Gadolinium sorption on multi-walled carbon nanotubes
Sorpcija gadolinijuma na višeslojnim ugljeničnim nanotubama
Authors
Maksin, DanijelaVukčević, Marija
Đurkić, Tatjana
Stanišić, Ivana
Bakić, Tamara
Radomirović, Milena
Onjia, Antonije
Article (Published version)
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Show full item recordAbstract
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.
Keywords:
gadolinium / multi-walled carbon nanotubes / sorption / gadolinijum / višeslojne ugljenične nanotube / sorpcijaSource:
Contemporary Materials, 2019, 10, 1, 35-46Publisher:
- Academy of Sciences and Arts of the Republic of Srpska
Funding / projects:
- Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-43009)
- Development and Application of Methods and Materials for Monitoring New Organic Contaminants, Toxic Compounds and Heavy Metals (RS-MESTD-Basic Research (BR or ON)-172007)
- Physics and Chemistry with Ion Beams (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45006)
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Institution/Community
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 . .