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Nitrate removal fro...
Nitrate removal from water by nano-alumina : Characterization and sorption studies
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- Bhatnagar, Amit (författare)
- FEUP, Dept Engn Quim, LSRE, P-4200465 Oporto, Portugal & Tech Univ Hamburg, Inst Environm Technol & Energy Econ, D-21073 Hamburg, Germany
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- Kumar, Eva (författare)
- FEUP, Dept Engn Quim
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- Sillanpää, Mika (författare)
- Univ Eastern Finland
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(creator_code:org_t)
- Elsevier, 2010
- 2010
- Engelska.
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Ingår i: Chemical Engineering Journal. - : Elsevier. - 1385-8947 .- 1873-3212. ; 163:3, s. 317-323
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The present study was conducted to evaluate the feasibility of nano-alumina for nitrate removal from aqueous solutions. The nature and morphology of sorbent was characterized by XRD, FTIR, BET and SEM analysis. Batch adsorption studies were performed as a function of contact time, initial nitrate concentration, temperature, pH and influence of other interfering anions. Nitrate sorption kinetics was well fitted by pseudo-second-order kinetic model. The maximum sorption capacity of nano-alumina for nitrate removal was found to be ca. 4.0 mg g(-1) at 25 +/- 2 degrees C. Maximum nitrate removal occurred at equilibrium pH ca. 4.4. The nitrate sorption has been well explained using Langmuir isotherm model. Results from this study demonstrated the potential utility of nano-alumina for nitrate removal from water.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- Environmental Science
- Miljövetenskap
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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