Transformation of natural and synthetic dyes in pulsed electric discharge in the granular steel bed

Ludmila Shiyan, Galina Lobanova, Tatyana Yurmazova, Ksenia Machekhina, Sergei Preis

Research output: Contribution to journal › Article

Abstract

Humic substances in groundwaters containing dissolved iron form stable colloids. Pulsed spark discharge in a granular steel bed was applied for abatement humic substances and synthetic indicators mimicking the target molecule fragments. A reversible red-ox cationic methylene blue, an anionic eosin Y and irreversible red-ox indicator furacilin were used to disclose the reactions and adsorption on the discharge erosion products. Partial, for about 40%, mineralization of organic molecules was observed for all substances, whereas rapid red-ox reactions also took place between organic molecules and dissolved ferrous iron. Humic substances adsorbed at the spark erosion products with their anionic groups.

Original language	English
Pages (from-to)	90-98
Number of pages	9
Journal	Journal of Electrostatics
Volume	96
DOIs	https://doi.org/10.1016/j.elstat.2018.10.003
Publication status	Published - 1 Dec 2018

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Keywords

Erosion
Humic substances
Red-ox reactions
Spark discharge

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Biotechnology
Condensed Matter Physics
Surfaces, Coatings and Films
Electrical and Electronic Engineering

Cite this

Shiyan, L., Lobanova, G., Yurmazova, T., Machekhina, K., & Preis, S. (2018). Transformation of natural and synthetic dyes in pulsed electric discharge in the granular steel bed. Journal of Electrostatics, 96, 90-98. https://doi.org/10.1016/j.elstat.2018.10.003

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AU - Yurmazova, Tatyana

AU - Machekhina, Ksenia

AU - Preis, Sergei

PY - 2018/12/1

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AB - Humic substances in groundwaters containing dissolved iron form stable colloids. Pulsed spark discharge in a granular steel bed was applied for abatement humic substances and synthetic indicators mimicking the target molecule fragments. A reversible red-ox cationic methylene blue, an anionic eosin Y and irreversible red-ox indicator furacilin were used to disclose the reactions and adsorption on the discharge erosion products. Partial, for about 40%, mineralization of organic molecules was observed for all substances, whereas rapid red-ox reactions also took place between organic molecules and dissolved ferrous iron. Humic substances adsorbed at the spark erosion products with their anionic groups.

KW - Erosion

KW - Humic substances

KW - Red-ox reactions

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Access to Document

10.1016/j.elstat.2018.10.003