The use of Carica papaya seeds as bio coagulant for laundry wastewater treatment

Journal of Engineering and Applied Science

Table 2 Laundry wastewater analysis parameters at before and after treatments

Parameter	This study		Previous study [11]		Quality standards
Parameter	BT	AT	BT	AT	Quality standards
pH	7.63	7.19	8.1	6.5	6–9^a
BOD (mg/L)	33	27	-	-	30^a
COD (mg/L)	145	88	1160	534	100^a
TSS (mg/L)	64	54	117.5	78.75	30^a
Phosphate (mg/L)	19	6	14.29	28.55	6^b