Removal of phenol using TDTAB-and HDTAB-bentonites
Yazarlar (3)
Makale Türü Özgün Makale (Uluslararası alan indekslerindeki dergilerde yayınlanan tam makale)
Dergi Adı Energy Sources, Part A
Dergi ISSN 1556-7036
Makale Dili – Basım Tarihi 01-2007
Kabul Tarihi – Yayınlanma Tarihi 01-01-2007
Cilt / Sayı / Sayfa 29 / 1 / 67–77 DOI 10.1080/009083190957559
Makale Linki https://www.tandfonline.com/doi/abs/10.1080/009083190957559
UAK Araştırma Alanları
Özet
In this study, the use of modified bentonites for the removal of phenol was investigated. Two alkylammonium derivatives, tetradecyl trimethyl bromide (TDTAB) and hexadecyl trimethylammonium bromide (HDTAB), were used in the modification in amounts equivalent to 100% of CEC. Crude and modified bentonites were subjected to XRD analyses to see the changes in basal spacing (d L ) depending on modification. The increases observed in basal spacing are 8.93 Å and 8.55 Å for TDTAB- and HDTAB-bentonites, respectively. Batch adsorption studies were carried at pH of 5.5 and 20°C. Adsorption isotherms of TDTAB- and HDTAB-bentonites have similar shape, and two regions are observed in isotherms. Adsorption behavior was modelled using Langmuir, Freundlich, BET, Bradley, Halsey, Henderson, Oswin, and Smith equations. The equations fitted better when the isotherm was divided into two concentration …
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Removal of phenol using TDTAB-and HDTAB-bentonites

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