Rehydration of heulandite and stilbite

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1988 English Publisher:Springer Science and Business Media LLCJournal:Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, volume 37, pages 2,576-2,578 (issn: 0568-5230, eissn: 1573-9171,

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Authors: T. M. Guliev; A. A. Isirikyan; D. I. Mirzai; V. V. Serpinskii;

doi: 10.1007/bf00952648

Rehydration of heulandite and stilbite

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Abstract

1. Stilbite and heulandite begin to undergo sintering upon heating in vacuum at 200 ± 5°C and undergo about 80% dehydration. 2. The rehydration energy (heat of immersion in water) of stilbite and heulandite reach maximal values of 350 ± 15 and 215 ± 15 J/g after pumping at 230 ± 20 and 200 ± 20°C, respectively. Maximum half-width values are reached at 250 and 300°C, respectively. 3. The maximal integral mean-molar heats of adsorption of water vapor on stilbite and heulandite after pumping at 230 and 200°C, respectively, are 76 ± 3 and 69 ± 3 kJ/mole.

Related Organizations

Azerbaijan National Academy of Sciences
Azerbaijan
Russian Academy of Sciences
Russian Federation

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