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Pressure Swing Adsorption for Hydrogen Purification Appendix 1 Pressure Swing Adsorption Milestones Table 5.1 – PSA Milestones, adapted from Pressure Swing Adsorption [10] 1930 - 1933 1955 - 1956 First PSA patents issued to Finlayson and Sharp (U.K. 365,092) Synthetic zeolites produced commercially 1953 - 1954 Papers by H. Kahle outlining the principle of PSA (including heat storage) and giving details of a PSA process for removal of CO2, hydrocarbons and water vapor from air. 1957 - 1958 French patent 1,223,261, P. Guerin de Montgareuil and D. Domine (Air Liquide): the “vacuum swing” PSA cycle is described. U.S. Patent 2,944,627, C. W. Skarstrom (Esso Research and Engineering): the low-pressure purge is introduced, and the importance of containing the thermal wave in the bed is emphasized. 1960 - 1965 Development and commercialization of the “Heatless Drier” for small- scale air drying and early versions of the “Isosiv” process for separation of linear hydrocarbons. 1965 - 1970 1970 – 1972 1972 – 1973 1976 Development and commercialization of PSA for hydrogen purification First large-scale PSA processes for O2 production O2 selective carbon sieves produced commercially PSA nitrogen production process using CMS adsorbent Small-scale medical oxygen units Large-scale vacuum swing processes for air separation (Adapted from Ruthven PSA) 1976 – 1980 1982 Pressure Swing Adsorption Milestones 52PDF Image | PRESSURE SWING ADSORPTION FOR THE PURIFICATION OF HYDROGEN
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