五种水生植物对水中氟化物的去除作用。

Removal of fluoride from water by five submerged plants.

机构信息

College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450001, Henan, People's Republic of China.

出版信息

Bull Environ Contam Toxicol. 2012 Aug;89(2):395-9. doi: 10.1007/s00128-012-0710-z. Epub 2012 Jun 22.

DOI:10.1007/s00128-012-0710-z

PMID:22722597

Abstract

Studies were conducted on the bioconcentration of fluoride (F(-)) in five submerged plants species. Ceratophyllum demersum, Hydrilla verticillata, Potamogeton malaianus, Myriophyllum verticillatum and Elodea nuttallii were all able to remove F(-) from water to some degree of efficiencies. At 5-20 mg F(-)/L culture solution, C. demersum had the best F(-)-removal performance, E. nuttallii had the poorest F(-)-removal performance among these plants. The relative growth rate (RGR) of the five species varied in different concentrations of F(-), of which C. demersum had the highest RGR. Its RGR decreased by 26.3 %, 63.2 % and 73.7 % from controls at 5, 10 and 20 mg F/L, respectively.

摘要

研究了五种沉水植物对氟（F（-））的生物浓缩作用。金鱼藻、黑藻、穗状狐尾藻、竹叶眼子菜和水花生都能在一定程度上从水中去除 F（-）。在 5-20 mg F（-）/L 培养液中，金鱼藻对 F（-）的去除效果最好，而水花生在这些植物中的去除效果最差。五种植物的相对生长率（RGR）在不同浓度的 F（-）中有所不同，其中金鱼藻的 RGR 最高。其 RGR 在 5、10 和 20 mg F/L 时分别比对照下降了 26.3%、63.2%和 73.7%。