Topic
Activated alumina
About: Activated alumina is a research topic. Over the lifetime, 1430 publications have been published within this topic receiving 31090 citations.
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TL;DR: In this paper, a method for the species-selective determination of chromium (III) and chromium(VI) in water samples by flame atomic absorption spectrometry using online preconcentration on a microcolumn packed with activated alumina (acidic form) has been developed.
Abstract: A rapid and sensitive method for the species-selective determination of chromium(III) and chromium(VI) in water samples by flame atomic absorption spectrometry using online preconcentration on a microcolumn packed with activated alumina (acidic form) has been developed. Sequential species-selective sorption was possible by using the Clark-Lubs systems with pH 7 for Cr(III) and pH 2 for Cr(VI). The preconcentrated species were eluted directly from the column to the nebulizer-burner system using 1.0 mol/L nitric acid and 0.5 mol/L ammonia for Cr(III) and Cr(VI), respectively
318 citations
TL;DR: In this article, the removal of fluoride ions using activated alumina (AA) was investigated in batch and continuous operations, and the fluoride removal performance was investigated as a function of the fluoride concentration, flow rate, amount of adsorbent dose and pH.
312 citations
TL;DR: This review briefly presents iron and aluminium based adsorbents for arsenic removal and point-of-use adsorptive remediation methods indicate that Sono Arsenic filter and Kanchan™ ArsenIC filter are in operation at various locations of Bangladesh and Nepal.
294 citations
TL;DR: The results suggest that both AA and AC could be used as effective adsorbents for the removal of Cr(VI) ions.
282 citations
TL;DR: The advanced phosphorus removal by adsorption was studied for its suitability as a post-treatment step for membrane bioreactor effluents low in P concentration and particle content and dissolved organic carbon appears to be the strongest competitor for adsorbents.
275 citations