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US 9,518,971 B2Granted
Recovery of Xe and other high value compounds
AssigneeEntegris, Inc.
InventorsThomas H. Baum, J. Donald Carruthers, Richard Fricke, Joshua B. Sweeney, James V. McManus, Edward A. Sturm
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Abstract
A system and method for recovering high value gas from a process stream, material or environment containing same, e.g., xenon by contacting gas from the process stream, material or environment with a carbon adsorbent effective to sorptively capture same, free of or with reduced concentration of fluid species present with the high value gas in the high value gas-containing gas in the process stream, material or environment. Other aspects of the disclosure include a radon detection method and product.
Claims14
A radon monitoring apparatus, comprising:
- a vessel containing carbon adsorbent having sorptive affinity for radon, said vessel being configured for selective exposure of the adsorbent to a gaseous environment, and for selective isolation of the adsorbent from said gaseous environment, to thereby sample said gaseous environment for presence of radon therein, wherein the carbon adsorbent is adsorptively selective for radon in relation to atmospheric gases, and wherein the carbon adsorbent has a bulk density in a range of from 750 to 1300 kg per cubic meter (kg/m3), and a porosity in which the majority of pores are in a range of from 5 to 8 Angstroms.
Dependencies are inferred from the claim text.