Treatment Technology of Microbial Landscape Aquatic Plants for Water Pollution

Table 4

Data table of changes in COD content of sewage treated by plants.

Day	EC group	CA group	PC group	SVV group	Control group
0	196	196	196	196	196
2	189	194	191	194	200
4	181	188	185	188	195
6	172	183	179	181	190
8	157	179	164	176	188
10	144	174	162	170	186
12	140	170	156	166	185
14	137	168	151	163	183