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Separation of Heavy Metals From Water by Functionalized Glycidyl Methacrylate Poly (High Internal Phase Emulsions)

Separation of Heavy Metals From Water by Functionalized Glycidyl Methacrylate Poly (High Internal Phase Emulsions)

Sebastjan Huš, Mitja Kolar, Peter Krajnc

J Chromatogr A. 2016 Mar 11;1437:168-175.

PMID: 26875120

Abstract:

Removal of silver, lead and cadmium ions from both model solutions and real contaminated water was achieved, in a flow through manner, by using highly porous functionalized poly(glycidyl methacrylate) materials, prepared by the polymerisation of high internal phase emulsions (polyHIPE), with significant sorption differences between metals allowing for selective removal. PolyHIPEs, initially prepared from glycidyl methacrylate as a functional monomer, were functionalized with pentaerythritol tetrakis(3-mercaptopropionate), 1,9-nonanedithiol and 2-aminobenzenethiol via the epoxy ring opening on the polymer supports and applied in a flow-through manner via encasements into dedicated disk holders. Capacity of 21.7mg Ag per gram of polymer was found for 1,9-nonanedithiol functionalized polymers, while the capacity was decreasing with the decreasing ionic radius of the metal; the dynamics of sorption also depended on metal ion size and furthermore on the thiol used for the polymer functionalization.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP3489289	1,9-Nonanedithiol		3489-28-9	Price

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