Electrochemical Removal of Humic Acids from Water Using Aluminum Anode: Influence of Chloride Ion and Current Parameters

Table 2

Experimental parameters and corresponding energy consumption for 90% HA removal: starting concentration = 50 mg·L⁻¹, volume = 0.5 L.

Number of the experiment	Electrolyte	Current density (A·m^−2)	Current intensity (A)	Voltage (V)	Time (min)	Energy (joule)
1	NaCl 0.001 M	10	0.075	6.1	30	824
2	NaCl 0.08 M	10	0.075	1.2	15	81
3	NaCl 1.5 M	10	0.075	0.8	10	36
4	NaCl 0.001 M	50	0.375	25.1	15	8470
5	NaCl 0.04 M	50	0.375	2.8	50	3150
6	NaCl 0.08 M	50	0.375	2.2	20	990
7	NaCl 1.5 M	50	0.375	1.0	10	225
8	NaCl 0.001 M	100	0.75	3.0	15	1890
9	NaCl 0.08 M	100	0.75	2.2	10	924
10	NaCl 1.5 M	100	0.75	1.1	10	462
11	NaNO3 0.08 M	10	0.075	3.5	90	1418
12	NaNO3 0.08 M	50	0.375	4.3	100	9675
13	NaNO3 0.08 M	100	0.75	5.3	10	2226