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    • 7. 发明申请
    • REMOVAL OF BROMINE FROM GASEOUS HYDROGEN BROMIDE
    • 从气体溴化物中去除溴
    • WO2013184415A1
    • 2013-12-12
    • PCT/US2013/042677
    • 2013-05-24
    • ALBEMARLE CORPORATION
    • HARROD, William, B.HARDEN, John, M.HEEB, Rhett, P.KARSEBOOM, Steven, G.SHARP, Gary, L.WILLIAMS, Robert, E.
    • C01B7/09C07C17/093
    • C01B7/093B01D53/68C07C9/14C07C17/12C07C17/14C07C22/04Y02P20/582
    • Processes of and systems for removing free bromine from gaseous anhydrous HBr contaminated with free bromine are described. In one type of process the gaseous contaminated HBr is fed into countercurrent contact with at least one liquid alkylaromatic hydrocarbon within a packed section of a column while maintaining the packed section under free radical bromination conditions so that one or more than one liquid a- bromoalkylaromatic compound is produced along with one mole of gaseous HBr per mole of a- bromoalkylaromatic compound produced. In another type of process the gaseous anhydrous HBr is fed into countercurrent contact through at least two scrubbers so that the gaseous anhydrous HBr is scrubbed substantially free of bromine by passage through these at least two scrubbers, each of which contains a different specified type of scrubbing liquid. In one embodiment the liquid alkylaromatic hydrocarbon comprises 1,2-diphenylethane.
    • 描述了用游离溴污染的无水无水HBr除去游离溴的方法和系统。 在一种类型的方法中,将气体污染的HBr与塔的填充部分内的至少一种液体烷基芳族烃进行逆流接触,同时将填充部分保持在自由基溴化条件下,使得一种或多于一种液体α-溴烷基芳族化合物 与每摩尔产生的α-溴烷基芳族化合物一摩尔气态HBr一起产生。 在另一种类型的方法中,气态无水HBr通过至少两个洗涤器进料到逆流接触中,使得气态无水HBr通过这些至少两个洗涤器被洗涤,基本上不含溴,每个洗涤器含有不同的指定类型的洗涤 液体。 在一个实施方案中,液体烷基芳族烃包括1,2-二苯基乙烷。