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Conference Paper

Adsorption techniques for gas purification


Simgen,  Hardy
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Simgen, H. (2005). Adsorption techniques for gas purification. In Topical Workshop on Low Radioactivity Techniques LRT 2004 (pp. 121-129). Kingston, Ontario, Canada: B. Cleveland, R. Ford.

Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-882C-9
Adsorption techniques offer an easily applicable, efficient way to purify gases to the highest purities. The appropriate choice of the adsorber in combination with the right operational parameters allows a selective removal of impurities. In this work the principles of the single- and multi-component adsorption process are discussed. A simple model of chromatography is applied to predict the breakthrough curves of impurities through adsorption columns. The theoretical results were used to develop purification procedures for nitrogen from radon and krypton and argon from radon. More than 200 m3 of nitrogen can be purified from krypton with 1 kg of the appropriate adsorber. For radon no breakthrough was observed in nitrogen and in argon and the 222Rn concentration in the final product was less than 0.5 µBq/m3. ©2005 American Institute of Physics