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Electricity production during the treatment of real electroplating wastewater containing Cr6+ using microbial fuel cell

Paper ID Volume ID Publish Year Pages File Format Full-Text
35749 45105 2008 7 PDF Available
Title
Electricity production during the treatment of real electroplating wastewater containing Cr6+ using microbial fuel cell
Abstract

Microbial fuel cell (MFC) was employed to dispose Cr6+ in real electroplating wastewater and generate electricity simultaneously. The experiments were carried out in a dual-chamber MFC. Under the condition of pH 2 and using graphite paper as the cathode electrode chromium removal and power density were highest. Moreover, increasing initial concentration of Cr6+ could enhance the power density. The results indicated that when treating a real electroplating wastewater containing Cr6+ with the initial concentration of 204 ppm in the MFC, the maximum power density of 1600 mW/m2 was generated at a columbic efficiency of 12%. In addition, 99.5% Cr6+ and 66.2% total Cr were removed through reduction of Cr2O72− to Cr2O3 precipitating on the surface of cathode electrode. MFC was proved to be a promising technology for removing Cr6+ from electroplating wastewater.

Keywords
Microbial fuel cell (MFC); Electroplating wastewater; Chromium; Electricity generation; XPS; SEM
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Electricity production during the treatment of real electroplating wastewater containing Cr6+ using microbial fuel cell
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 43, Issue 12, December 2008, Pages 1352–1358
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us