冷轧反渗透浓水臭氧氧化试验研究  

Experimental Research on Ozonation of RO Concentrated Water after Cold-Rolling Wastewater Treatment

作　　者：李恩超[1] 施杰[2] 

机构地区：[1]宝山钢铁股份有限公司研究院,上海201900 [2]宝钢工程技术集团有限公司,上海201900

出　　处：《净水技术》2015年第3期55-58,共4页Water Purification Technology

摘　　要：冷轧反渗透浓水中含有大量难降解有机物,属于高含盐量、高COD的特种废水,如将其直接排放会造成严重的环境污染。该文在臭氧氧化和臭氧-紫外催化氧化两种条件下对冷轧反渗透浓水中的COD进行降解试验。结果表明臭氧-紫外催化氧化在降解浓水的COD的试验中存在明显的协同促进作用。当臭氧量为20.43 mg/L·min,通入60 min时,臭氧单独作用下浓水COD去除率为35%;有臭氧-紫外协同条件下,COD去除率为50%。RO concentrated water after cold-rolling wastewater treatment is high salinity and high COD industry wastewater.Degradation experiments of COD in RO concentrated water after cold-rolling wastewater treatment under the condition of ozone alone andO3 / UV were studied. The results show that O3 / UV exist obvious synergistic effect,and the degradation rate of COD increases with theincrease of ozone concentration,UV intensity and reaction time. The removal rate of COD is 35% under the condition and that is99. 5% under the condition of O3 / UV,when ozone dosage is 20. 43 mg/ L＆#183;min and retention time is 60 min.

关 键 词：冷轧废水 反渗透浓水 臭氧氧化 臭氧紫外催化氧化 

分 类 号：X703[环境科学与工程—环境工程]