An experimental study on optimization of VOCs simulated gas digestion by ozone oxidation using response surface method
To mitigate odorous volatile organic compounds(VOCs)emitted from tail gas during wastewater treatment,ozone catalytic oxidation method was adopted.Taking xylene as the target pollutant and its degradation rate as the indicator,the influence of ozone concentration,packing height and inlet flow rate on digestion rate of xylene was discussed;meanwhile,the process condition was optimized through response surface experiment.The results showed that,the optimal process condition for xylene digestion by ozone catalytic oxidation was as follows:the ozone concentration(volume fraction)was 6.54％,the packing height was 15 cm,the inlet flow rate was 2 L/min.Under the above condition,the degradation rate of xylene reached 55％.
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