NDLI: Arsenic removal from aqueous solutions by adsorption on red mud

Content Provider	Semantic Scholar
Author	Altundoğan, Hamdi Soner Altundoğan, Sema Tümen, Fikret Bildik, Memnune
Copyright Year	2000
Abstract	Abstract Use of red mud, which is a waste product from bauxite processing, has been explored as an alternate adsorbent for arsenic in this study. The tests showed that the alkaline aqueous medium (pH 9.5) favored the removal of As(III), whereas the pH range from 1.1 to 3.2 was effective for As(V) removal. The process of arsenic adsorption follows a first-order rate expression and obeys the Langmuir's model. It was found that the adsorption of As(III) was exothermic, whereas As(V) adsorption was endothermic. It would be advantageous to use this residue as an adsorbent replacing polyvalent metal salts.
Starting Page	761
Ending Page	767
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1016/S0956-053X(00)00031-3
Alternate Webpage(s)	https://openaccess.firat.edu.tr/xmlui/bitstream/handle/11508/8479/As%202000-WM.pdf?isAllowed=y&sequence=1
Alternate Webpage(s)	https://doi.org/10.1016/S0956-053X%2800%2900031-3
Volume Number	20
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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