publication . Bachelor thesis . 2012

IMPACTS OF ROAD DE-ICING SALTS ON MANGANESE TRANSPORT TO GROUNDWATER IN ROADSIDE SOILS

Wen, Yingrong;
Open Access English
  • Published: 01 Jan 2012
  • Publisher: KTH, Miljögeokemi och ekoteknik
Abstract
Manganese (Mn) is an important element in soil, it occur natural in minerals and precipitated as Mn-oxides. Several factors could decide the solubility and mobility of Mn in soil water. In this study, the impact of road de-icing salts (NaCl) on manganese mobilization and transport to groundwater in roadside soils has been investigated by leaching tests. Generally, in the salt solution leachates, the water-soluble concentrations of Mn tended to increase with elevated salt concentrations, suggesting that ion exchange mainly affected the mobilization. The process was also attributed to the complexion with Cl. Associated with exchangeable concentration of Mn and soi...
Subjects
free text keywords: Manganese; Mn-oxides; De-icing salts; Leaching test; Ion exchange; Groundwater
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