Zeolite Application in Wastewater Treatment

Table 8

Zeolites used in organic compound removal, along with experimental conditions and adsorption and kinetic models.

Organic compound	Zeolite	(°C)	Contact time	Concentration	S/L ratio (g·L^-1)	pH	Sorption capacity (mg·g^-1)	Adsorption isotherm	Adsorption kinetics	References
Toluene; Styrene; Indene; Hexadecane; Octadecane; Dioctyl phthalate	CTAB-zeolite Y	—	8 h	43 ppm	1	—	30.9	Langmuir	—	[109]
Triclosan	FAU-type	25	24 h	0.3-17.4	30	—	377.6	Langmuir	—	[107]
	BEA-type						119.0
	MOR-type						153.2
Phenol	HDTMA-clinoptilolite	20	4 h	10-50 ppm	20-100	—	0.8	Freundlich	—	[110]
	BDTDA-clinoptilolite						1.3
	HDTMA-ZSM-5	—	24 h	0.0816-1.2 mmol/L	5	—	6.2	Langmuir/Freundlich/Redlich-Peterson	—	[112]
	CPB-ZSM-5						9.4
	HDTMA-clinoptilolite						11.4
	CPB-clinoptilolite						11.9
	MCM-41						59.4
4-Chlorophenol	HDTMA-clinoptilolite	20	4 h	10-100 ppm	20-100	—	12.7	Freundlich	—	[110]
	BDTDA-clinoptilolite	20	4 h	10-100 ppm	20-100	—	6.41
2,4,6-Trichlorophenol	FAU-type	25	24 h	1-60 μmol/L	30	—	314.5	Langmuir		[107]
Toluene	HDTMA-Y	28	6 h	1-60 mg/L	30	—	152.4	Temkin	Pseudo-second-order	[111]
	HDTMA-ZSM-5	—	24 h	0.0816-1.2 mmol/L	5	—	9.3	Langmuir/Freundlich/Redlich-Peterson	—	[112]
	CPB-ZSM-5	—	24 h	0.0816-1.2 mmol/L	5	—	16.4
	MCM-41	—	24 h	0.0816-1.2 mmol/L	5	—	145.2
Benzene	HDTMA-Y	28	6 h	1-60 mg/L	30	—	150.4	Temkin	Pseudo-second-order	[111]
	HDTMA-ZSM-5	—	24 h	0.0816-1.2 mmol/L	5	—	7.7	Langmuir/Freundlich/Redlich-Peterson	—	[112]
	CPB-ZSM-5						15.0
	HDTMA-clinoptilolite						16.6
	CPB-clinoptilolite						23.1
	MCM-41						112.3
Ethylbenzene	HDTMA-Y	28	6 h	1-60 mg/L	30	—	162.2	Temkin	Pseudo-second-order	[111]
m,p-Xylene	HDTMA-Y						175.3
o-Xylene	HDTMA-Y						164.6