The solid silica sulfuric acid was used to heterogeneous sulfonation of polystyrene waste dissolved in organic solvent. After sulfonation, small suspended particles of polystyrene derivatives were easily separated from much bigger particles of silica sulfuric acid by filtration and
from solvent mostly by decantation and additionally by evaporation. The characteristics of adsorption of heavy metal cations on resins from polystyrene were compared with that of commercial resins. It was proved that synthesized resins are effective cation exchangers. The advantage of obtained
resins was their high rate of metal removal.
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Document Type: Research Article
Department of Environmental Chemistry and Technology,Institute of Chemistry, University of Silesia, Szkolna 940-006 Katowice, Poland
Department of Physical Pharmacy,Medical University of Silesia, Jagiellońska 441-200 Sosnowiec, Poland
May 3, 2012