Low-temperature synthesis of zeolite from perlite waste — Part II: characteristics of the products

• Autorzy: Król M. , Morawska J. , Mozgawa W

Identyfikatory

DOI

10.2478/s13536-014-0217-x

• Języki publikacji: EN

Abstrakty

EN

The paper investigates the properties of sodium zeolites synthesized using the hydrothermal method under autogenous pressure at low temperature with NaOH solutions of varying concentrations. During this modification, zeolites X, Na-P1 and hydroxysodalite were synthesized. The synthesis parameters, and thus, phase composition of resulting samples, significantly affected the specific surface area (SSA) and cation exchange capacity (CEC). SSA increased from 2.9 m2 /g to a maximum of /g, while CEC rose from 16 meq/100 g to a maximum of 500 meq/100 g. The best properties for use as a sorbent were obtained for perlite waste modified with 4.0 M NaOH at 70 °C or 80 °C.

Słowa kluczowe

EN

synthesis of zeolites; expanded perlite waste; cation exchange capacity (CEC); specific surface area

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 4
• Strony: 526--532
• Opis fizyczny: Bibliogr. 14 poz., rys., wykr., tab.

Twórcy

autor

Król M.

• Faculty of Materials Science and Ceramic, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Krakow, Poland

autor

Morawska J.

• Faculty of Materials Science and Ceramic, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Krakow, Poland

autor

Mozgawa W

• Faculty of Materials Science and Ceramic, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Krakow, Poland

Bibliografia

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