Overview of Current and Future Perspectives of Saudi Arabian Natural Clinoptilolite Zeolite: A Case Review

Table 1

Average of chemical composition (wt.%) of natural clinoptilolite from various countries.

Components	Chemical composition of natural clinoptilolite from different countries (wt.%)
	Japan [81]	Serbia [82]	Greece [83]	China [84]	KSA [74]	Ukraine [38]	Mexico [78]
SiO2	77.96	72.20	68.25	66.45	65.40	64.95	62.36
Al2O3	14.02	12.20	13.19	13.30	11.60	12.23	13.14
Fe2O3	1.30	5.70	1.41	1.49	1.88	1.06	1.63
TiO2	—	0.90	0.17	0.19	0.15	0.20	0.39
MgO	0.46	1.0	1.14	0.92	1.75	1.21	0.92
CaO	1.23	5.0	0.75	3.97	3.30	3.22	2.72
Na2O	1.15	0.50	4.12	1.02	1.50	0.70	3.99
K2O	3.88	2.50	1.66	1.54	0.98	2.35	1.20
FeO						0.22
P2O5						0.11
S						0.03
CO2						1.03
H2O						12.33