TY - JOUR
T1 - SORPTION CHARACTERISTICS OF ORGANIC COMPOUNDS ON HEXADECYLTRIMETHYLAMMONIUM-SMECTITE.
AU - Boyd, Stephen A.
AU - Mortland, Max M.
AU - Chiou, Cary T.
PY - 1988/1/1
Y1 - 1988/1/1
N2 - When hexadecyltrimethylammonium (HDTMA) ion is exchanged for metal cations like calcium in smectite, the sorptive properties of the clay are greatly modified. The resultant HDTMA-smectite complex behaves as a dual sorbent, in the sorption of organic compounds, in which the mineral fraction functions as a solid adsorbent and the organic (HDTMA) phase as a partition medium. Capacities of mineral adsorption and partition uptake by HDTMA in the HDTMA-smectites are illustrated by sorption of benzene, trichloroethene (TCE), and water as vapors on the dry sample and by sorption of benzene and TCE from water. It is suggested that sorptive organo-clay complexes could be used to enhance the containment capabilities of clay landfill liners and bentonite slurry walls.
AB - When hexadecyltrimethylammonium (HDTMA) ion is exchanged for metal cations like calcium in smectite, the sorptive properties of the clay are greatly modified. The resultant HDTMA-smectite complex behaves as a dual sorbent, in the sorption of organic compounds, in which the mineral fraction functions as a solid adsorbent and the organic (HDTMA) phase as a partition medium. Capacities of mineral adsorption and partition uptake by HDTMA in the HDTMA-smectites are illustrated by sorption of benzene, trichloroethene (TCE), and water as vapors on the dry sample and by sorption of benzene and TCE from water. It is suggested that sorptive organo-clay complexes could be used to enhance the containment capabilities of clay landfill liners and bentonite slurry walls.
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U2 - 10.2136/sssaj1988.03615995005200030010x
DO - 10.2136/sssaj1988.03615995005200030010x
M3 - Article
AN - SCOPUS:0024017247
SN - 0361-5995
VL - 52
SP - 652
EP - 657
JO - Soil Science Society of America Journal
JF - Soil Science Society of America Journal
IS - 3
ER -