Removal of trace thorium(IV) from aqueous solutions using a pseudo-polyrotaxane
-
Huijun Liu
,
Shanxia Deng
Abstract
The adsorption of thorium(IV) was studied using a pseudo-polyrotaxane, which was obtained by the reaction of poly(propyleneglycol) (PPG) and 6-OTs-β-CD. The adsorption of thorium(IV) was examined as a function of the contact time, pH of the solution, adsorbent dose, concentration of thorium(IV) and temperature using batch adsorption experiments. The experimental results suggested that the optimum conditions were found to be at pH 3.5, contact time 40 min, 10 mg adsorbent doses, 20 mg L−1 thorium(IV) concentration and 298 K. The maximum adsorption capacity was found to be 15.366 mg g−1. The thermodynamic parameters (ΔG0<0, ΔH0<0) were calculated, the result showed that the adsorption of thorium(IV) was exothermic and spontaneous process.
Acknowledgment
This study was supported by National Natural Science Foundation of China (No. 11375084), Nature Science Foundation of Hunan (No. 2017JJ4046), Hunan Provincial Innovation Foundation for Postgraduate (No. CX2017B523).
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Measurement and uncertainty propagation of the (γ,n) reaction cross-section of 58Ni and 59Co at 15 MeV bremsstrahlung
- Effect of ionic liquid on the extraction of actinides and lanthanides with 1,2,3-triazole–modified carbamoylmethylphosphine oxide from nitric acid solutions
- Transport behavior of actinides and lanthanides across a supported liquid membrane using an unexplored monoamide, N,N′-bis(2-ethyl hexyl) α-hydroxy acetamide (BEHGA)
- Removal of trace thorium(IV) from aqueous solutions using a pseudo-polyrotaxane
- Surface decontamination in fuel manufacture plants by chelating solution of nanoparticles
- Radioiodination and biological evaluation of mesalamine as a tracer for ulcerative colitis imaging
- Determination of natural radiation levels and lifetime cancer risk in Kırıkkale, Turkey
- Chemical characterization and radiation exposure from the natural radioactivity in Romanian building materials
- Tailored silica nanospheres: an efficient adsorbent for environmental chromium remediation
Artikel in diesem Heft
- Frontmatter
- Measurement and uncertainty propagation of the (γ,n) reaction cross-section of 58Ni and 59Co at 15 MeV bremsstrahlung
- Effect of ionic liquid on the extraction of actinides and lanthanides with 1,2,3-triazole–modified carbamoylmethylphosphine oxide from nitric acid solutions
- Transport behavior of actinides and lanthanides across a supported liquid membrane using an unexplored monoamide, N,N′-bis(2-ethyl hexyl) α-hydroxy acetamide (BEHGA)
- Removal of trace thorium(IV) from aqueous solutions using a pseudo-polyrotaxane
- Surface decontamination in fuel manufacture plants by chelating solution of nanoparticles
- Radioiodination and biological evaluation of mesalamine as a tracer for ulcerative colitis imaging
- Determination of natural radiation levels and lifetime cancer risk in Kırıkkale, Turkey
- Chemical characterization and radiation exposure from the natural radioactivity in Romanian building materials
- Tailored silica nanospheres: an efficient adsorbent for environmental chromium remediation
