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This paper evaluated the COD, TOC removal and molecular frontier energies in the ozonation of naphthalene sulfonic acids (NSAs). It was found that both COD and TOC degradation of the 11 compounds followed the pseudo-first-order kinetic and the reaction rate constants with ozone varied widely. A linear relationship between logarithm of global COD degradation rate constant and the energy of the highest...
Ozonation of 11 naphthalene sulfonic acids (NSA) in the aqueous solution was studied by bubbling at 31 o C at an ozone dose rate of 5.56mgmin -1 l -1 . COD, TOC and BOD 5 of these compounds were tested. It was found that COD and TOC can be removed effectively by ozonation as expected. More than 40% COD of compounds No. 1 (2-amino-1-NSA), No. 5 (1-hydroxy-7-amino-5-NSA),...
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