Evaluation of small-scale constructed wetland for water quality and Hg transformation

被引：25

作者：

Chavan, Prithvirai V.

Dennett, Keith E.

Marchand, Eric A.

Gustin, Mae S.

机构：

[1] Univ Nevada, Dept Civil & Environm Engn, Reno, NV 89557 USA

[2] Univ Nevada, Dept Environm & Resources Sci, Reno, NV 89557 USA

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2007年 / 149卷 / 03期

关键词：

water quality; constructed wetland; Truckee River; mercury;

D O I：

10.1016/j.jhazmat.2007.06.077

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Elevated concentrations of nutrients and mercury (Hg) make Steamboat Creek (SBC) the most polluted tributary of the Truckee River. Since wetlands are considered cost-effective, reliable, and potential sites for methylmercury (MeHg) production, a small-scale wetland system was constructed and monitored for several years in order to quantify both nutrient removal and transformation of mercury. Results indicated seasonal variations in nutrient removal with 40-75% of total nitrogen and 30-60% of total phosphorus being removed with highest removals during summer and lowest removals during winter. The wetland system behaved as a sink for MeHg during the winter months and as a source for MeHg during summer months. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：543 / 547

页数：5

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