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Clay-organic complexes as adsorbents for phenol and chlorophenols

M. M. Mortland, Sun Shaobai and S. A. Boyd
Clay-organic complexes as adsorbents for phenol and chlorophenols
Clays and Clay Minerals (October 1986) 34 (5): 581-585

Abstract

Several clay-organic complexes were synthesized by placing quaternary ammonium cations on smectite by cation exchange. They were then examined for their ability to adsorb phenol and several of its chlorinated congeners. The organic cations used were: hexadecylpyridinium (HDPY (super +) ), hexadecyltrimethyl ammonium (HDTMA (super +) ), trimethylphenyl ammonium (TMPA (super +) ), and tetramethylammonium (TMA (super +) ). The complexes containing long-chain alkyl (hexadecyl) groups were the most hydrophobic and adsorbed the phenols from water in proportion to their hydrophobicities, which increase with chlorine addition (phenol < chlorophenol < dichloropohenol < trichlorophenol). With n-hexane as the solvent, different adsorption was found which depended on the type and degree of solvent interactions with the compound and the clay-organic complex. Thus, the amount of adsorption of these phenols on clay-organic complexes was dependent on the relative energies of adsorbent-adsorbate and adsorbate-solvent interactions.


ISSN: 0009-8604
Coden: CLCMAB
Serial Title: Clays and Clay Minerals
Serial Volume: 34
Serial Issue: 5
Title: Clay-organic complexes as adsorbents for phenol and chlorophenols
Affiliation: Mich. State Univ., Dep. Crop and Soil Sci., East Lansing, MI, United States
Pages: 581-585
Published: 198610
Text Language: English
Publisher: Clay Minerals Society, Clarkson, NY, United States
References: 12
Accession Number: 1987-014049
Categories: Environmental geologyMineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Mineralogical Society of Great Britain and Ireland
Update Code: 1987
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