Desorption of 2-Nitrophenol from Activated Carbon Under the Action of Biotic and Abiotic Factors

The efficiency and peculiarities of 2-nitropenol (NP) desorption from activated carbons under the action of biotic and abiotic factors have been studied. The biotic NP desorption during one month reached 25–30% of the initial saturation of sorbent. The rational duration of bioregeneration was found...

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Bibliographic Details
Published in:Journal of water chemistry and technology 2019, Vol.41 (3), p.158-163
Main Authors: Smolin, S. K., Vasenko, L. V., Klymenko, N. A., Smolin, Ya. S.
Format: Article
Language:English
Subjects:
Abiotic factors
Activated carbon
Aquatic Pollution
Desorption
Diffusion rate
Duration
Earth and Environmental Science
Environment
Industrial Chemistry/Chemical Engineering
Nitrophenol
Physical Chemistry of Water Treatment Processes
Saturation
Sorbents
Waste Water Technology
Water Industry/Water Technologies
Water Management
Water Pollution Control
Water Quality/Water Pollution
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Summary:The efficiency and peculiarities of 2-nitropenol (NP) desorption from activated carbons under the action of biotic and abiotic factors have been studied. The biotic NP desorption during one month reached 25–30% of the initial saturation of sorbent. The rational duration of bioregeneration was found to be equal to 14 days. The rate of biotic desorption is shown to be limited by the rate of internal diffusion. The intensity of self-bioregeneration of biological activated carbon is by an order of magnitude less that the NP destruction rate in the solution volume and to a greater degree corresponds to the intensity of abiotic desorption.
ISSN:1063-455X
1934-936X
DOI:10.3103/S1063455X19030044