Optimized chemical preconditioning of Philippine natural zeolites

Natural zeolites in the Aksitero sedimentary formation of the western Luzon area of the Philippines were evaluated. The natural washed zeolite (NW-Z) was preconditioned with acid to purify it and increase its surface area. Acid treatment with 3 M HCl for 12 h yielded optimum acid treatment of the NW...

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Veröffentlicht in:	Clay minerals 2019-12, Vol.54 (4), p.401-408
Hauptverfasser:	Olegario, Eleanor M, Taaca, Kathrina Lois M, Morillo, John Christopher Lawrence, Mendoza, Herman D
Format:	Artikel
Sprache:	eng
Schlagworte:	Acids Aksitero Formation Aluminum Antibiotics Asia carbonate rocks Catalysis Catalysts Cation exchanging Cation-exchange capacity Cations Cenozoic chemical properties clay mineralogy clinoptilolite Copper diagenesis Eocene Exchange capacity Far East framework silicates geochemistry hydrothermal alteration ion exchange limestone Luzon metasomatism Mitigation Morphology Optimization Organic chemistry Paleogene Particle size Philippine Islands Porosity Preconditioning Pretreatment rock, sediment, soil sed rocks, sediments Sedimentary petrology sedimentary rocks silicates Silicon Sodium Sodium chloride Surface area Tertiary Uptake Variance analysis Wastewater treatment zeolite group Zeolites
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