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Application of Electroactive Nano Composite Coated onto Wood Sawdust for the Removal of Malachite Green Dye from Textile Wastewaters | ||
Journal of Physical & Theoretical Chemistry | ||
مقاله 6، دوره 9، شماره 2، آبان 2012، صفحه 95-102 اصل مقاله (515.01 K) | ||
نوع مقاله: Research Paper | ||
نویسندگان | ||
M. H. Fekri* ؛ M. Banimahd keivani* ؛ M. Darvishpour* ؛ H. Banimahd keivani* | ||
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چکیده | ||
In this research, the removal of malachite green dye from Textile Wastewaters using polyaniline coated onto sawdust (PAni/SD) has been investigated. Ammonium peroxodisulphate was used as chemical oxidant for polymerization of polyaniline directly on the surface of sawdust. The effects of some important parameters such as pH, initial concentration, sorbent dosage, exposure time and temperature on uptake of malachite green dye were investigated.Adsorption studies have shown that pH of the malachite green solution has influence on the dye removal capacity of PAni/SD. It was found that effective dye removal is occurred under neutral or acidic conditions. The treatments of data were carried out using both Freundlich and Langmuir adsorption isotherms. | ||
کلیدواژهها | ||
Polyaniline؛ Malachite green dye؛ Sawdust؛ Adsorption؛ nano composite؛ Textile | ||
آمار تعداد مشاهده مقاله: 772 تعداد دریافت فایل اصل مقاله: 406 |