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    METHOD FOR PRODUCING PROPENE FROM PROPANE
    5.
    发明申请
    METHOD FOR PRODUCING PROPENE FROM PROPANE 审中-公开
    用于生产丙烯丙烷

    公开(公告)号：WO2006094938A3

    公开(公告)日：2006-11-02

    申请号：PCT/EP2006060436

    申请日：2006-03-03

    Applicant: BASF AG ,  CRONE SVEN ,  MACHHAMMER OTTO ,  SCHINDLER GOETZ-PETER ,  BORGMEIER FRIEDER

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

    IPC: C07C5/48 ,  C07C11/06

    CPC classification number: C07C5/327 ,  C07C5/48 ,  C07C11/06

    Abstract: The invention concerns a method for producing propene from propane, said method consisting in: A) preparing an input gas stream (a) containing propane; B) introducing the input gas stream (a), containing propane, optionally water vapour and optionally an oxygen-containing gas stream, into a dehydrogenation zone then dehydrogenating propane to form propene, a product gas stream (b), containing propane, propene, methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide, water vapour, optionally hydrogen and optionally oxygen, being obtained; C) cooling and optionally compressing the product gas stream (b) then separating water vapour by condensing a product gas stream (c) depleted in water vapour (c) being obtained; D) separating the non-condensable gas constituents or with low boiling point by contacting the product gas stream (c) with an inert absorbent then by desorbing the gases dissolved in said inert absorbent, a C 3 hydrocarbon stream (d1) and a residual gas stream (d2) containing methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide, optionally hydrogen and optionally oxygen, being obtained; E) cooling and optionally compressing the C 3 hydrocarbon stream (d1), a gaseous or liquid C 3 hydrocarbon stream (e1) being obtained; F) optionally introducing the C 3 hydrocarbon stream (e1) into a first distillation zone then separating same by distillation into a propane and propene stream (f1) and a stream (f2) containing ethane and ethene; G) introducing the stream (e1) or (f1) into a (second) distillation zone then separating by distillation into a propene stream (g1) and a propane stream (g2), the stream (g2) being recycled at least partly to the dehydrogenation zone.

    Abstract translation: 本发明涉及一种方法，用于从丙烷制备丙烯的方法，包括以下步骤：提供一种含丙烷的原料气流的A）; B）包含（a），任选的蒸汽和任选的含氧气体流中的丙烷进料气流被送入脱氢区和丙烷经受脱氢成丙烯，得到产物气流（b）包含丙烷，丙烯，甲烷，乙烷，乙烯，氮气， 一氧化碳，二氧化碳，水蒸汽，任选的氢气和任选的氧获得; C）的产物气流（B）被冷却，冷凝，任选地，这将允许水蒸气通过冷凝分离，得到一个蒸汽贫化产物气流（获得的C）; D）不可冷凝的或低沸点的气体成分是通过产物气体流（c）与的溶解在惰性吸收介质气体的惰性吸收剂和随后解吸分离，由此一个C 3 烃流（d1）和一个接触制备 废气流的含甲烷，乙烷，乙烯，氮气，一氧化碳，二氧化碳，任选的氢气和任选的氧（D2）得到; E）与c 3 烃流（D1）被冷却和任选地被压缩，其特征在于，气态或液C 3 得到烃流（E1）; F）的C 3 烃流（E1）任选地进料至丙烷和丙烯以及包含乙烷和乙烯流（F2）中的第一蒸馏区和蒸馏（在流F1）; 电源（E1）或（F1）的G）被供给到蒸馏区中的（第二）和蒸馏分离成从丙烷中分离丙烯的产物料流（GL）和流（G2），所述电流（G2）至少部分地在 脱氢区返回。

    8.
    发明专利
    未知

    公开(公告)号：BRPI0606630A2

    公开(公告)日：2010-01-19

    申请号：BRPI0606630

    申请日：2006-01-16

    Applicant: BASF AG

    Inventor： SCHINDLER GOETZ-PETER ,  CRONE SVEN ,  BORGMEIER FRIEDER ,  DUDA MARK ,  SIMON FALK ,  KLANNER CATHARINA

    IPC: C07C5/333 ,  C07C11/167

    Abstract: A process for preparing butadiene, comprising A) providing a stream (a) comprising n-butane; B) feeding stream (a) comprising into at least one first dehydrogenation zone and nonoxidatively catalytically dehydrogenating n-butane to obtain a stream (b) comprising n-butane, 1-butene, 2-butene, butadiene, hydrogen and low-boiling secondary constituents; C) feeding stream (b) and an oxygenous gas into at least one second dehydrogenation zone and oxidatively dehydrogenating n-butane, 1-butene and 2-butene to obtain a stream (c) comprising n-butane, 2-butene, butadiene, low-boiling secondary constituents, carbon oxides and steam, wherein stream (c) has a higher content of butadiene than stream (b); D) removing the low-boiling secondary constituents and steam to obtain a stream (d) substantially consisting of n-butane, 2-butene and butadiene; E) separating stream (d) into a stream (e1) consisting substantially of n-butane and 2-butene and a stream (e2) consisting substantially of butadiene by extractive distillation; F) recycling stream (e1) into the first dehydrogenation zone.

    9.
    发明专利
    未知

    公开(公告)号：BRPI0518872A2

    公开(公告)日：2008-12-16

    申请号：BRPI0518872

    申请日：2005-12-07

    Applicant: BASF AG

    Inventor： CRONE SVEN ,  KLANNER CATHARINA ,  SCHINDLER GOETZ-PETER ,  DUDA MARK ,  BORGMEIER FRIEDER

    IPC: C07C5/333 ,  C07C11/167

    Abstract: A process for preparing butadiene, comprising nonoxidatively dehydrogenating n-butane from a stream (a) in a first dehydrogenation zone to obtain stream (b) comprising 1-butene and 2-butene; oxidatively dehydrogenating the 1-butene and 2-butene of (b) in the presence of an oxygenous gas in a second dehydrogenation zone to obtain stream (c) comprising n-butane, butadiene, hydrogen, carbon dioxide, and steam; compressing and cooling (c) to obtain stream (d2) comprising n-butane, butadiene, hydrogen, carbon dioxide, and steam; extractively distilling (d2) into stream (e1) comprising butadiene and stream (e2) comprising n-butane, hydrogen, carbon dioxide, and steam; compressing and cooling (e2) to obtain stream (f1) comprising n-butane and water and stream (f2) comprising n-butane, hydrogen, and carbon dioxide; cooling (f2) to obtain stream (g1) comprising n-butane and stream (g2) comprising carbon dioxide and hydrogen; phase separating water from (f1) to obtain stream (h1) comprising n-butane; and recycling (h1) into the first dehydrogenation zone.

    Preparation of propene comprises preparing a feed stream containing propane; feeding the feed stream to a dehydrogenation zone; followed by cooling, contacting the cooled product gas stream and depressurizing
    10.
    发明专利
    Preparation of propene comprises preparing a feed stream containing propane; feeding the feed stream to a dehydrogenation zone; followed by cooling, contacting the cooled product gas stream and depressurizing 未知

    公开(公告)号：DE102005012291A1

    公开(公告)日：2006-09-21

    申请号：DE102005012291

    申请日：2005-03-17

    Applicant: BASF AG

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

    IPC: C07C5/327 ,  C07C7/00 ,  C07C7/12 ,  C07C11/06

    Abstract: Preparation of propene from propane comprises preparing a feed stream containing propane; feeding the feed stream to a dehydrogenation zone; cooling the obtained product gas stream; contating the cooled product gas stream with a selective inert absorption agent; optionally depressurizing the obtained propane charged absorption agent stream; and releasing a propene-containing gas stream. Preparation of propene from propane comprises: (i) preparing a feed stream containing propane; (ii) feeding the feed stream containing propane, optionally: steam and an oxygen-containing gas stream to a dehydrogenation zone and propane undergoes a dehydrogenation to give propene (where a product gas stream (b) containing propane, propene, methane, ethane, ethene, carbon monoxide, carbon dioxide, steam, and optionally hydrogen and oxygen, is obtained); (iii) cooling (b) and optionally compressing and steam separating, by condensation, to give a product gas stream (c) stripped of steam; (iv) contacting (c) with a selective inert absorption agent, which selectively absorbs propene in a first absorption zone, to give an essentially propane charged absorption agent stream (d1) and a gas stream (d2) containing propane, methane, ethane, ethene, carbon monoxide, carbon dioxide and hydrogen; (v) optionally depressurizing (d1), in a first desorption zone, to give an essentially propene-charged absorption agent stream (e1) and a gas stream (e2) (which is recycled into the first absorption zone), containing propene; and (vi) releasing a propene-containing gas stream (f1) from (d1) and (e1) in at least one second desorption zone by depressurization, heating and/or stripping of the absorption agent stream (d1) and (e1) with recycling of the selective absorption agent.

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