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    22.
    发明专利
    未知

    公开(公告)号：DK1836146T3

    公开(公告)日：2009-10-19

    申请号：DK06700188

    申请日：2006-01-04

    Applicant: BASF SE

    Inventor： CRONE SVEN ,  MACHHAMMER OTTO ,  SCHINDLER GOETZ-PETER ,  BORGMEIER FRIEDER

    IPC: C07C5/327 ,  C07C7/04 ,  C07C7/11

    Abstract: A process for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the fed gas stream a comprising propane, if appropriate steam and, if appropriate, 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, carbon monoxide, carbon dioxide, steam, if appropriate hydrogen and, if appropriate, oxygen; C) product gas stream b is cooled, if appropriate condensed and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) product gas stream c is contacted in a first absorption zone with a selective, inert absorbent which selectively absorbs propene to obtain an absorbent stream d1 laden substantially with propene and a gas stream d2 comprising propane, methane, ethane, ethene, carbon monoxide, carbon dioxide and hydrogen; E) if appropriate, the absorbent stream d1 is decompressed to a lower pressure in a first desorption zone to obtain an absorbent stream e1 laden substantially with propene and a gas stream e2 comprising propene, and gas stream e2 is recycled into the first absorption zone, F) from the absorbent stream d1 or e1 laden substantially with propene, in at least one second desorption zone, by decompression, heating and/or stripping the absorbent stream d1 or e1, a gas stream f1 comprising propene is released and the selective absorbent is recovered.

    PROCESS FOR THE MANUFACTURING OF ALKANESULFONIC ACIDS
    26.
    发明专利
    PROCESS FOR THE MANUFACTURING OF ALKANESULFONIC ACIDS 未知

    公开(公告)号：SG11202007292TA

    公开(公告)日：2020-08-28

    申请号：SG11202007292T

    申请日：2019-01-30

    Applicant: BASF SE

    Inventor： BORGMEIER FRIEDER ,  SPIELMANN JAN ,  ZEILINGER MICHAEL ,  WORTMANN JUERGEN

    IPC: C07C303/06

    Abstract: A process for manufacturing of an alkanesulfonic acid, and an alkanesulfonic acid manufactured by the process. Aspects of the process may involve manufacturing an alkanesulfonic acid by reaction of an initiator composition with an alkane and sulfur trioxide by preparing an initiator composition by reacting aqueous hydrogen peroxide with alkanesulfonic acid and/or H2SO4; and reacting the initiator composition with sulfur trioxide and alkane to form an alkanesulfonic acid, wherein an alkane with a purity of at least 98.0 mol-% is used.

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