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    • 8. 发明申请
    • METHOD FOR PRODUCING PROPENE FROM PROPANE
    • 从丙烷生产丙烯的方法
    • US20090312591A1
    • 2009-12-17
    • US12294748
    • 2007-03-13
    • Markus SchubertUlrich MüllerChristoph KienerFriedhalm TeichSven CroneFalk SimonJörg Pastre
    • Markus SchubertUlrich MüllerChristoph KienerFriedhalm TeichSven CroneFalk SimonJörg Pastre
    • C07C5/327
    • C07C5/333C07C7/12C07C7/13C07C11/06
    • The present invention relates to processes for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the feed gas stream a comprising propane, if appropriate steam and if appropriate and an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, hydrogen, if appropriate carbon monoxide, carbon dioxide, steam and oxygen; C) the product gas stream b is cooled, if appropriate compressed and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) the product gas stream c is contacted with a selective adsorbent which adsorbs propene selectively under the selected adsorption conditions to obtain a propene-laden adsorbent and a propene-depleted gas stream d2 comprising propane, methane, ethane, ethene and hydrogen, carbon monoxide and carbon dioxide; E) a propene-comprising gas stream e1 is released from the propane-laden adsorbent by pressure reduction and/or heating of the adsorbent.
    • 本发明涉及从丙烷制备丙烯的方法,包括以下步骤:A)提供包含丙烷的原料气流a; B)包含丙烷的进料气流a(如果合适的话,蒸汽和适当的话)和含氧气流被送入脱氢区,丙烷经脱氢至丙烯以获得包含丙烷,丙烯,甲烷, 乙烷,乙烯,氢气,如果适用,一氧化碳,二氧化碳,蒸气和氧气; C)产物气流b被冷却,如果合适的话压缩并通过冷凝除去蒸汽,得到蒸汽消耗产物气流c; D)产物气流c与在选择的吸附条件下选择性吸附丙烯的选择性吸附剂接触以获得含有丙烯的吸附剂和包含丙烷,甲烷,乙烷,乙烯和氢气的一种贫含丙烯的气流d2,一氧化碳 和二氧化碳; E)通过吸附剂的减压和/或加热将含丙烯气流e1从载有丙烷的吸附剂中释放。