Dragon Fruit Foliage Plant-Based Coagulant for Treatment of Concentrated Latex Effluent: Comparison of Treatment with Ferric Sulfate

Table 1

The characteristics of concentrated latex effluent [1, 5–13] and regulatory discharge standard limits [14].

Parameters	Concentrated latex effluent (mg/L)	Regulatory standard discharge limit; (mg/L)
		A	B
pH	3.7–5.5	6.0–9.0	5.5–9.0
Biochemical oxygen demand (BOD)	1500–7000	20	50
Chemical oxygen demand (COD)	3500–14000	50	100
Total solid (TS)	7576	—	—
Suspended solid (SS)	200–700	50	100
Total nitrogen	200–1800	—	—
Sulfate	500–2000	—	—

All values except for pH are expressed in mg/L.