Integrated method for synthesis propylene oxide
    1.
    发明申请
    Integrated method for synthesis propylene oxide 有权
    合成环氧丙烷的综合方法

    公开(公告)号:US20050245751A1

    公开(公告)日:2005-11-03

    申请号:US10526045

    申请日:2003-08-29

    IPC分类号: C07D301/12

    摘要: The present invention relates to an integrated process for the synthesis of propylene oxide, which comprises at least the following steps: (i) dehydrogenation of propane to give a substream T (0) comprising at least propane, propene and hydrogen; (ii) fractionation of the substream T (0) to give at least one gaseous hydrogen-rich substream T (2) and a substream T (1) comprising at least propene and propane; (iii) synthesis of hydrogen peroxide using the substream T (2), giving a substream T (4) which is rich in hydrogen peroxide and a gaseous substream T (6); (iv) fractionation of the substream T (1) to give at least one propane-rich substream T (5) and at least one propene-rich substream T (3); (v) reaction of the at least one substream T (3) with substream T (4) to give propylene oxide.

    摘要翻译: 本发明涉及一种用于合成环氧丙烷的综合方法,其包括至少以下步骤:(i)丙烷脱氢得到至少包含丙烷,丙烯和氢的分支T(O); (ii)分流T(0)以产生至少一个富含气体的气流T(2)和至少包含丙烯和丙烷的子流T(1); (iii)使用子流T(2)合成过氧化氢,得到富含过氧化氢的气流T(4)和气态分支T(6); (iv)分流T(1)以产生至少一个富含丙烷的子流T(5)和至少一个富含丙烯的子流T(3); (v)至少一个子流T(3)与子流T(4)的反应,得到环氧丙烷。

    Integrated method for synthesis propylene oxide
    3.
    发明授权
    Integrated method for synthesis propylene oxide 有权
    合成环氧丙烷的综合方法

    公开(公告)号:US07173143B2

    公开(公告)日:2007-02-06

    申请号:US10526045

    申请日:2003-08-29

    IPC分类号: C07D301/12

    摘要: The present invention relates to an integrated process for the synthesis of propylene oxide, which comprises at least the following steps: (i) dehydrogenation of propane to give a substream T(0) comprising at least propane, propene and hydrogen; (ii) fractionation of the substream T(0) to give at least one gaseous hydrogen-rich substream T(2) and a substream T(1) comprising at least propene and propane; (iii) synthesis of hydrogen peroxide using the substream T(2), giving a substream T (4) which is rich in hydrogen peroxide and a gaseous substream T(6); (iv) fractionation of the substream T(1) to give at least one propane-rich substream T(5) and at least one propene-rich substream T(3); (v) reaction of the at least one substream T(3) with substream T(4) to give propylene oxide.

    摘要翻译: 本发明涉及一种用于合成环氧丙烷的综合方法,其包括至少以下步骤:(i)丙烷脱氢得到至少包含丙烷,丙烯和氢的分支T(O); (ii)分流T(0)以产生至少一个富含气体的气流T(2)和至少包含丙烯和丙烷的子流T(1); (iii)使用子流T(2)合成过氧化氢,得到富含过氧化氢的气流T(4)和气态分支T(6); (iv)分流T(1)以产生至少一个富含丙烷的子流T(5)和至少一个富含丙烯的子流T(3); (v)至少一个子流T(3)与子流T(4)的反应,得到环氧丙烷。

    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:US20080207975A1

    公开(公告)日:2008-08-28

    申请号:US11722367

    申请日:2005-12-20

    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
    8.
    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

    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

    IPC分类号: 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。

    Preparation of acrolein or acrylic acid or a mixture thereof from propane
    10.
    发明申请
    Preparation of acrolein or acrylic acid or a mixture thereof from propane 有权
    从丙烷制备丙烯醛或丙烯酸或其混合物

    公开(公告)号:US20060004226A1

    公开(公告)日:2006-01-05

    申请号:US11131248

    申请日:2005-05-18

    IPC分类号: C07C51/25

    摘要: A process for preparing acrolein or acrylic acid or a mixture thereof from propane, in which the propane is initially dehydrogenated under heterogeneous catalysis to give propene, secondary components are removed and the remaining gas mixture, comprising propane and propene, is subjected to the heterogeneously catalyzed partial oxidation to acrolein or acrylic acid or a mixture thereof as the target product, target product is removed from the product gas mixture and the remaining residual gas, comprising excess oxygen and unconverted propane, is recycled into the propane dehydrogenation in such a way that the other propane fed to the dehydrogenation is at least partly converted under dehydrogenating conditions at the recycle point.

    摘要翻译: 从丙烷制备丙烯醛或丙烯酸或其混合物的方法,其中丙烷最初在非均相催化下脱氢以得到丙烯,次要组分被除去,剩余的包含丙烷和丙烯的气体混合物经历非均相催化 部分氧化成丙烯醛或丙烯酸或其混合物作为目标产物,将目标产物从产物气体混合物中除去,剩余的包含过量氧气和未转化的丙烷的残余气体以这样的方式循环到丙烷脱氢中: 进料到脱氢的其它丙烷在再循环点的脱氢条件下至少部分转化。