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Titanium lanthanum three oxides decorated magnetic graphene oxide for adsorption of lead ions from aqueous media
Abstrakt
The current study presents a viable and straightforward method for synthesizing titanium lanthanum three oxide nanoparticles (TiLa) and their decoration onto the ferrous graphene oxide sheets to produce FeGO-TiLa as efficient magnetic adsorbent. Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and vibration sample magnetometer (VSM) were used to evaluate the physical and chemical properties of the produced nanocomposites. The FeGO-TiLa was used to enhance the removal of lead ions from aqueous solution. The FeGO-TiLa nanocomposite exhibited a much higher removal efficiency (93%) for lead ions than pure TiLa nanoparticles (81%) and magnetic graphene oxide (74%). The influence of FeGO-TiLa dosage, contact time, solution pH, solution temperature, and starting quantity on the lead ions was evaluated and adjusted. The investigations demonstrated that a pH 6 with 40 mg adsorbent resulted in >91% removal of lead ions at ambient temperature after 120 min. Isotherm models were used to analyze experimental results, and Langmuir model fitted the data well as compared Freundlich model with a maximum adsorption capacity of 109.89 mg g−1. Kinetic and studies are performed the lead adsorption over FeGO-TiLa follow pseudo-second-order rate. Langmuir and Free energy suggested the lead ions uptake with FeGO-TiLa was monolayer and physical adsorption mechnaism, respectively. Finally, the FeGO-TiLa nanocompoiste can be used as an alternative adsorbent for water remediation.
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Autorzy (7)
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Mosleh Nazanin
-
Parham Joolaei Ahranjani
-
Parandi Ehsan
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Hamid Rashidi Nodeh
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Shahabaldin Rezania dr inż.
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Sathishkumar Palanivel
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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ENVIRONMENTAL RESEARCH
nr 214,
ISSN: 0013-9351 - Język:
- angielski
- Rok wydania:
- 2022
- Opis bibliograficzny:
- Nazanin M., Joolaei Ahranjani P., Ehsan P., Rashidi Nodeh H., Nawrot N., Rezania S., Palanivel S.: Titanium lanthanum three oxides decorated magnetic graphene oxide for adsorption of lead ions from aqueous media// ENVIRONMENTAL RESEARCH -Vol. 214,iss. Part 2 (2022), s.113831-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.envres.2022.113831
- Źródła finansowania:
-
- COST_FREE
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 68 razy
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