publication . Doctoral thesis . 2017

ARSENIC REMOVAL BY PHYTOFILTRATION AND SILICON TREATMENT : A POTENTIAL SOLUTION FOR LOWERING ARSENIC CONCENTRATIONS IN FOOD CROPS

Sandhi, Arifin;
Open Access English
  • Published: 01 Jan 2017
  • Publisher: KTH, Mark- och vattenteknik
  • Country: Sweden
Abstract
Use of arsenic-rich groundwater for crop irrigation can increase the arsenic (As) content in food crops and act as a carcinogen, compromising human health. Using aquatic plant based phytofiltration is a potential eco-technique for removing arsenic from water. The aquatic moss species Warnstorfia fluitans grows naturally in mining areas in northern Sweden, where high concentrations of arsenic occur in lakes and rivers. This species was selected as a model for field, climate chamber and greenhouse studies on factors governing arsenic removal and arsenic phytofiltration of irrigation water. The arsenic and silicon (Si) concentrations in soil, water and plant sample...
Subjects
Medical Subject Headings: inorganic chemicalsfood and beveragesintegumentary system
free text keywords: aquatic moss, grain, rice, lettuce, macrophyte, phytoremediation, speciation, temperature, oxygenation, wetland., Earth and Related Environmental Sciences, Geovetenskap och miljövetenskap, Other Environmental Engineering, Annan naturresursteknik, Botany, Botanik, Bio Materials, Biomaterial, Inorganic Chemistry, Oorganisk kemi
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