CARBON NANOTUBES WATER PURIFICATION (REVIEW)

Authors

  • І. М. Іваненко National Technical Universityof Ukraine “KPI”, Kiev, Ukraine, Ukraine

DOI:

https://doi.org/10.20535/2218-93001522014137604

Keywords:

carbon nanotube, catalytic properties, adsorption, membrane

Abstract

Article describes latest published in literature data on the catalytic and adsorption properties of singlwalled and multiwalled carbon nanotubes and their oxidized and modified forms. Results describes showed high catalytic activity of nanotubes in oxidation of phenol, p-toluidine, aniline; decomposition of oxalic acid with ozone; hydrogenation and hydroxylation of aromatic hydrocarbons and others. Data presents, confirming that adsorption takes place on the outer and on the inner surfaces of singlwalled and multiwalled carbon nanotubes. Shows  adsorption of natural organic matter (river, lake, peat, soil humic and fulvic acids); direct Congo red, reactive green and golden yellow dyes by multiwalled carbon nanotubes. Proved, functionalized carbon nanotubes are effective at removing nitrophenol and toxic hexavalent chromium from aqueous solutions, and modified FeOx nanotubes established well in absorption of arsenic compounds from wastewater of textile industry. Critically considered the ability of original and modified in various ways carbon nanotubes to influence on membranes rate fouling for persistent and long-term operation of drinking water filters. Shown, using of carbon nanotubes for immobilization on traditional commercial membranes surface to improve efficiency of their work for preparation of drinking water, membrane purification of highly concentrated wastewater from pharmaceutical production from volatile organic compounds.

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Published

2014-11-01

Issue

Vol. 15 No. 2 (2014)

Section

Статті

License

Copyright (c) 2020 І. М. Іваненко

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