Oxidative Degradation of 2-Chlorophenol by Persulfate

• Autorzy: Kuśmierek K. , Świątkowski A. , Dąbek L.

Identyfikatory

DOI

10.12911/22998993/2944

• Języki publikacji: EN

Abstrakty

EN

The degradation of 2-chlorophenol (2-CP) by persulfate was investigated. The kinetics of persulfate oxidation of 2-chlorophenol in aqueous solutions at various pH, oxidant concentration, temperature, Fe²⁺ > and Cu²⁺ ions content was studied. Maximum of 2-CP degradation occurred at pH 8. The oxidation rate of 2-CP increased with increasing the persulfate molar excess. The degradation process was significantly influenced by temperature – the higher temperature results in a faster degradation of 2-CP. The activation of persulfate by ferrous and copper ions was also studied. Results showed that persulfate is activated more effectively by iron(II) than copper(II) ions. A comparison of different persulfate activation methods revealed that heat-activation was the most effective. Under optimal conditions, in the presence of ferrous ions at 50 °C, complete degradation of 2-chlorophenol was achieved after about 30 minutes.

Słowa kluczowe

EN

chlorophenol; oxidation; persulfate

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2015
• Tom: Vol. 16, nr 3
• Strony: 115--123
• Opis fizyczny: Bibliogr. 31 poz., rys.

Twórcy

autor

Kuśmierek K.

• Institute of Chemistry, Military University of Technology, Kaliskiego 2, 00-908 Warsaw

autor

Świątkowski A.

• Institute of Chemistry, Military University of Technology, Kaliskiego 2, 00-908 Warsaw

autor

Dąbek L.

• Faculty of Environmental Engineering, Geomatics and Power Engineering, Kielce University of Technology, al. Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland

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