Phosphate uptake and translocation in a tropical Canna-based constructed wetland

Ecological Processes

Table 1 Concentration of total and available phosphate and its removal rate in Canna-based constructed wetland

Day	Total phosphate (TP) (mg/l)		Removal rate (mg/m² day)	Available phosphate (AP) (mg/l)		Removal rate (mg/m² day)
Day	Influent	Effluent	Removal rate (mg/m² day)	Influent	Effluent	Removal rate (mg/m² day)
1	8.43	0.92	252.62	2.12	0.92	76.16
2	5.28	1.19	158.04	0.97	0.28	34.89
3	4.67	0.66	139.90	2.02	0.28	72.74
4	4.56	0.82	136.55	2.12	0.30	76.34
5	6.64	0.41	199.08	2.03	0.31	73.10
6	6.33	0.99	189.60	2.00	0.46	71.97
7	6.17	1.01	184.80	3.26	0.36	117.43
8	6.66	1.24	199.43	4.09	0.77	147.23
9	6.30	1.32	188.60	4.51	0.95	162.32
10	7.50	1.83	224.45	4.64	1.37	166.88
11	6.00	2.52	179.24	4.15	1.72	149.10
12	4.81	2.48	143.55	2.14	1.03	76.84
13	6.21	3.27	185.32	2.26	1.08	81.16
14	4.31	1.99	128.70	2.23	1.27	80.02
15	7.07	2.12	211.46	1.75	1.05	62.78
16	5.84	1.59	174.72	1.76	0.97	63.16
17	7.40	2.62	221.21	1.72	0.74	61.79
18	5.84	2.49	174.45	1.20	0.73	43.04
19	5.21	1.39	155.88	2.00	1.00	71.81
20	6.89	2.12	206.06	2.04	1.12	73.21
21	4.51	2.09	134.67	2.10	1.10	75.38
22	5.32	2.72	158.78	2.01	1.15	72.12
23	4.68	1.42	139.97	2.21	1.22	79.31
24	3.91	1.88	116.74	1.71	1.04	61.34
25	3.12	1.05	93.28	1.47	0.83	52.75
26	5.01	2.23	149.63	2.09	1.20	74.99
27	4.11	1.70	122.79	2.05	1.18	73.55
28	3.87	1.80	115.56	2.01	1.15	72.12
29	5.33	2.56	159.13	3.59	1.80	128.89
Mean	5.59	1.74	167.04	2.35	0.94	84.57
SD (±)	1.26	0.71	37.65	0.95	0.40	34.19