Treating glufosinate-ammonium wastewater used by oxidation technology on three-dimensional electrode

Zehua Zhao, Houhu Zhang, Bin Xu, Ru Liu, Jing Zhang

Research output: Contribution to journalArticlepeer-review

Abstract

An experimental study was conducted for glufosinate-ammonium wastewater using three-dimensional electrolysis, which used a graphite electrode as the anode, stainless steel as the cathode, and activated carbon as the particle electrode. The impacts of current density, electrolysis time, initial concentration, pH, and particle electrode dosage on the degradation effect were investigated. Experimental results indicated that with an initial concentration of 300 mg·L-1, electrolysis time of 90 min, electrode spacing of 4 cm, pH of 5, current density of 31.5 mA·cm-2, and particle electrode dosage of 3.08 g·L-1, the chemical oxygen demand (COD) degradation rate of wastewater was approximately 83.48%. Three-dimensional electrolysis improved the mass transfer effect by decreasing the particle spacing, and the improvement of current efficiency also promoted the treatment effect of wastewater.

Original languageEnglish
Pages (from-to)93-97
Number of pages5
JournalChinese Journal of Environmental Engineering
Volume11
Issue number1
DOIs
StatePublished - 5 Jan 2017
Externally publishedYes

Keywords

  • Degradation efficiency
  • Glufosinate-ammonium
  • Three-dimensional electrolysis

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