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Moisture Contamination in High Purity Gas Separation Products

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Chemical and Petroleum Engineering Aims and scope

Research results of impurity water accumulation and removal processes in cryogenic separation units for high-purity inert gas production (with a purity of more than 99.999 %) are presented. Dewpoint temperature calculations for gases at various pressures are made. Main sources of moisture contamination in the product gaseous flows of cryogenic separation units are determined. Recommendations regarding both the pre-purification technology for cryogenic separation unit feed gas and the cylinder filling process are provided, which make it possible to reduce water vapor concentration in gas to the level of ppb (parts per billion, 1 ppb = 10–9 mol/mol).

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Authors and Affiliations

  1. Bauman Moscow State Technical University, Moscow, Russia

    T. G. Ustyugova & M. Yu. Kupriyanov

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  1. T. G. Ustyugova
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  2. M. Yu. Kupriyanov
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Correspondence to T. G. Ustyugova.

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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, Vol. 56, No. 5, pp. 23–26, May, 2020.

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Ustyugova, T.G., Kupriyanov, M.Y. Moisture Contamination in High Purity Gas Separation Products. Chem Petrol Eng 56, 371–377 (2020). https://doi.org/10.1007/s10556-020-00783-y

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  • DOI: https://doi.org/10.1007/s10556-020-00783-y

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