Characterization of Water and CO2 Adsorption by Stores 3A Desiccant Samples Using Thermal Gravimetric Analysis and Fourier Transform Infrared Spectroscopy [electronic resource]
Two lots of manufactured Type 3a zeolite samples were compared by TGA/IR analysis. The first lot, obtained from Davidson Chemical, a commercial vendor, was characterized during the previous study cycle for its water and water-plus-CO₂ uptake in order to determine whether CO₂ uptake prevented water a...
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| Format: | Government Document Electronic eBook |
| Language: | English |
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Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2003.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Characterization of Water and CO2 Adsorption by Stores 3A Desiccant Samples Using Thermal Gravimetric Analysis and Fourier Transform Infrared Spectroscopy |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2003. | ||
| 300 | |a 14 pages : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 02/01/2003. | ||
| 500 | |a "sand2003-0398" | ||
| 500 | |a RIVERA, DION A.; ALAM, M. KATHLEEN; MARTIN, LAURA; BROWN, JASON R. | ||
| 513 | |a Topical; | ||
| 520 | 3 | |a Two lots of manufactured Type 3a zeolite samples were compared by TGA/IR analysis. The first lot, obtained from Davidson Chemical, a commercial vendor, was characterized during the previous study cycle for its water and water-plus-CO₂ uptake in order to determine whether CO₂ uptake prevented water adsorption by the zeolite. It was determined that CO₂ did not hamper water adsorption using the Davidson zeolite. CO₂ was found on the zeolite surface at dewpoints below -40 C, however it was found to be reversibly adsorbed. During the course of the previous studies, chemical analyses revealed that the Davidson 3a zeolite contained calcium in significant quantities, along with the traditional counterions potassium and sodium. Chemical analysis of a Type 3a zeolite sample retrieved from Kansas City (heretofore referred to as the ''Stores 3a'' sample) indicated that the Stores sample was a more traditional Type 3a zeolite, containing no calcium. TGA/IR studies this year focused on obtaining CO₂ and water absorbance data from the Stores 3a zeolite. Within the Stores 3a sample, CO₂ was found to be reversibly absorbed within the sample, but only at and below -60 C with 5% CO₂ loading. The amount of CO₂ observed eluting from the Stores zeolite at this condition was similar to what was observed from the Davidson zeolite sample but with a greater uncertainty in the measured value. The results of the Stores 3a studies are summarized within this report. | |
| 536 | |b AC04-94AL85000. | ||
| 650 | 7 | |a Adsorption. |2 local. | |
| 650 | 7 | |a Desiccants. |2 local. | |
| 650 | 7 | |a Thermal Gravimetric Analysis. |2 local. | |
| 650 | 7 | |a Water. |2 local. | |
| 650 | 7 | |a Sorptive Properties. |2 local. | |
| 650 | 7 | |a Fourier Transform Spectrometers. |2 local. | |
| 650 | 7 | |a Infrared Radiation. |2 local. | |
| 650 | 7 | |a Carbon Dioxide. |2 local. | |
| 650 | 7 | |a Zeolites. |2 local. | |
| 650 | 7 | |a Inorganic, Organic, Physical And Analytical Chemistry. |2 edbsc. | |
| 710 | 2 | |a Sandia National Laboratories. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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