Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23054
Title: A novel electro-Fenton process for water treatment : reaction-controlled pH adjustment and performance assessment
Authors: Liu, H
Wang, C
Li, X
Xuan, X
Jiang, C
Cui, H
Issue Date: 2007
Publisher: American Chemical Society
Source: Environmental science & technology, 2007, v. 41, no. 8, p. 2937-2942 How to cite?
Journal: Environmental science & technology 
Abstract: A novel electro-Fenton (E-Fenton) process was developed, in which the desired pH for an effective E-Fenton reaction and for a neutral treated media could be obtained by utilizing the reaction-released H + and DH - in stead of chemical addition. In the laboratory-scale process using three chambers, the substrate solution pH > 4.0 was designed to be adjusted in situ through three sequencing steps: (I) pH reduction, (II) pH keeping for the effective E-Fenton reaction, and (III) pH recovery to neutral while the E-Fenton reaction continued. Experimental results demonstrated that such three-step pH adjustment was successfully achieved in this novel E-Fenton process, and that the pH adjustment was controlled by the E-Fenton reaction process. The performance of the novel process was assessed in terms of dimethyl phthalate (DMP) degradation in aqueous solution. The results revealed that the novel process was effective to reduce the DMP concentration and the total organic carbon (TOC) at steps II and III. Also, through experiments, the initial DMP solution pH > 4.0 was selected to be reduced to 3.5 in Step I of the process. This pH adjustment not only allowed the E-Fenton reaction to occur in its favorable pH range, but also benefited any potential subsequent biological treatment process or a final discharge. Moreover, the iron species could be recycled in the process.
URI: http://hdl.handle.net/10397/23054
ISSN: 0013-936X
EISSN: 1520-5851
DOI: 10.1021/es0622195
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

99
Last Week
0
Last month
1
Citations as of Aug 12, 2017

WEB OF SCIENCETM
Citations

87
Last Week
0
Last month
0
Citations as of Aug 12, 2017

Page view(s)

38
Last Week
2
Last month
Checked on Aug 13, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.