臭氧催化氧化处理活性蓝染料废水及催化剂的研究
Research on treatment of reactive blue M-2GE dyeing wastewater by ozone catalytic oxidation and catalysts
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摘要: 进行了臭氧化学氧化体系和臭氧催化氧化体系对活性蓝处理效果的比较。提出了常温常压下臭氧催化氧化预处理活性蓝染料废水的新方法。实验结果表明，臭氧催化氧化处理COD为13 800 mg/L的活性蓝染料废水时，最佳反应pH值为5～6，臭氧用量为80 mg/L时，反应时间约40 min，COD去除率大于80%，色度去除率大于90%，达到了预处理要求。Abstract: The O3 chemical oxidation system and the O3 catalytic oxidation system for treatment of reactive blue M-2GE at the normal temperature and pressure were studied. A new method of catalytic oxidizing high concentration dyeing wastewater by use of ozone’s strong oxidiability was put forward. The results show that when the optimal pH value is 5 to 6，the COD is 13 800 mg /L reactive blue dyeing wastewater and the amount of ozone used is 80 mg/L,and reaction time is 40 min,the COD removal rate and decolourization rate are over 80% and 90% respectively.
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