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The petrochemical wastewater was collected from a site in Mahshahr city located in Khozestan province, Iran. The collected samples were stored at a temperature of 4 °C in a refrigerator. The characteristics of petrochemical wastewater are summarized in Table 1.

Table 1

Characteristics of studied petrochemical wastewater

ParametersUnitsValues
COD mg/L 950 ± 50 
BOD5 mg/L 190 ± 10 
Cl mg/L 4550 ± 50 
EC mS/cm 11.25 ± 0.1 
Color (absorbance at 400 nm) cm–1 0.411 ± 0.003 
pH – 7.10 ± 0.04 
TSS mg/L <100 
ParametersUnitsValues
COD mg/L 950 ± 50 
BOD5 mg/L 190 ± 10 
Cl mg/L 4550 ± 50 
EC mS/cm 11.25 ± 0.1 
Color (absorbance at 400 nm) cm–1 0.411 ± 0.003 
pH – 7.10 ± 0.04 
TSS mg/L <100 

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