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Assessing of removal efficiency of Indigo carmine from wastewater using MWCNTs | ||
| Iranian Journal of Science | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 25 اسفند 1394 | ||
| نوع مقاله: Regular Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijsts.2016.3635 | ||
| نویسندگان | ||
| Soheil Sobhan Ardakani* 1؛ Mehrnaz Ghoochian2؛ Saeed Jamehbozorgi3؛ Raziyeh Zandipak4 | ||
| 1Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran | ||
| 2Department of the Environment, Hamedan Branch, Islamic Azad University, Hamedan, Iran | ||
| 3Department of Chemistry, Hamedan Branch, Islamic Azad University, Hamedan, Iran | ||
| 4Young Researchers and Elite Club, Hamedan Branch, Islamic Azad University, Hamedan, Iran | ||
| چکیده | ||
| Multi-walled carbon nanotubes (MWCNTs) were oxidized for removal of indigo carmine (IC) from aqueous solution through batch experiment. The effects of contact time, temperature, pH and dosage of adsorbent on the removal of indigo carmine were investigated. The optimal pH for maximum dye adsorption was found to be 5.0. The adsorption kinetic of IC dye onto oxidized MWCNTs fitted the pseudo-second-order model and the equilibrium experimental results showed good correlation with Freundlich model. The maximum adsorption capacity for indigo carmine was obtained as 71.42 mg g-1. | ||
| کلیدواژهها | ||
| effective removal؛ Indigo carmine؛ multi-walled carbon nanotube؛ Wastewater | ||
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