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Evaluating the efficiency of cellulose nanofibers in DEHP removal from water
Environment Research Center, Isfahan University of Medical Sciences.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Food Science Department, Agriculture College, Isfahan University of Technology.
Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences.
2017 (English)In: Desalination and Water Treatment, ISSN 1944-3994, E-ISSN 1944-3986, Vol. 77, p. 229-236Article in journal (Refereed) Published
Abstract [en]

The removal of di(2-ethylhexyl)phthalate (DEHP) from aqueous solutions by cellulose nanofibers (CNFs), derived from softwood, was studied. The optimum conditions of four factors at four levels including the DEHP concentration (1–10 mg/L), adsorbent dose (0.5–3 g/L), contact time (30–180 min), and pH (3–9) in a batch system was investigated by the design of experiment software. The Isotherm Fitting Tool software was used to fit isotherm parameters to experimental data. The maximum removal efficiency, (74.1%), was obtained at a DEHP concentration of 10 mg/L, an adsorbent dose of 0.5 g/L, a contact time of 30 min, and a pH of 7. The amount of DEHP adsorbed per unit weight of adsorbent (qe) in the optimum conditions was 14.8 mg/g. The system was well corresponded by the generalized Langmuir–Freundlich model. The results showed that extracted CNF from softwood has a good potential for treatment of polluted aqueous solutions by DEHP.

Place, publisher, year, edition, pages
Desalination Publications , 2017. Vol. 77, p. 229-236
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-65078DOI: 10.5004/dwt.2017.20777ISI: 000407719900031Scopus ID: 2-s2.0-85026240112OAI: oai:DiVA.org:ltu-65078DiVA, id: diva2:1131598
Note

Validerad; 2017; Nivå 2; 2017-08-15 (andbra)

Available from: 2017-08-15 Created: 2017-08-15 Last updated: 2017-11-24Bibliographically approved

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Jonoobi, Mehdi

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