Amine-modified halloysite nanotube embedded PEI cryogels as adsorbent nanoarchitectonics for recovery of valuable phenolic compounds from olive mill wastewater

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dc.authorid0000-0001-7083-1481en_US
dc.authorid0000-0002-3524-0675en_US
dc.authorid0000-0003-4607-3523en_US
dc.authorid0000-0003-0120-530Xen_US
dc.authorscopusid56026625600en_US
dc.authorscopusid57210429765en_US
dc.authorscopusid55964006300en_US
dc.authorscopusid6602001525en_US
dc.authorwosidHQZ-4087-2023en_US
dc.authorwosidU-5886-2019en_US
dc.authorwosid-en_US
dc.authorwosidDVD-0927-2022en_US
dc.contributor.authorDemirci, Şahin
dc.contributor.authorSağbaş Suner, Selin
dc.contributor.authorYılmaz, Selehattin
dc.contributor.authorBağdat, Sema
dc.contributor.authorTokay, Feyzullah
dc.contributor.authorŞahiner, Nurettin
dc.date.accessioned2024-02-21T06:11:34Z
dc.date.available2024-02-21T06:11:34Z
dc.date.issued2024en_US
dc.departmentFakülteler, Fen Fakültesi, Kimya Bölümü
dc.departmentRektörlük, Rektörlüğe Bağlı Bölümler, Nanobilim ve Teknoloji Araştırma ve Uygulama Merkezi
dc.description.abstractHere, natural tubular clays, halloysite nanotubes (Hal), were modified with ethylenediamine (EDA), triethylenetetramine (TETA), pentaethylenehexamine (PEHA), and polyethyleneimine (PEI) to enhance their adsorption capabilities for phenolic compound for the treatment of olive mill wastewater (OMWW). Among the modified Hal adsorbents, Hall-PEHA adsorbent demonstrated a higher surface charge of +15.9 ± 1.9 mV and a larger surface area of 24.8 m2/g. The hydroxytyrosol, tyrosol, and oleuropein adsorption from their 1000 mg/L 10 mL single aqueous solutions were determined as 696 ± 44, 536 ± 36 and 91 ± 22 mg/g, respectively. Furthermore, it was determined that 90 ± 8%, 45 ± 0%, and 35 ± 3% of hydroxytyrosol, tyrosol, and oleuropein phenolic compounds were recovered from their 10 mL of 1000 mg/L aqueous mixture solution. On the other hand, the Hal-PEI adsorbents were able to adsorb 7.1 ± 1.2, 3.3 ± 0.5 and 0.5 ± 0.05 mg/g of hydroxytyrosol, tyrosol, and oleuropein compounds, respectively, from the actual OMWW. These values correspond to approximately 85 ± 8%, 71 ± 10%, and 70 ± 7% of the total amount of these compounds present in the OMWW. The PEI cryogel composite system, where Hal-PEHA was embedded into PEI cryogels (Hal-PEHA@PEI), exhibited improved adsorption amount for hydroxytyrosol, tyrosol, and oleuropein compounds from the actual OMWW compared to Hal-PEHA alone. The Hal-PEHA@PEI composite system adsorption amount was determined as 7.6 ± 1.6, 3.4 ± 0.2 and 0.7 ± 0.02 mg/g of hydroxytyrosol, tyrosol, and oleuropein compounds, respectively. These values correspond to approximately 90 ± 3%, 73 ± 3%, and 92 ± 3% of the total amount of these compounds present in the OMWW.en_US
dc.identifier.citationDemirci, Ş., Sağbaş Suner, S., Yılmaz, S., Bagdat, S., Tokay, F., & Şahiner, N. (2024) Amine-modified halloysite nanotube embedded PEI cryogels as adsorbent nanoarchitectonics for recovery of valuable phenolic compounds from olive mill wastewater. Applied Clay Science, 249. doi: 10.1016/j.clay.2024.107265en_US
dc.identifier.doi10.1016/j.clay.2024.107265
dc.identifier.issn0169-1317
dc.identifier.scopus2-s2.0-85183164506
dc.identifier.urihttps://doi.org/10.1016/j.clay.2024.107265
dc.identifier.urihttps://hdl.handle.net/20.500.12428/5704
dc.identifier.volume249en_US
dc.identifier.wosWOS:001171862900001
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorDemirci, Şahin
dc.institutionauthorSağbaş Suner, Selin
dc.institutionauthorYılmaz, Selehattin
dc.institutionauthorŞahiner, Nurettin
dc.language.isoen
dc.publisherElsevier Ltden_US
dc.relation.ispartofApplied Clay Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectColumn filler materialen_US
dc.subjectCryogel-clay compositeen_US
dc.subjectNatural adsorbenten_US
dc.subjectOlive mill wastewater treatmenten_US
dc.subjectPhenolic adsorptionen_US
dc.subjectValuable phenolicsen_US
dc.titleAmine-modified halloysite nanotube embedded PEI cryogels as adsorbent nanoarchitectonics for recovery of valuable phenolic compounds from olive mill wastewater
dc.typeArticle

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