1,1′-Dimethyl-4,4′-bipyridinium-smectites as a novel adsorbent of phenols from water through charge-transfer interactions,10.1039/B302144K

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1,1′-Dimethyl-4,4′-bipyridinium-smectites as a novel adsorbent of phenols from water through charge-transfer interactions

Tomohiko Okada,Makoto Ogawa

Chemical Communications Pub Date : 05/13/2003 00:00:00 , DOI:10.1039/B302144K

Abstract

The adsorption of 2,4-dichlorophenol onto the 1,1′-dimethyl-4,4′-bipyridinium-saponite, a smectite group of clay minerals, from dilute aqueous solution occurred effectively through charge-transfer interactions and such interactions resulted in the change in the color of the 1,1′-dimethyl-4,4′-bipyridinium-saponite.