Sorption of wastewater containing reactive red X-3B on inorgano-organo pillared bentonite

Journal of Zhejiang University. Science. B
Xiu-qiong Zeng

Abstract

Bentonite is a kind of natural clay with good exchanging ability. By exchanging its interlamellar cations with various soluble cations, such as quaternary ammonium cations and inorganic metal ions, the properties of natural bentonite can be greatly improved. In this study, hexadecyltrimethylammonium bromide (HDTMA), CaCl(2), MgCl(2), FeCl(3), AlCl(3) were used as organic and inorganic pillared materials respectively to produce several kinds of Ca-, Mg-, Fe-, Al-organo pillared bentonites. Sorption of reactive red X-3B on them was studied to determine their potential application as sorbents in wastewater treatment. The results showed that these pillared bentonites had much improved sorption properties, and that the dye solutions' pH value had some effect on the performance of these inorgano-organo pillared bentonites. Isotherms of reactive X-3B on these pillared bentonites suggested a Langmuir-type sorption mechanism.

References

Jul 13, 2005·Journal of Colloid and Interface Science·D E EgiraniJ E Andrews
Oct 18, 2005·Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life·Kong-Jiang Wang, James P Ferris

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