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Removal of formic acid from wastewater using three-phase three-dimensional electrode reactor

Xiong, Y ; He, C ; An, TC ; Zhu, ZH and Karlsson, Hans LU (2003) In Water, Air and Soil Pollution 144(1). p.67-79
Abstract
A new electrochemical reactor, three-phase three-dimensional electrode reactor, was designed and used to investigate the removal of formic acid from simulated wastewater. The experimental results were assessed in term of Chemical Oxygen Demand (COD) removal efficiency. The results showed that the three-phase three-dimensional electrodes could effectively remove formic acid. Its COD removal efficiency was much higher than those of two-dimensional electrodes and common three-dimensional electrodes, respectively. The COD removal efficiency of the three-phase three-dimensional electrodes using air as a sparge gas increased 13.5% relative to that using nitrogen as a sparge gas. The observation indicated that the sparged air in the three-phase... (More)
A new electrochemical reactor, three-phase three-dimensional electrode reactor, was designed and used to investigate the removal of formic acid from simulated wastewater. The experimental results were assessed in term of Chemical Oxygen Demand (COD) removal efficiency. The results showed that the three-phase three-dimensional electrodes could effectively remove formic acid. Its COD removal efficiency was much higher than those of two-dimensional electrodes and common three-dimensional electrodes, respectively. The COD removal efficiency of the three-phase three-dimensional electrodes using air as a sparge gas increased 13.5% relative to that using nitrogen as a sparge gas. The observation indicated that the sparged air in the three-phase three-dimensional electrodes not only participated in some physical processes but also played an important role in electrochemical reactions to assist COD removal. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
wastewater, three-dimensional electrodes, three-phase, formic acid, COD removal, electrochemical method
in
Water, Air and Soil Pollution
volume
144
issue
1
pages
67 - 79
publisher
Springer
external identifiers
  • wos:000181767100005
  • scopus:0037358249
ISSN
1573-2932
DOI
10.1023/A:1022931618033
language
English
LU publication?
yes
id
9208fda2-a932-44c1-99ac-40c729bea441 (old id 315294)
date added to LUP
2016-04-01 12:12:03
date last changed
2023-09-01 23:01:57
@article{9208fda2-a932-44c1-99ac-40c729bea441,
  abstract     = {{A new electrochemical reactor, three-phase three-dimensional electrode reactor, was designed and used to investigate the removal of formic acid from simulated wastewater. The experimental results were assessed in term of Chemical Oxygen Demand (COD) removal efficiency. The results showed that the three-phase three-dimensional electrodes could effectively remove formic acid. Its COD removal efficiency was much higher than those of two-dimensional electrodes and common three-dimensional electrodes, respectively. The COD removal efficiency of the three-phase three-dimensional electrodes using air as a sparge gas increased 13.5% relative to that using nitrogen as a sparge gas. The observation indicated that the sparged air in the three-phase three-dimensional electrodes not only participated in some physical processes but also played an important role in electrochemical reactions to assist COD removal.}},
  author       = {{Xiong, Y and He, C and An, TC and Zhu, ZH and Karlsson, Hans}},
  issn         = {{1573-2932}},
  keywords     = {{wastewater; three-dimensional electrodes; three-phase; formic acid; COD removal; electrochemical method}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{67--79}},
  publisher    = {{Springer}},
  series       = {{Water, Air and Soil Pollution}},
  title        = {{Removal of formic acid from wastewater using three-phase three-dimensional electrode reactor}},
  url          = {{http://dx.doi.org/10.1023/A:1022931618033}},
  doi          = {{10.1023/A:1022931618033}},
  volume       = {{144}},
  year         = {{2003}},
}