Mn-Ce双金属/活性炭催化臭氧化处理亚甲基蓝废水
董静文,邢波,杨郭,贾萌,刘兴勇
Treatment of methylene blue wastewater by catalytic ozonation using Mn-Ce bimetal/activated carbon as catalyst
Jingwen Dong,Bo Xing,Guo Yang,Meng Jia,Xingyong Liu
表2
不同催化剂的准一级动力学表观速率常数
催化剂
k
app
/min
-1
R
2
O
3
利用率/%
a
单独O
3
0.092
0.997
32.2
AC
0.112
0.998
35.3
6%Mn/AC
0.130
0.998
37.8
6%Ce/AC
0.143
0.998
40.2
4%Mn-2%Ce/AC
0.159
0.997
41.2
2%Mn-4%Ce/AC
0.205
0.994
45.2
3%Mn-3%Ce/AC
0.178
0.996
43.2