Evaluation of the impacts of seawater integration to electrocoagulation for the removal of pollutants from textile wastewater

Environmental Sciences Europe

Table 1 Characterization of raw wastewater, seawater, and wastewater parameters after electrocoagulation with varying seawater percentages at different retention times of 45 and 90 min

Parameter	Unit	Raw textile wastewater	Seawater	Permissible level* [17]	Seawater infusion pre-electrocoagulation				Post-electrocoagulation wastewater parameters at 45 min retention				Post-electrocoagulation wastewater parameters at 90 min retention
Parameter	Unit	Raw textile wastewater	Seawater	Permissible level* [17]	0% seawater	5% seawater	10% seawater	15% seawater	0% seawater	5% seawater	10% seawater	15% seawater	0% seawater	5% seawater	10% seawater	15% seawater
pH	–	8.16	8.35	6–9	8.16	8.18	8.21	8.27	9.85	10.31	10.57	11.04	10.64	11.19	11.6	11.31
Electrical conductivity	(μS/cm)	2033	55200	1200	2033	4568	6726	8892	2380	4680	6900	9080	2440	5080	7980	9690
DO	(mg/L)	0.14	7.91	≥ 1	0.14	0.76	1.14	1.82	0.31	7.24	6.52	6.48	4.77	6.14	6.69	6.12
TSS	(mg/L)	210	1	100	210	209.72	209.59	209.43	215	4	2	4	127	4	2	1
Turbidity	(NTU)	286	1.66	10	286	276.11	263.57	253.39	204	1.99	2.43	2.01	175	3.45	2.77	3.25
COD	(mg/L)	292	136	200	292	283	276	271	273	174	204	208	264	210	154	164
Color	(Pt–Co)	1552	13	150	1552	1506	1459	1412	1531	28	43	59	1495	76	59	78