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Table 2

Physicochemical characteristics of the raw sample; samples with primary treatment (sedimentation and coagulation–flocculation); and effluents from the primary treatment treated via photo-Fenton with direct sunlight and with solar concentrator

ParameterRaw sampleSedim + Coag-FlocSedim + Coag-Floc + Solar Photo-FentonSedim + Coag-Floc + Solar Conc. Photo-Fenton
COD (g/L) 24.00 ± 5.66 6.00 ± 2.83 0.40 ± 0 0.36 ± 0 
TSS (g/L) 4.72 1.68 0.32 0.43 
Settleable solids (mL/L) 7.78 65.71 120.00 120.00 
pH 8.26 ± 0.01 8.19 ± 0.09 3.18 ± 0.04 3.19 ± 0.02 
Conductivity (μS/cm) 930.5 ± 62.23 6.50 ± 0.99 3.54 ± 0.10 4.05 ± 0.35 
DOC (g/L) 1.75 0.29 0.25 0.20 
ParameterRaw sampleSedim + Coag-FlocSedim + Coag-Floc + Solar Photo-FentonSedim + Coag-Floc + Solar Conc. Photo-Fenton
COD (g/L) 24.00 ± 5.66 6.00 ± 2.83 0.40 ± 0 0.36 ± 0 
TSS (g/L) 4.72 1.68 0.32 0.43 
Settleable solids (mL/L) 7.78 65.71 120.00 120.00 
pH 8.26 ± 0.01 8.19 ± 0.09 3.18 ± 0.04 3.19 ± 0.02 
Conductivity (μS/cm) 930.5 ± 62.23 6.50 ± 0.99 3.54 ± 0.10 4.05 ± 0.35 
DOC (g/L) 1.75 0.29 0.25 0.20 
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