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Surface modified composite nanofibers for the removal of indigo carmine dye from polluted water
KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik.
Rudjer Boskovic Inst, Div Marine & Environm Res, Zagreb, Croatia..
Cairo Univ, Egypt Nanotechnol Ctr, EGNC, 6Th October City 12588, Egypt.;Karlsruhe Inst Technol, Inst Funct Interfaces IFG, Membrane Technol Dept, D-76344 Karlsruhe, Germany.;Akhbar El Yom Acad, Prod Engn & Printing Technol Dept, Giza 12655, Egypt..
KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik.
2018 (Engelska)Ingår i: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 8, nr 43, s. 24588-24598Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Surface coated magnetite nanoparticles (Fe3O4 NPs) with 3-mercaptopropionic acid were immobilized on amidoximated polyacrilonitrile (APAN) nanofibers using electrospinning followed by crosslinking. The prepared composite nanofibers were characterized with Scanning Electron Microscopy (SEM), and Fourier Transform Infrared analysis (FTIR). The composite nanofiber was evaluated for the removal of indigo carmine dye from aqueous solutions. The effects of contact time, initial dye concentration, solution pH and adsorption equilibrium isotherms were studied. The adsorption of indigo carmine was found to be greatly affected by solution pH. The maximum loading capacity was determined to be 154.5 mg g(-1) at pH = 5. The experimental kinetic data were fitted well using a pseudo-first order model. The adsorption isotherm studies showed that the adsorption of indigo carmine fits well with the Langmuir model. The reuse of the composite nanofiber was also investigated in which more than 90% of indigo carmine was recovered in 5 min. The results of stability studies showed that the adsorption efficiency can remain almost constant (90%) after five consecutive adsorption/desorption cycles.

Ort, förlag, år, upplaga, sidor
Royal Society of Chemistry, 2018. Vol. 8, nr 43, s. 24588-24598
Nationell ämneskategori
Kemi
Identifikatorer
URN: urn:nbn:se:kth:diva-233304DOI: 10.1039/c8ra02463dISI: 000440243600055Scopus ID: 2-s2.0-85049838997OAI: oai:DiVA.org:kth-233304DiVA, id: diva2:1239309
Forskningsfinansiär
EU, FP7, Sjunde ramprogrammet
Anmärkning

QC 20180816

Tillgänglig från: 2018-08-16 Skapad: 2018-08-16 Senast uppdaterad: 2018-08-16Bibliografiskt granskad

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Uheida, Abdusalam

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