Environmental Science
8 years ago

Fenton's Reagent Turns Printing-Ink Wastewater into Clean Effluent in Minutes

Hubei nongye kexue
Optimization of Treatment Condition of Printing-Ink Wastewater by Fenton's Reagent
Fang Ya-qi

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The researchers used Fenton's reagent to clean up printing-ink wastewater. They tested different amounts of FeSO4, H2O2, pH levels, and reaction times to find the best conditions. They found that using 800 mg/L of FeSO4 and a pH of 2.5 worked best. With 800 mg/L of H2O2 and 180 minutes of reaction time, they got the lowest remaining COD in the wastewater. After treatment, the wastewater met the required standards.