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    Method for the Production of Propene from Propane
    1.
    发明申请
    Method for the Production of Propene from Propane 审中-公开
    丙烷生产丙烯的方法

    公开(公告)号：US20090240094A1

    公开(公告)日：2009-09-24

    申请号：US11721247

    申请日：2005-12-08

    申请人： Sven Crone ,  Otto Machhammer ,  Götz-Peter Schindler

    发明人： Sven Crone ,  Otto Machhammer ,  Götz-Peter Schindler

    IPC分类号： C07C5/327

    CPC分类号： C07C5/3337 ,  C07C7/04 ,  C07C11/06

    摘要： The invention relates to a process 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 and an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a nonoxidative catalytic, autothermal dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, C4+ hydrocarbons, carbon monoxide, carbon dioxide, steam and hydrogen, C) the product gas stream b is cooled and steam is removed by condensation to obtain a steam-depleted product gas stream c, D) carbon dioxide is removed by gas scrubbing to obtain a carbon dioxide-depleted product gas stream d, E) the product gas stream d is cooled and a liquid hydrocarbon stream e1 comprising propane, propene, methane, ethane, ethene and C4+ hydrocarbons is removed by condensation to leave a residual gas stream e2 comprising methane, hydrogen and carbon monoxide, F) the liquid hydrocarbon stream e1 is fed into a first distillation zone and separated distillatively into a stream f1 comprising propane, propene and the C4+ hydrocarbons and a stream f2 comprising ethane and ethene, G) the stream f1 is fed into a second distillation zone and separated distillatively into a product stream g1 comprising propene and a stream g2 comprising propane and the C4+ hydrocarbons.

    摘要翻译： 本发明涉及一种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）将包含丙烷和含氧气流的进料气流a进料到脱氢区中，并将丙烷进行非氧化催化，自热脱氢至丙烯以获得包含丙烷，丙烯，甲烷，乙烷，乙烯的产物气流b ，C 4 +烃，一氧化碳，二氧化碳，蒸汽和氢气，C）产物气流b被冷却并通过冷凝除去蒸汽以获得蒸汽消耗产物气流c，D）通过气体洗涤除去二氧化碳 获得贫二氧化碳产物气流d，E）产物气流d被冷却，通过冷凝除去包含丙烷，丙烯，甲烷，乙烷，乙烯和C 4 +烃的液体烃流e1，以留下残余气流e2 包括甲烷，氢气和一氧化碳，F）将液体烃流e1进料到第一蒸馏区并蒸馏分离成包含丙烷，丙烯和 C4 +烃和包含乙烷和乙烯的物流F2），将物流f1进料到第二蒸馏区，并蒸馏分离成包含丙烯的产物流g1和包含丙烷和C4 +烃的料流g2。

    Method for Producing Propene From Propane
    2.
    发明申请
    Method for Producing Propene From Propane 审中-公开
    从丙烷生产丙烯的方法

    公开(公告)号：US20080269536A1

    公开(公告)日：2008-10-30

    申请号：US11817599

    申请日：2006-03-03

    申请人： Sven Crone ,  Otto Machhammer ,  Götz-Peter Schindler ,  Frieder Borgmeier

    发明人： Sven Crone ,  Otto Machhammer ,  Götz-Peter Schindler ,  Frieder Borgmeier

    IPC分类号： C07C5/48

    CPC分类号： C07C5/327 ,  C07C5/48 ,  C07C11/06

    摘要： The invention relates to a process 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, nitrogen, carbon monoxide, carbon dioxide, steam, if appropriate hydrogen and if appropriate 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) uncondensable or low-boiling gas constituents are removed by contacting the product gas stream c with an inert absorbent and subsequently desorbing the gases dissolved in the inert absorbent to obtain a C3 hydrocarbon stream d1 and an offgas stream d2 comprising methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide, if appropriate hydrogen and if appropriate oxygen;E) the Ca hydrocarbon stream d1 is cooled and if appropriate compressed to obtain a gaseous or liquid Ca hydrocarbon stream e1; F) the C3 hydrocarbon stream e1 is if appropriate fed into a first distillation zone and separated distillatively into a stream f1 composed of propane and propene and a stream f2 comprising ethane and ethene;G) the stream e1 or f1 is fed into a (second) distillation zone and separated distillatively into a product stream g1 composed of propene and a stream g2 composed of propane, the stream g2 being recirculated at least partially into the dehydrogenation zone.

    摘要翻译： 本发明涉及一种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，氮气，一氧化碳，二氧化碳，蒸汽，如果合适的氢气和适当的氧气; 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）通过使产物气流c与惰性吸收剂接触并随后将溶解在惰性吸收剂中的气体解吸，得到C 3 O 3烃流d 1和 废气流d 2包括甲烷，乙烷，乙烯，氮气，一氧化碳，二氧化碳，如果合适的氢气和适当的氧气; E）将Ca烃流d 1冷却并适当压缩以获得气态或液态Ca烃流e 1; F）如果适当地将C 3烃流e 1加入第一蒸馏区并蒸馏分离成由丙烷和丙烯组成的料流f 1和包含乙烷和乙烯的料流f 2; 将流e 1或f 1进料到（第二）蒸馏区并蒸馏分离成由丙烯组成的产物流g 1和由丙烷组成的料流g 2，流g 2至少部分再循环至 脱氢区。

    Method For The Production Of Propene From Propane
    6.
    发明申请
    Method For The Production Of Propene From Propane 审中-公开
    丙烷生产丙烯的方法

    公开(公告)号：US20080207975A1

    公开(公告)日：2008-08-28

    申请号：US11722367

    申请日：2005-12-20

    申请人： Sven Crone ,  Otto Machhammer ,  Gotz-Peter Schindler

    发明人： Sven Crone ,  Otto Machhammer ,  Gotz-Peter Schindler

    IPC分类号： C07C5/00

    CPC分类号： C07C5/3337 ,  C07C7/04 ,  C07C11/06

    摘要： The invention relates to a process 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 and an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a nonoxidative catalytic, autothermal dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide, steam and hydrogen;C) product gas stream b is cooled and steam is removed by condensation to obtain a steam-depleted product gas stream c;D) uncondensable or low-boiling gas constituents are removed by contacting product gas stream c with an inert absorbent and subsequently desorbing the gases dissolved in the inert absorbent to obtain a C3 hydrocarbon stream d1 and an offgas stream d2 comprising methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide and hydrogen;E) the C3 hydrocarbon stream d1 is cooled and compressed to obtain a liquid C3 hydrocarbon stream e1;F) the liquid C3− hydrocarbon stream e1 is fed into a first distillation zone and separated distillatively into a stream f1 composed of propane and propene and a stream f2 comprising ethane and ethene;G) stream f1 is fed into a (second) distillation zone and separated distillatively into a product stream g1 composed of propene and a stream g2 composed of propane, and stream g2 is recycled at least partly into the dehydrogenation zone.

    摘要翻译： 本发明涉及一种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）将包含丙烷和含氧气流的原料气流a进料到脱氢区，丙烷经受非氧化催化，自热脱氢至丙烯以获得包含丙烷，丙烯，甲烷，乙烷，乙烯的产物气流b ，氮气，一氧化碳，二氧化碳，蒸气和氢气; C）产物气流b被冷却并通过冷凝除去蒸汽，得到蒸汽消耗产物气流c; D）通过使产物气流c与惰性吸收剂接触并随后将溶解在惰性吸收剂中的气体解吸，得到C 3 N 3烃流d 1和废气，除去不可冷凝或低沸点气体成分 流d 2包含甲烷，乙烷，乙烯，氮气，一氧化碳，二氧化碳和氢气; E）将C 3 C 3烃流d 1冷却并压缩，得到液体C 3烃流e1; F）将液体C 3 - C 3 - 烃流e 1进料到第一蒸馏区并蒸馏分离成由丙烷和丙烯组成的料流f 1和包含乙烷和乙烯的料流f 2; G）流f 1进料到（第二）蒸馏区并蒸馏分离成由丙烯构成的产物流g 1和由丙烷组成的料流g 2，并且流g 2至少部分地再循环到脱氢区中。

    Method for the Production of Propene from Propane
    7.
    发明申请
    Method for the Production of Propene from Propane 审中-公开
    丙烷生产丙烯的方法

    公开(公告)号：US20080221374A1

    公开(公告)日：2008-09-11

    申请号：US11813360

    申请日：2006-01-04

    申请人： Sven Crone ,  Otto Machhammer ,  Gotz-Peter Schindler ,  Frieder Borgmeier

    发明人： Sven Crone ,  Otto Machhammer ,  Gotz-Peter Schindler ,  Frieder Borgmeier

    IPC分类号： C07C5/02

    CPC分类号： C07C5/3337 ,  C07C7/11 ,  C07C11/06

    摘要： 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.

    摘要翻译： 一种从丙烷制备丙烯的方法，包括以下步骤：A）提供包含丙烷的进料气流a; B）包含丙烷的进料气流a（如果合适的话）蒸汽，如果合适的话，将含氧气流送入脱氢区，然后使丙烷脱氢至丙烯，得到包含丙烷，丙烯，甲烷的产物气流b 乙烷，乙烯，一氧化碳，二氧化碳，蒸汽，如果合适的话，以及适当的话，氧气; C）产物气流b被冷却，如果合适的话冷凝和蒸汽通过冷凝除去，得到蒸汽消耗产物气流c; D）产物气流c在第一吸收区域与选择性吸收丙烯的选择性惰性吸收剂接触，从而获得基本上与丙烯一起填充的吸收剂流d1和包含丙烷，甲烷，乙烷，乙烯，一氧化碳， 二氧化碳和氢气; E）如果合适，在第一解吸区中将吸收剂流d1减压至较低的压力，以获得基本上与丙烯和包含丙烯的气流e2并且气流e2再循环到第一吸收区中的吸收剂流e1， F）通过减压，加热和/或汽提吸收剂流d1或e1，从至少一个第二解吸区中基本上与丙烯充分接触的吸收剂流d1或e1，释放包含丙烯的气流f1，并且选择性吸附剂 恢复。

    Method for the Synthesis of Aromatic Hydrocarbons From C1-C4-Alkanes and Utilization of C1-C4-Alkane-Comprising Product Stream
    9.
    发明申请
    Method for the Synthesis of Aromatic Hydrocarbons From C1-C4-Alkanes and Utilization of C1-C4-Alkane-Comprising Product Stream 审中-公开
    从C1-C4烷烃合成芳香烃的方法和使用C1-C4-烷烃的产品流

    公开(公告)号：US20080293980A1

    公开(公告)日：2008-11-27

    申请号：US12091874

    申请日：2006-10-30

    申请人： Frank Kiesslich ,  Sven Crone ,  Otto Machhammer ,  Frederik van Laar ,  Ekkehard Schwab ,  Gotz-Peter Schindler

    发明人： Frank Kiesslich ,  Sven Crone ,  Otto Machhammer ,  Frederik van Laar ,  Ekkehard Schwab ,  Gotz-Peter Schindler

    IPC分类号： C07C15/00

    CPC分类号： B01J29/46 ,  C01B3/50 ,  C01B2203/048 ,  C01B2203/0495 ,  C01C3/0212 ,  C07C2/84 ,  C07C2529/06 ,  C07C2529/48 ,  Y02P20/13 ,  C07C15/00

    摘要： The present invention relates to a method for producing an aromatic hydrocarbon from a C1-C4-alkane, or a mixture of C1-C4-alkanes, which comprises a) bringing a feedstock stream A which comprises a C1-C4-alkane, or a mixture of C1-C4-alkanes, into contact with a catalyst and reacting a part of the C1-C4-alkane, or a part of the mixture of the C1-C4-alkanes, to form aromatic hydrocarbon(s); b) fractionating the product stream B resulting from step a) into a low-boiler stream C which comprises the majority of the hydrogen and of the unreacted C1-C4-alkane, or of the mixture of C1-C4-alkanes, and a high-boiler stream D, or a plurality of high-boiler streams D′, which stream or streams comprises or comprise the majority of the aromatic hydrocarbon formed; and c) feeding the low-boiler stream C to a further C1-C4-alkane-consuming method, if appropriate the hydrogen present in the low-boiler stream C being separated off in advance.

    摘要翻译： 本发明涉及一种由C 1 -C 4烷烃或C 1 -C 4烷烃的混合物制备芳族烃的方法，该方法包括：a）将包含C 1 -C 4烷烃的原料流A或 使C1-C4烷烃的混合物与催化剂接触并使部分C1-C4-烷烃或C1-C4-烷烃混合物的一部分反应形成芳族烃; b）将由步骤a）得到的产物流B分馏成包含大部分氢气和未反应的C 1 -C 4烷烃或C 1 -C 4烷烃混合物的低沸点料流C和高 - 沸腾物流D或多个高沸点物流D'，其流或物流包含或包含形成的大部分芳族烃; 并且c）如果适当，将低沸点物流C进料到另外的C1-C4-烷烃消耗方法中，预先分离出低沸点物流C中存在的氢。