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SPE of Phenols on New Amine - Based Copolymers

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Abstract:

Porous microspheres, copolymers: bis [4(2-hydroxy-3-methacryloyloxypropoxy)-phenysulfide (BES.DM) and glycidyl methacrylate (GMA) have been prepared by suspension-emulsion polymerization. The copolymer (BES.DM+GMA) including reactive epoxide rings was modified with three amines: butylenediamine (BDA), diethylenetriamine (DETA), triethylenetetramine (TETA). Next, attachment of HCO3- species to the primary amine groups took place.The prepared porous polymers were used as adsorbents in off-line SPE experiments. A mixture of phenol (PH), 2-chlorophenol (ChP), 2,4-dichlorophenol (DChP) and 2,4,6-trichlorophenol (TChP) as testing compounds was applied.Depending on the way of chemical modification, the prepared adsorbents possessed diverse sorption properties towards the testing compounds. Competition of the phenolic compounds for active sites presented on the polymer surface was observed. The most effective in water purification process were polymers possessing both amine and bicarbonate groups. The best recovery results were obtained for 2,4-dichlorophenol.

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Periodical:

Key Engineering Materials (Volume 605)

Pages:

173-176

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.605.173

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Online since:

April 2014

Authors:

Magdalena Sobiesiak*, Beata Podkościelna

Keywords:

Phenols, Polymeric Sorbents, Porous Polymers, SPE, Water Purification

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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