International Journal of Photoenergy / 2018 / Article / Tab 1

Research Article

Pretreatment of Real Wastewater from the Chocolate Manufacturing Industry through an Integrated Process of Electrocoagulation and Sand Filtration

Table 1

Initial and final physicochemical parameters from treated wastewater.

Raw wastewaterTreated wastewater% Removal in the integrated process
ParameterValueUnitsParameterValueUnits

COD3608 ± 250mg/LCOD2200 ± 11mg/L39.02 ± 2.2
Color5952 ± 76Pt-CoColor101 ± 17Pt-Co98.2 ± 0.26
Turbidity1648 ± 49mg/LTurbidity64 ± 5mg/L96.1 ± 0.2
pH7.4 ± 0.06pH9.11 ± 0.03
Conductivity750 ± 28μS/cmConductivity520 ± 9μS/cm
Energy consumption0.32kWh/m3

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