Application of Statistical Experimental Strategies to H2O2 Production on An/Graphite in Alkaline Solution

Yat June Li, Chia Chin Chang, Ten Chin Wen

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


By means of fractional factorial design and response surface methodology, the effect of such galvanostatic electrolysis conditions as pH, current density (CD), temperature, and MgSO4 concentration on H2O2 current efficiencies (CE) for Au/graphite electrodes has been systematically investigated. Fractional factorial analysis indicates that the effects of pH, current density, and temperature are key variables influencing the current efficiency on Au/graphite. Through response surface methodology, an empirical equation for H2O2 current efficiencies is fitted and plotted as contour diagrams in order to facilitate examination of experimental results. The contour plots show that the maximum H2O2 current efficiency can be obtained at a current density of 5 A m-2 and a temperature of 8 °C in 1 M KOH.

Original languageEnglish
Pages (from-to)4767-4771
Number of pages5
JournalIndustrial and Engineering Chemistry Research
Issue number12
Publication statusPublished - 1996 Dec

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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