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USE OF LOW-GRADE AND RECYCLED MATEWRIALS AS SELECTIVE ARSENATE AND ANTIMONATE SORBENTS
(STEF92 Technology, 2022-12-27, Barbora Doušová, Miloslav Lhotka, Eva Bedrnová)
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Arsenic (As) and antimony (Sb) are elements with similar chemistry and geochemistry, but their environmental risk differ depending on the origin and degree of the pollution. As and Sb are both very toxic, particularly their inorganic substances in the oxidation states of III and V, which also represent the most common As/Sb forms in the environment. In environmental systems, As mostly occurs as the tetrahedrally coordinated, pentavalent arsenate AsO43- (in oxidising environment), and the trivalent arsenite AsO33- ...
Recycling2022