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Table 1 The physico-chemical quality indicators measured before and after EC treatment process (electrolysis time = 30 min and pH = 7, max voltage = 15 V) from the three textile effluents

From: Investigation of selected physico-chemical quality parameters in industrial wastewater by electrocoagulation process, Ethiopia

Sites Bahir Dar (BD) Debre Brihan (DB) Kombolcha (KO)
Water quality parameters Before EC After EC RE (%) Before EC After EC RE (%) Before EC After EC RE (%)
Nitrate (mg/L) 9.24 1.50 84 0.85 0.06 93 2.00 0.97 52
Nitrite (mg/L) 0.624 0.038 94 0.030 0.002 93 0.178 0.08 55
Phosphate HR (mg/L) 1.8 0.9 50 18.0 9.4 48 14.0 6.4 54
Phosphate LR (mg/L) 0.06 0.03 50 3.76 2.00 47 1.25 0.04 97
Ammonia (mg/L) 8.00 1.00 88 20.00 2.60 87 0.63 0.02 61
Total nitrogen (TN) (mg/L) 17.86 2.54 86 20.88 2.66 87 2.81 1.07 62
PH 5.10 7.6 5.7 7.5 6.5 8
Conductivity(\(\mu\)s/cm) 557 113 79 1257 140 88.86 631 102 83.84
Temperature (ºC) 30.38 22.8 23.6 22.6 27.6 22.8
DO (mg/L) 3.74 4.52 3.39 4.83 4.49 4.81  
Turbidity (NTU) 0.60 0.05 92 42.60 0.43 99 6.10 0.02 99
BOD (mg/L) 4.45 1.54 65 4.69 1.59 66 4.19 1.65 61
  1. Whereas RE removal efficiency, EC electrocoagulation