouse study,Cyperus alternifolius,Coleus blumei and Jasminum sambac were cultured in a floating phytoremediation system with plantation cups inserted into a polyfoam plate that floated in the upper part of a tank filled with 100 L domestic wastewater.The contents of chemical oxygen demand (COD Cr),total P (T-P),total N (T-N),soluble P(S-P),ammonia-nitrogen (NH+ 4-N) and nitrate-nitrogen (NO- 3-N) in the domestic wastewater were tested during the growth of these three plants.The results showed that Cyperus alternifolius and Coleus blumei could grow well in the floating phytoremediation system,their dry weight being 285.8% and 371.4% of the initial weight of planting,respectively,but Jasminum sambac could not grow well,being 125.0% of the initial weight of planting.The removal rate of TN by these 3 plants was 68.0%,62.0% and 45.0%,and that of NO- 3-N,COD Cr and TP was 98.0%,80.0% and 92.0%,78.0%,66.0% and 55.0%,and 90.6%,90.5% and 88.0% respectively.Cyperus alternifolius and Coleus blumei had good effects on the removal of pollutants in the floating phytoremediation system.

关 键 词： 风车草 彩叶草 茉莉 漂浮植物修复系统 富营养化污水

领　　域： [农业科学] [农业科学]