Polyaromatic hydrocarbons (PAHs) sorption behavior unaffected by the presence of multi-walled carbon nanotubes (MWNTs) in a natural soil system

2013 ◽  
Vol 15 (6) ◽  
pp. 1130 ◽  
Author(s):  
Shibin Li ◽  
Todd A. Anderson ◽  
Micah J. Green ◽  
Jonathan D. Maul ◽  
Jaclyn E. Cañas-Carrell
Keyword(s):  
Carbon Nanotubes ◽  
Polyaromatic Hydrocarbons ◽  
Natural Soil ◽  
Sorption Behavior ◽  
Soil System ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Oxidation state selective sorption behavior of plutonium using N,N-dialkylamide functionalized carbon nanotubes: experimental study and DFT calculation

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 78692-78701 ◽  
Author(s):  
Nishesh Kumar Gupta ◽  
Arijit Sengupta ◽  
Anil Boda ◽  
V. C. Adya ◽  
Sk. Musharaf Ali
Keyword(s):  
Carbon Nanotubes ◽  
Experimental Study ◽  
Phase Separation ◽  
Oxidation State ◽  
Dft Calculation ◽  
Sorption Behavior ◽  
Functionalized Carbon Nanotubes ◽  
Selective Sorption ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Selective phase separation of Pu4+ and PuO22+ was performed using N,N-dialkylamide functionalized multi-walled carbon nanotubes (AFMWCNTs).

scholarly journals GADOLINIUM SORPTION ON MULTI-WALLED CARBON NANOTUBES

2019 ◽  
Vol 10 (1) ◽  
Author(s):  
Danijela Maksin ◽  
Marija Vukčević ◽  
Tatjana Đurkić ◽  
Ivana Stanišić ◽  
Tamara Bakić ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Petroleum Industry ◽  
Fractional Power ◽  
Sorption Kinetics ◽  
Medical Diagnostics ◽  
Sorption Behavior ◽  
Nuclear Facilities ◽  
Equilibrium Data ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

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.

scholarly journals Purification for Carbon Nanotubes Synthesized by Flame Fragments Deposition via Hydrogen Peroxide and Acetone

Materials ◽  
2020 ◽  
Vol 13 (10) ◽  
pp. 2342 ◽  
Author(s):  
Asmaa H. Hammadi ◽  
Ahmed M. Jasim ◽  
Firas H. Abdulrazzak ◽  
Abdulkareem M. A. Al-Sammarraie ◽  
Yacine Cherifi ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Hydrogen Peroxide ◽  
Polyaromatic Hydrocarbons ◽  
Thermo Gravimetric Analysis ◽  
Gravimetric Analysis ◽  
Liquefied Petroleum Gas ◽  
Force Microscopy ◽  
Transmission Electron ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Carbon nanotubes (CNTs) are synthesized by the flame fragment deposition (FFD) technique using Iraqi liquefied petroleum gas (LPG) as a source of carbon in a hand-made reactor at a low temperature (160 °C) without using a catalyst. Purification of the multi-walled carbon nanotubes (MWCNTs) is carried out using a two-step process consisting of sonication in 30 wt.% hydrogen peroxide (H2O2) solution at room temperature to remove amorphous impurities adhering to the walls of the CNTs and carbon nanoparticles (CNPs), followed by sonication in an acetone bath to remove the polyaromatic hydrocarbons (PAH) formed during the LPG gas burning. Comprehensive characterizations such as X-ray diffraction (XRD), atomic force microscopy (AFM), thermo-gravimetric analysis (TGA), and transmission electron microscopy (TEM) were conducted to verify the efficiency of the purification process. The results clearly demonstrated that this process is promising for the purification of the synthesized CNTs.

Multi-walled Carbon Nanotubes Penetrate into Plant Cells and Affect the Growth of Onobrychis arenaria Seedlings

Acta Naturae ◽  
2011 ◽  
Vol 3 (1) ◽  
pp. 99-106 ◽  
Author(s):  
E A Smirnova ◽  
A A Gusev ◽  
O N Zaitseva ◽  
E M Lazareva ◽  
G E Onishchenko ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Plant Cells ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Incorporation of Multi Wall Carbon Nanotubes into Glass-Surfaces via Laser-Treatment

2003 ◽  
Vol 772 ◽  
Author(s):  
T. Seeger ◽  
G. de la Fuente ◽  
W.K. Maser ◽  
A.M. Benito ◽  
A. Righi ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Continuous Wave ◽  
Silica Surface ◽  
Multi Wall Carbon Nanotubes ◽  
Composite Formation ◽  
Multi Walled Carbon Nanotubes ◽  
Glass Surfaces ◽  
Walled Carbon Nanotubes ◽  
First Time ◽  
Scanning Electron

AbstractCarbon nanotubes (CNT) are interesting candidates for the reinforcement in robust composites and for conducting fillers in polymers due to their fascinating electronic and mechanical properties. For the first time, we report the incorporation of multi walled carbon nanotubes (MWNTs) into silica-glass surfaces by means of partial surface-melting caused by a continuous wave Nd:YAG laser. MWNTs were detected being well incorporated in the silica-surface. The composites are characterized using scanning electron microscopy (SEM) and Raman-spectroscopy. A model for the composite-formation is proposed based on heatabsorption by MWNTs and a partial melting of the silica-surface.

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