Publication detail

Effects of Diaphragm Discharge in Water Solutions Containing Humic Substances

HALAMOVÁ, I. KOZÁKOVÁ, Z. KRČMA, F.

Original Title

Effects of Diaphragm Discharge in Water Solutions Containing Humic Substances

English Title

Effects of Diaphragm Discharge in Water Solutions Containing Humic Substances

Type

abstract

Language

en

Original Abstract

Preliminary results of research focused on the applications of DC diaphragm discharge in water solutions containing humic substances are presented in this paper. Diaphragm discharge investigated by this work was created in the reactor using constant DC high voltage up to 2 kV that gave the total input power from 100 to 200 W. Presented work investigated decomposition of humic substances by the electric discharge in the dependence of discharge conditions (electrode polarity) as well as solution properties (electrolyte kind, pH). Especially substantial effect of pH on humic acid decomposition has been observed when acidic conditions stimulated the degradation process. Absorption spectroscopy in UV-VIS region together with fluorescence spectroscopy has been used for the detection of changes in humic solutions. Index of humification was calculated from obtained fluorescence spectra and a significant decrease of aromatic components in the humic mixture was determined during the discharge treatment.

English abstract

Preliminary results of research focused on the applications of DC diaphragm discharge in water solutions containing humic substances are presented in this paper. Diaphragm discharge investigated by this work was created in the reactor using constant DC high voltage up to 2 kV that gave the total input power from 100 to 200 W. Presented work investigated decomposition of humic substances by the electric discharge in the dependence of discharge conditions (electrode polarity) as well as solution properties (electrolyte kind, pH). Especially substantial effect of pH on humic acid decomposition has been observed when acidic conditions stimulated the degradation process. Absorption spectroscopy in UV-VIS region together with fluorescence spectroscopy has been used for the detection of changes in humic solutions. Index of humification was calculated from obtained fluorescence spectra and a significant decrease of aromatic components in the humic mixture was determined during the discharge treatment.

Keywords

diaphragm discharge, humic acids plasma treatment

RIV year

2008

Released

30.06.2008

Publisher

University Sofia

Location

Sofia

Pages from

43

Pages to

43

Pages count

1

BibTex


@misc{BUT31665,
  author="Ivana {Totová} and Zdenka {Kozáková} and František {Krčma}",
  title="Effects of Diaphragm Discharge in Water Solutions Containing Humic Substances",
  annote="Preliminary results of research focused on the applications of DC diaphragm discharge in water solutions containing humic substances are presented in this paper. Diaphragm discharge investigated by this work was created in the reactor using constant DC high voltage up to 2 kV that gave the total input power from 100 to 200 W. Presented work investigated decomposition of humic substances by the electric discharge in the dependence of discharge conditions (electrode polarity) as well as solution properties (electrolyte kind, pH). Especially substantial effect of pH on humic acid decomposition has been observed when acidic conditions stimulated the degradation process. Absorption spectroscopy in UV-VIS region together with fluorescence spectroscopy has been used for the detection of changes in humic solutions. Index of humification was calculated from obtained fluorescence spectra and a significant decrease of aromatic components in the humic mixture was determined during the discharge treatment.",
  address="University Sofia",
  booktitle="Proceedings of 3rd International Workshop and Summer School on Plasma Physics",
  chapter="31665",
  howpublished="print",
  institution="University Sofia",
  year="2008",
  month="june",
  pages="43--43",
  publisher="University Sofia",
  type="abstract"
}