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Adsorption isotherm and kinetic studies of As(V) removal from aqueous solution using cattle bone char
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Land and Water Resources Engineering.
2016 (English)In: Journal of Water Supply: Research and Technology - Aqua, ISSN 0003-7214, E-ISSN 1365-2087, Vol. 65, no 3, 244-252 p.Article in journal (Refereed) PublishedText
Abstract [en]

The As(V) adsorption onto bone char was investigated as a function of bone char dosage, pH and contact time in batch tests. The initial As(V) concentrations were varied from 0.1 to 1 mg/L to evaluate the adsorption kinetics and isotherm. The As(V) concentrations were analyzed using a graphite furnace atomic absorption spectrophotometer. The highest As(V) removal was found to be 62% after 3 d using 3 g bone char at a pH level of 4.0 for 0.5 mg/L As(V) concentration. The maximum adsorption capacity was 0.13 for 1 mg/L As(V) concentration. A Langmuir isotherm and second order adsorption kinetics were observed for As(V) adsorption.

Place, publisher, year, edition, pages
IWA Publishing, 2016. Vol. 65, no 3, 244-252 p.
Keyword [en]
adsorption, arsenic, bone char, isotherm, kinetics
National Category
Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-188119DOI: 10.2166/aqua.2016.089ISI: 000375727000005ScopusID: 2-s2.0-84971482857OAI: oai:DiVA.org:kth-188119DiVA: diva2:936088
Note

QC 20160613

Available from: 2016-06-13 Created: 2016-06-03 Last updated: 2016-06-13Bibliographically approved

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Hyder, A. H. M. Golam
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