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

Magdalena Król; Justyna Morawska; Włodzimierz Mozgawa; Waldemar Pichór

doi:10.2478/s13536-014-0217-x

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

Materials Science-Poland

Volume 32 (2014): Issue 4 (December 2014)

By: Magdalena Król, Justyna Morawska, Włodzimierz Mozgawa and Waldemar Pichór

Open Access

|Dec 2014

Abstract

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 501.2 m2/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.

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Articles in this issue

DOI: https://doi.org/10.2478/s13536-014-0217-x | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331

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Language: English

Page range: 526 - 532

Published on: Dec 19, 2014

Published by: Wroclaw University of Science and Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

synthesis of zeolites,

expanded perlite waste,

cation exchange capacity (CEC),

specific surface area

Related subjects:

Materials sciences,

Materials sciences, other,

Nanomaterials,

Functional and smart materials,

Materials characterization and properties

© 2014 Magdalena Król, Justyna Morawska, Włodzimierz Mozgawa, Waldemar Pichór, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 32 (2014): Issue 4 (December 2014)