Zeolite Application in Wastewater Treatment

Table 2

Common low-cost waste materials used in zeolite synthesis.

Waste material	Oxide provided		Zeolite	References
	SiO2	Al2O3
Kaolin/metakaolin	✔	✔	A, Y, 13X, ZSM-5	[31, 121, 124–131]
Glass powder	✔		A, sodalite, LOS-type zeolite, MEL-type zeolite, X, Na-P1, analcime	[132–136]
Aluminum waste		✔	13X, analcime, sodalite, A	[137, 138]
Coal fly ash	✔	✔	X, A, sodalite, 4A, Na-P1, phillipsite, thomsonite, Y	[139–145]
Fumed silica	✔		A, Na-P	[146, 147]
Red mud		✔	FAU-type zeolite, GIS-type zeolite, magnetic 4A, A, X, ZK-5	[56, 148, 149]
Oil shale ash	✔	✔	X, A	[118, 150]
Bauxite residue		✔	X, A, P	[151, 152, 172]
Electrolytic manganese residue	✔	✔	P, A, chabazite	[153]
Diatomite	✔	✔	X, Y	[85, 154, 155]
Rice husk ash	✔		A, ZSM-5, X	[15, 156–158, 173]