2003
DOI: 10.1016/s0021-9797(03)00617-9
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Nonionic organic solute sorption onto two organobentonites as a function of organic-carbon content

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Cited by 129 publications
(104 citation statements)
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“…Because of the inability of composite landfill liners to impede diffusive transport, enhancement of the sorption capacity of earthen liner materials is considered as a means to improve liner performance. The magnitude of organic contaminant sorption to natural soils and clays is related to the organic solute's aqueous solubility and the organic-carbon content of the sorbent [6,7]. Sorption efficiency of modified clays for organic contaminants increases with the increase in *Address correspondence to this author at the Department of Civil & Environmental Engineering, Delhi College of Engineering, Delhi, India; E-mail: madhyabharat@rediffmail.com number of carbon atoms associated with Quaternary Ammonium Cations [8].…”
Section: Introductionmentioning
confidence: 99%
“…Because of the inability of composite landfill liners to impede diffusive transport, enhancement of the sorption capacity of earthen liner materials is considered as a means to improve liner performance. The magnitude of organic contaminant sorption to natural soils and clays is related to the organic solute's aqueous solubility and the organic-carbon content of the sorbent [6,7]. Sorption efficiency of modified clays for organic contaminants increases with the increase in *Address correspondence to this author at the Department of Civil & Environmental Engineering, Delhi College of Engineering, Delhi, India; E-mail: madhyabharat@rediffmail.com number of carbon atoms associated with Quaternary Ammonium Cations [8].…”
Section: Introductionmentioning
confidence: 99%
“…Bentonit modifikasyonunda yaygın şekilde yüzey aktif madde (YAM) olarak alkil amonyum iyonları, endüstriyel uygulamalarda da özellikle kuvaternar alkil amonyum iyonları kullanılır; modifikasyonda kullanılan diğer önemli organik bileşik grupları ise katyonik boyalar ve katyonik komplekslerdir [18]. Bentonitte tabakalar arası boşluk mesafesi üretim koşullarına bağlı olarak çok artabilir, üretilen malzemelerin yüzey özellikleri hidrofilden hidrofoba dönüşebilir, yüzey enerjisi düşebilir ya da yüzey yükü negatiften pozitife dönüşebilir [37,39,41,60].…”
Section: Organo-bentonitlerunclassified
“…Organo-bentonit üretiminde çoğunlukla kullanılan alkil amonyum türleri alkil, fenil, benzil, piridil gruplarını içeren kuvaterner amonyum bileşikleridir. Bazı durumlarda alkil ve alkenil amonyum iyonları da kullanılır; fakat genellikle kuvaterner alkil amonyum katyonları kullanılmaktadır [36,39]. Diğer kil türleri kullanılarak organokil üretilmesinde de aynı yöntemlerden yararlanılır [14,15,17].…”
Section: Organo-bentonitlerin üRetilmesiunclassified
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