Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 19, Issue 22, Pages 3713-3718Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b822879e
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We demonstrate that the incorporation of carbon nanotubes (CNTs) in the pores of a membrane can offer several advantages. A dispersion of CNTs in polyvinylidene fluoride was injected through a porous membrane, which immobilized the nanotubes in the pore structure. The CNTs served as a sorbent facilitating solute exchange between the two phases leading to enhancement of the enrichment factor by as much as 93%. The presence of CNTs also developed a diffusion barrier by sorbing solvent on its surface, which led to higher retention of the extractant within the membrane.
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