Title: FLEXIBLE PVC-SILICA COMPOSITES AS AN ADSORPTIVE MATERIAL FOR WATER SOLUBLE DYES
Page Range: p.177-182
Author(s): Sevgi Ulutan; Senem Yetgin; Devrim Balkose
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 21
Issue No: No.3
Abstract
Methylene Blue (MB) adsorption studies were performed on flexible Polyvinyl Chloride/Silica composites which were obtained by using plastisol-plastigel technology. Change of MB concentration in aqueous phase as the adsorption process advanced was followed by using visible spectroscopy. The diffusion of MB through the composites exhibited non-Fickian behaviour with a diffusivity of 10-11 m2s-1. Making use of such PVC-silica composite sheets as column packing, the packing time will be reduced and the surface available for diffusion will be increased. 22 Refs.
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