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Highly effective and reusable Ni-Al oxide/Zn0.4Co0.6Fe2O4 superparamagnetic aerogel for oil-water separation.
Shehata, Fagr A; El-Kalliny, Amer S; Abdel-Wahed, Mahmoud S; Attia, Mohamed S; Gad-Allah, Tarek A.
Afiliación
  • Shehata FA; Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, 12622, Giza, Egypt.
  • El-Kalliny AS; Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, 12622, Giza, Egypt.
  • Abdel-Wahed MS; Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, 12622, Giza, Egypt.
  • Attia MS; Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt.
  • Gad-Allah TA; Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, 12622, Giza, Egypt. Electronic address: tareqabdelshafy@yahoo.ca.
Chemosphere ; 355: 141668, 2024 May.
Article en En | MEDLINE | ID: mdl-38490614
ABSTRACT
Oily wastewater from the oil industry and oil spill accidents has become a serious environmental problem and has attracted worldwide attention. The present study reports on the successful preparation of a novel magnetic Ni-Al oxide/Zn0.4Co0.6F2O4 mesoporous aerogel (MNA) as a highly selective adsorbent for oil removal from water. Oleic acid (OA) and Triton X-100 (TX) were used as hydrophobic agents for MNA surface modification. It was found that the attached amount of OA on the mesoporous MNA aerogel is 3.5 times larger than that of TX, giving an advantage to MNA-OA in oil separation. The MNA-OA displayed superhydrophobicity (contact angle ∼150°) and superparamagnetism properties that allowed the adsorbent to be used selectively for oil removal. The MNA-OA was found to have a high oil removal efficiency of ∼97% with an adsorption capacity of ∼2 g/g. Furthermore, the produced magnetic adsorbent has high stability due to the strong chemical binding of OA, which is demonstrated by its good reusability performance. Throughout five separate runs, the MNA-OA was shown to be a very efficient and reusable adsorbent for oily wastewater.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Óxidos / Aguas Residuales Idioma: En Revista: Chemosphere Año: 2024 Tipo del documento: Article País de afiliación: Egipto Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
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XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Óxidos / Aguas Residuales Idioma: En Revista: Chemosphere Año: 2024 Tipo del documento: Article País de afiliación: Egipto Pais de publicación: Reino Unido