摘要：The process sodium chlorite-ultraviolet/ozone (NaClO2/UV-O3) is utilized to deal with simulated wastewater of Acid Turquoise Blue A (ATBA). It is a brand-new mode which combined the advantages of both chlorine dioxide (ClO2) and O3. It achieves strong degradation effect in alkaline conditions. Commonly, it takes 15 minutes when the removal rate goes higher than 95%, but it only required about 3 minutes under the best operating conditions (pH=10, 150 mg/L dosing quantity of NaClO2, 18 W UV intensity, 36 L/h O3 flux, room temperature) when simulated wastewater of ATBA (25 mg/L, 1L) was treated. The degradation reaction was consistent with first-order kinetics model, and instant dynamics equation could be established to determine the values of its apparent rate constant kobs. The pH had maximal influence on the kinetics model that had been discussed under two conditions of pH >5.8 and pH<5.8. When pH=10, the kobs was maximum which was 1.6525. The synergistic cofactor E was obviously about 4.
关键词：NaClO2-UV/O3;Acid Turquoise Blue A;dynamics;synergistic effect
