Adsorption of anionic dyes from aqueous solutions onto «polyaniline – plant wastes» composites
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Дата
2015
Науковий керівник
Укладач
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Анотація
Huge amount of anionic dyes in contaminated water are generated as the result of substantially
usage of dyes in various processes of such industries as dyestuff, textile, paper, printing, cosmetic, etc.
The presence of toxic anionic dyes in wastewater is one of a major environmental concern nowadays.
These dyes are carcinogens and toxic products and they may degrade to produce toxic compounds.
Adsorption method employing activated carbon was reported to be the most widely used for anionic dyes
removal in wastewater. But, activated carbon was found to be uneconomical due to its cost and
regeneration difficulties. To minimize processing costs, several recent investigations have focused on the
use of low-cost composites based on plant wastes, especially on agricultural plant wastes, which are not
always used efficiently and often incinerated or taken on the landfilled. For high adsorption capacity these
plant wastes are treated by different modifiers. Particular attention is given to modifying by polyaniline
(PAN). Analysis of published articles showed a little works directed to producing composites based on
agricultural plant wastes coated by polyaniline for removing anionic dyes from wastewater.
Опис
Ключові слова
polyaniline, anionic, wastewater
Бібліографічний опис
II Ukrainian-Polish scientific conference „Membrane and Sorption processes and technologies‖ (Kyiv, December 2-4, 2015). – Kyiv: NaUKMA, 2015.