Transformation of Natural Clinoptilolite to High Purity of Synthetic Zeolits

Yi Fei Wang

doi:10.4028/www.scientific.net/AMR.466-467.42

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 466-467Transformation of Natural Clinoptilolite to High...

Transformation of Natural Clinoptilolite to High Purity of Synthetic Zeolits

Abstract:

In this paper, the Chinese natural clinoptilolite was treated hydrothermally, with fusion with NaOH powder as pretreatment. High purity of zeolite Na-Y, Na-P and Na-A were identified as the reacted products, depending on the reaction conditions such as hydrothermal time and the Si/Al molar ratio in the gels. And their cation exchange capacity (CEC) are 257, 355 and 335meq/100g respectively, which are greatly higher than that of the natural zeolite (97 meq/100g). In the hydrothermal reaction, an interesting phenomenon of crystal transformation has also been found

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Advanced Materials Research (Volumes 466-467)

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42-46

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https://doi.org/10.4028/www.scientific.net/AMR.466-467.42

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Online since:

February 2012

Authors:

Yi Fei Wang

Keywords:

Cation Exchange Capacity, Hydrothermal Reaction, Natural Zeolite, Synthetic Zeolites

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