CRYOGENIC ADSORPTION OF HYDROGEN ISOTOPES OVER NANO-STRUCTURED MATERIALS
Porous materials such as zeolites, activated carbon, silica gels, alumina and a number of industrial catalysts are compared and ranked for hydrogen and deuterium adsorption at liquid nitrogen temperature. All samples show higher D{sub 2} adsorption than that of H{sub 2}, in which a HY sample has the greatest isotopic effect while 13X has the highest hydrogen uptake capacity. Material's moisture content has significant impact to its hydrogen uptake. A material without adequate drying could result in complete loss of its adsorption capacity. Even though some materials present higher H{sub 2} adsorption capacity at full pressure, their adsorption at low vapor pressure may not be as good as others. Adsorption capacity in a dynamic system is much less than in a static system. A sharp desorption is also expected in case of temperature upset.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- DE-AC09-08SR22470
- OSTI ID:
- 991223
- Report Number(s):
- SRNL-STI-2010-00606; TRN: US201021%%113
- Journal Information:
- Fusion Science and Technology, Journal Name: Fusion Science and Technology; ISSN 0920-3796
- Country of Publication:
- United States
- Language:
- English
Similar Records
CO{sub 2} adsorption-based separation by metal organic framework (Cu-BTC) versus zeolite (13X)
New Carbon-Based Porous Materials with Increased Heats of Adsorption for Hydrogen Storage