Heavy metals/metalloids remediation from wastewater using free floating macrophytes of a natural wetland

2019 ◽  
Vol 15 ◽  
pp. 100393 ◽  
Author(s):  
Prabhat Kumar Rai
Keyword(s):  
Heavy Metals ◽  
Natural Wetland ◽  
Floating Macrophytes

Evaluation of the removal of heavy metals in a natural wetland impacted by mining activities in Mexico

2017 ◽  
Vol 76 (23) ◽  
Author(s):  
Juan Miguel Gómez-Bernal ◽  
Esther Aurora Ruiz-Huerta ◽  
María Aurora Armienta-Hernández ◽  
Víctor Manuel Luna-Pabello
Keyword(s):  
Heavy Metals ◽  
Mining Activities ◽  
Natural Wetland ◽  
Removal Of Heavy Metals

The Spatial Distribution of Nutrient and Heavy Metals in Shouguang Reed Wetland Soil for Receiving Drainage

2010 ◽  
Vol 113-116 ◽  
pp. 1230-1234 ◽  
Author(s):  
Xiao Lei Lv ◽  
Fang Ma ◽  
Li Wei ◽  
Li Wang ◽  
Chang Long Pang
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Spatial Distribution ◽  
Removal Rate ◽  
Flow Direction ◽  
Wetland Soil ◽  
Natural Wetland ◽  
Treatment Wetland ◽  
Low Concentrations ◽  
Wetland Treatment

In this study, a survey for the spatial distribution of heavy metals in Shouguang reed wetland of China was conducted. Samples were collected from water and soil in two parts of the wetland: treatment wetland and natural wetland. The elements including K, Ca, Na, Mg, Al, Fe, As, Cr, Pb, Zn, Mn, Hg were analyzed. The changes of their contents along the flow direction were investigated and the contents in treatment wetland and natural wetland were compared. The data indicates that the contents of nutrient and heavy metals decrease along the flow direction. The soil in Shouguang is saline-alkali. The nutrient elements are enriched, while the heavy metals are in low concentrations. The content of the nutrient and heavy metal in treatment wetland is higher than that in natural wetland. The removal rate of the element is Fe(68.6%), Al(45.8%), K(44.7%), Na (25.7%), Ca(23.1%), Mg(22.8%), Pb(90.45%), Zn (87.83%), Cd(71.16%), Mn(56.75%), Cr(40%). The Hg and Cd are undetected. Contents of As, Cr, Pb ,Zn and Mn in soil are highest in top layer. With the depth increasing, the concentration of heavy metal decreases.

Fate of Heavy Metals in an Urban Natural Wetland: The Nyabugogo Swamp (Rwanda)

2010 ◽  
Vol 214 (1-4) ◽  
pp. 321-333 ◽  
Author(s):  
Christian B. Sekomo ◽  
Egide Nkuranga ◽  
Diederik P. L. Rousseau ◽  
Piet N. L. Lens
Keyword(s):  
Heavy Metals ◽  
Natural Wetland
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