Wastewater Treatment Using Wood Ash and Cement as Chemical Coagulant

Table 1

Parameters of sample wastewater before the addition of coagulant.

Test	Measurement	Unit
Turbidity	145	NTU
pH	7.91	pH meter
TDS	1161.5	mg/l
Conductivity	580	μs/cm
Salt	151.8	mg/l
Resistivity	0.32	kῼ
Dissolved oxygen	2.17	mg/l
Absorbance	0.863	—
Transitivity	13.7	—
Total solid	6.4	mg/l