臭氧催化氧化去除水中MTBE的连续流试验  

Continuous Flow Test of Decomposition of MTBE by Catalytic Ozonation

作　　者：王群[1,2] 马军[1,2] 翟学东[1] 王静超[3] 杨一[1] 韩雅红[2] 韩帮军[1,2] 

机构地区：[1]哈尔滨工业大学市政环境工程学院,黑龙江哈尔滨150090 [2]城市水资源开发利用<北方>国家工程研究中心,黑龙江哈尔滨150090 [3]天津自来水集团有限公司,天津300040

出　　处：《中国给水排水》2010年第1期63-65,69,共4页China Water & Wastewater

基　　金：国家自然科学基金资助项目(50578051)

摘　　要：通过连续流试验,考察了流速、臭氧初始浓度、臭氧分解以及甲基叔丁基醚(MTBE)在催化剂上的吸附对高硅沸石、氧化镁、活性氧化铝催化臭氧氧化分解水中MTBE的影响。结果表明,高硅沸石对臭氧和MTBE有很强的吸附能力,经高硅沸石吸附后,出水臭氧浓度<0.2 mg/L,而氧化镁、活性氧化铝对MTBE几乎没有吸附能力;高硅沸石与氧化镁都具有一定的催化臭氧氧化分解MTBE的能力,且高硅沸石和氧化镁催化臭氧氧化分解MTBE的效果均随臭氧初始浓度的增加而提高,随流速的增大而降低。Continuous flow test was carried out to investigate the influence of flow velocity, initial concentration of ozone, decomposition rate of ozone and adsorption property of methyl tert-butyl ether （MTBE） on the removal efficiency of MTBE by catalytic ozonation with high-silica zeolite, magnesium oxide and activated alumina. The results indicate that the high-silica zeolite has high adsorption capacity of ozone and MTBE, and the concentration of ozone falls below 0.2 mg/L after the adsorption. However, the magnesium oxide and activated alumina have little adsorption capacity of MTBE. High-silica zeolite and magnesium oxide both have a certain capacity of catalytic ozonation to decompose the MTBE, and the decomposition rate of MTBE by high-silica zeolite and magnesium oxide increases with the rise of initial ozone concentration, and decreases with the rise of flow velocity.

关 键 词：臭氧催化氧化 甲基叔丁基醚 高硅沸石 氧化镁 活性氧化铝 

分 类 号：TU991.2[建筑科学—市政工程]