Gadolinium sorption on multi-walled carbon nanotubes
Sorpcija gadolinijuma na višeslojnim ugljeničnim nanotubama
Аутори
Maksin, DanijelaVukčević, Marija
Đurkić, Tatjana
Stanišić, Ivana
Bakić, Tamara
Radomirović, Milena
Onjia, Antonije
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Rare earth metals are deemed to be the materials of future due to their numerous applications including medical diagnostics, nuclear facilities, petroleum industry, etc. In this paper, multi-walled carbon nanotubes, which possess unique physicochemical properties, were evaluated as sorbents for lanthanoid gadolinium from aqueous solutions. The pH-dependent sorption behavior of Gd was studied in the pH range from 3 to 11 at room temperature (298 K). Equilibrium data over a range of initial Gd concentrations of 5−50 mg L−1 was analyzed with Langmuir, Freundlich and Redlich-Peterson models. Sorption kinetics was fitted with the pseudo-first-order, the pseudo-second-order and fractional power kinetic models.
Retke zemlje se smatraju materijalima budućnosti zahvaljujući
svojim brojnim primenama, u koje spadaju medicinska dijagnostika, nuklearna
postrojenja, naftna industrija, itd. Višeslojne ugljenične nanotube, koje imaju
jedinstvena fizičko-hemijska svojstva, u ovom radu su ispitane kao sorbenti
lantanoida gadolinijuma iz vodenih rastvora. Zavisnost sorpcije Gd od pH ispitivana je u opsegu pH 3‒11 na sobnoj temperaturi (298 K). Ravnotežna sorpcija
u opsegu početnih koncentracija 5‒50 mg L−1
analizirana je Langmirovim,
Frojndlihovim i Redlih‒Petersonovim modelima. Kinetika sorpcije analizirana
je modelima pseudoprvog reda, pseudodrugog reda i frakcionog stepena.
Кључне речи:
gadolinium / multi-walled carbon nanotubes / sorption / gadolinijum / višeslojne ugljenične nanotube / sorpcijaИзвор:
Contemporary Materials, 2019, 10, 1, 35-46Издавач:
- Academy of Sciences and Arts of the Republic of Srpska
Финансирање / пројекти:
- Нове технологије за мониторинг и заштиту животног окружења од штетних хемијских супстанци и радијационог оптерећења (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-43009)
- Развој и примена метода и материјала за мониторинг нових загађујућих и токсичних органских материја и тешких метала (RS-MESTD-Basic Research (BR or ON)-172007)
- Физика и хемија са јонским сноповима (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45006)
Колекције
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Maksin, Danijela AU - Vukčević, Marija AU - Đurkić, Tatjana AU - Stanišić, Ivana AU - Bakić, Tamara AU - Radomirović, Milena AU - Onjia, Antonije PY - 2019 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7100 AB - Rare earth metals are deemed to be the materials of future due to their numerous applications including medical diagnostics, nuclear facilities, petroleum industry, etc. In this paper, multi-walled carbon nanotubes, which possess unique physicochemical properties, were evaluated as sorbents for lanthanoid gadolinium from aqueous solutions. The pH-dependent sorption behavior of Gd was studied in the pH range from 3 to 11 at room temperature (298 K). Equilibrium data over a range of initial Gd concentrations of 5−50 mg L−1 was analyzed with Langmuir, Freundlich and Redlich-Peterson models. Sorption kinetics was fitted with the pseudo-first-order, the pseudo-second-order and fractional power kinetic models. AB - Retke zemlje se smatraju materijalima budućnosti zahvaljujući svojim brojnim primenama, u koje spadaju medicinska dijagnostika, nuklearna postrojenja, naftna industrija, itd. Višeslojne ugljenične nanotube, koje imaju jedinstvena fizičko-hemijska svojstva, u ovom radu su ispitane kao sorbenti lantanoida gadolinijuma iz vodenih rastvora. Zavisnost sorpcije Gd od pH ispitivana je u opsegu pH 3‒11 na sobnoj temperaturi (298 K). Ravnotežna sorpcija u opsegu početnih koncentracija 5‒50 mg L−1 analizirana je Langmirovim, Frojndlihovim i Redlih‒Petersonovim modelima. Kinetika sorpcije analizirana je modelima pseudoprvog reda, pseudodrugog reda i frakcionog stepena. PB - Academy of Sciences and Arts of the Republic of Srpska T2 - Contemporary Materials T1 - Gadolinium sorption on multi-walled carbon nanotubes T1 - Sorpcija gadolinijuma na višeslojnim ugljeničnim nanotubama EP - 46 IS - 1 SP - 35 VL - 10 DO - 10.7251/COMEN1901035M ER -
@article{ author = "Maksin, Danijela and Vukčević, Marija and Đurkić, Tatjana and Stanišić, Ivana and Bakić, Tamara and Radomirović, Milena and Onjia, Antonije", year = "2019", abstract = "Rare earth metals are deemed to be the materials of future due to their numerous applications including medical diagnostics, nuclear facilities, petroleum industry, etc. In this paper, multi-walled carbon nanotubes, which possess unique physicochemical properties, were evaluated as sorbents for lanthanoid gadolinium from aqueous solutions. The pH-dependent sorption behavior of Gd was studied in the pH range from 3 to 11 at room temperature (298 K). Equilibrium data over a range of initial Gd concentrations of 5−50 mg L−1 was analyzed with Langmuir, Freundlich and Redlich-Peterson models. Sorption kinetics was fitted with the pseudo-first-order, the pseudo-second-order and fractional power kinetic models., Retke zemlje se smatraju materijalima budućnosti zahvaljujući svojim brojnim primenama, u koje spadaju medicinska dijagnostika, nuklearna postrojenja, naftna industrija, itd. Višeslojne ugljenične nanotube, koje imaju jedinstvena fizičko-hemijska svojstva, u ovom radu su ispitane kao sorbenti lantanoida gadolinijuma iz vodenih rastvora. Zavisnost sorpcije Gd od pH ispitivana je u opsegu pH 3‒11 na sobnoj temperaturi (298 K). Ravnotežna sorpcija u opsegu početnih koncentracija 5‒50 mg L−1 analizirana je Langmirovim, Frojndlihovim i Redlih‒Petersonovim modelima. Kinetika sorpcije analizirana je modelima pseudoprvog reda, pseudodrugog reda i frakcionog stepena.", publisher = "Academy of Sciences and Arts of the Republic of Srpska", journal = "Contemporary Materials", title = "Gadolinium sorption on multi-walled carbon nanotubes, Sorpcija gadolinijuma na višeslojnim ugljeničnim nanotubama", pages = "46-35", number = "1", volume = "10", doi = "10.7251/COMEN1901035M" }
Maksin, D., Vukčević, M., Đurkić, T., Stanišić, I., Bakić, T., Radomirović, M.,& Onjia, A.. (2019). Gadolinium sorption on multi-walled carbon nanotubes. in Contemporary Materials Academy of Sciences and Arts of the Republic of Srpska., 10(1), 35-46. https://doi.org/10.7251/COMEN1901035M
Maksin D, Vukčević M, Đurkić T, Stanišić I, Bakić T, Radomirović M, Onjia A. Gadolinium sorption on multi-walled carbon nanotubes. in Contemporary Materials. 2019;10(1):35-46. doi:10.7251/COMEN1901035M .
Maksin, Danijela, Vukčević, Marija, Đurkić, Tatjana, Stanišić, Ivana, Bakić, Tamara, Radomirović, Milena, Onjia, Antonije, "Gadolinium sorption on multi-walled carbon nanotubes" in Contemporary Materials, 10, no. 1 (2019):35-46, https://doi.org/10.7251/COMEN1901035M . .