Biodegradation and nutrients removal from greywater by an integrated fixed-film activated sludge (IFAS) in different organic loadings rates

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Table 1 Raw greywater formula

Chemical substance	Amount per liter	Commercial products	Amount per liter (mg)
Secondary effluent	20 mL	Deodorant	10
H₃BO₃	1.4 mg	Shampoo	720
C₆H₁₂O₆	28 mg	Laundry	150
Na₂HPO₄	39 mg	Sunscreen or moisturizer	10–15
Na₂SO₄	35 mg	Toothpaste	32.5
NaHCO₃	25 mg	Vegetable oil	7
Clay (unimin)	50 mg