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2015 | 17 | 3 | 95-99
Tytuł artykułu

Adsorption of penicillin by decaffeinated tea waste

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Removal of penicillin has been investigated using decaffeinated tea waste (DCTW). Decaffeination of tea waste was investigated using different methods. Results indicate that ozonation was the most effective process for removal of penicillin. Batch adsorption experiments were completed at various temperatures (20, 30, and 40°C), DCTW dosages (2, 4, 6, 8, and 10 g per 250 mL), penicillin concentrations (4, 10, and 14 mg/L), and pH (3, 7, and 10) conditions. Studies showed that adsorption reaches equilibrium within 40 min. The main factor affecting adsorption of penicillin was the solution pH, with maximum adsorption occurring at pH 3. Higher adsorbent dosages and lower penicillin concentrations also resulted in higher percentages of penicillin removal. Results show that data obeyed the pseudo-first-order kinetic and Freundlich isotherm models. This process proves that low-cost DCTW could be used as a high performance adsorbent for removing penicillin from aqueous solutions.
Słowa kluczowe
Wydawca

Rocznik
Tom
17
Numer
3
Strony
95-99
Opis fizyczny
Daty
wydano
2015-09-01
online
2015-09-19
Twórcy
autor
  • Islamic Azad University, Department of Chemistry, Tabriz Branch, Tabriz, Iran
  • Islamic Azad University, Department of Chemistry, Ahar Branch, Ahar, Iran
Bibliografia
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  • 12. Uddin, M.T., Islam, M.A., Mahmud, S. & Rukanuzzaman, M. (2009). Adsorptive removal of methylene blue by tea waste. J. Hazard. Mater. 164, 53–60. DOI: 10.1016/j.jhazmat.2008.07.131.[Crossref]
  • 13. Yang, X. & Cui, X. (2013). Adsorption characteristics of Pb (II) on alkali treated tea residue. Water Resour. Ind. 3, 1–10. DOI: 10.1016/j.wri.2013.05.003.[Crossref]
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  • 18. Jeyakumar, R.P.S. & Chandrasekaran, V. (2014). Adsorption of lead(II) ions by activated carbons prepared from marine green algae: Equilibrium and kinetics studies. Inter. J. Indu. Chem. 5, 1–10. DOI:10.1186/2228-5547-5-2.[Crossref]
  • 19. Chen, D.Z., Zhang, J.X. & Chen, J.M. (2010). Adsorption of methyl tert-butyl ether using granular activated carbon: Equilibrium and kinetic analysis. Int. J. Environ. Sci. Tech. 7, 235–242. DOI: 10.1007/BF03326133.[WoS][Crossref]
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  • 22. Ho, Y.S., Porter, J.F. & Mckay, G. (2002). Equilibrium isotherm studies for the sorption of divalent metal ions onto peat: copper, nickel and lead single component systems. Water Air Soil Poll. 141, 1–33. DOI: 10.1023/A:1021304828010.[Crossref]
  • 23. Ahmed Dhahir, S. & AL-Saade, K.A. (2013). Adsorption study of rhodamin b dye on iraqi bentonite and modified bentonite by nanocompounds TiO ZnO, Al2O3, sodium dodecyl sulfate. Am. J. Environ. Sci. 9, 269–279. DOI: 10.3844/ajessp.2013.269.279.[Crossref]
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_pjct-2015-0056
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