Fe（Ⅲ）/O3体系对草酸的催化氧化

被引：17

作者：

竹湘锋

徐新华

王天聪

机构：

[1] 浙江大学环境工程系

来源：

浙江大学学报(理学版) | 2004年 / 03期

关键词：

Fe(Ⅲ)/O3体系; 草酸; 催化氧化;

D O I：

暂无

中图分类号：

X703 [废水的处理与利用];

学科分类号：

摘要：

以Fe( )为催化剂的催化臭氧氧化降解草酸结果表明:与单独臭氧氧化相比,氧化速度提高2个数量级,反应速度常数为2.64M-1·s-1;反应pH值对降解效果有决定性的影响,当pH=3.0,反应30min,草酸的去除率超过50%,而当pH=5.5时,草酸的降解效果比较差;催化剂Fe( )的投加量对草酸的去除效果亦有很大影响,太高或太低都不利于草酸的降解;草酸的Fe( )催化臭氧反应遵循拟一级反应.

引用

页码：322 / 325

页数：4

共 8 条

[1] An investigation of catalytic ozonation for the oxidation of halocarbons in drinking water preparation, colin cooper and robbie burch. COLIN C,ROBBLE B. Water Research . 1999
[2] Determination of ozone in water by the indigo method. BADER H,HOIGNE J. Water Research . 1981
[3] Removal of wastewater by ozonation. HEWES C G,DAVINSON R. Water AICHE Symp Ser . 1972
[4] The role of hydroxyl radical reactions in ozonation process in aqueous solutions. HOIGNE J,BADER H. Water Research . 1976
[5] The use of manganese dioxide as a heterogeneous catalyst for oxalic acid ozonation in aqueous solution. ANDREOZZI R,CAPRIO V,MAROTTA R,et al. Applied Catalysis . 1996
[6] Decomposition of ozone in water in the presence of organic solutes acting as promoters and inhibitors of radical chain reactions. JOHANNES S,HOIGNE J. Environmental Science and Technology . 1995
[7] Oxidation of aqueous phenol by ozone and peroxides. WU J N,RUDY K,SPARK J. Advances in Environment Research . 2000
[8] Catalytic and photocatalytic ozonation of phenol on MnO2 supported catalysts. JORGE V,PATRICIO R,GINA P. Catalysis Today . 2002

← 1 →