How to avoid mass transfer limitations in ozonation kinetics of phenylphenol isomers?

• Autorzy: Olak-Kucharczyk M. , Ledakowicz S.

Identyfikatory

DOI

10.1515/cpe-2016-0002

• Języki publikacji: EN

Abstrakty

EN

Ozonation is a heterogeneous process of chemical absorption often controlled by a gas-liquid mass transfer rate. This paper presents the results of kinetics in a reaction between phenylphenol isomers and ozone. The degradation of phenylphenol isomers during ozonation proceeds quite fast. In order to avoid the influence of mass transfer limitati on the kinetics experiments were conducted in a homogenous liquid-liquid system. The second-order rate constantswere determined using classical and competition methods, which are especially recommended for fast reactions. The determined rate constants at pH 2 using the two different methods are almost the same. The increase of pH causes an increase of rate constants for the reaction of phenylphenol isomers with ozone.

Słowa kluczowe

EN

phenylphenol isomers; ozonation in homogenous system ozonation kinetics; competition kinetics; classical kinetics

PL

ozonowanie w jednorodnym systemem kinetyki ozonowania; kinetyka konkurencji; kinetyka

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Chemical and Process Engineering
• Rocznik: 2016
• Tom: Vol. 37, nr 1
• Strony: 5--13
• Opis fizyczny: Bibliogr. 25 poz., tab., rys.

Twórcy

autor

Olak-Kucharczyk M.

• Lodz University of Technology, Faculty of Process and Environmental Engineering, ul. Wólczańska 213, 90-924 Łódź , Poland

autor

Ledakowicz S.

• Lodz University of Technology, Faculty of Process and Environmental Engineering, ul. Wólczańska 213, 90-924 Łódź , Poland

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