Method for recovering propylene oxide
    1.
    发明申请
    Method for recovering propylene oxide 审中-公开
    回收氧化丙烯的方法

    公开(公告)号:US20050085648A1

    公开(公告)日:2005-04-21

    申请号:US10504537

    申请日:2003-02-12

    CPC分类号: C07D301/32 Y02P20/52

    摘要: A method for recovering propylene oxide, which comprises separating propylene oxide from a liquid mixture containing propylene oxide, cumene and cumyl alcohol through distillation using a distillation column, wherein the bottom temperature of the distillation column is 190° C. or lower.

    摘要翻译: 回收环氧丙烷的方法,其包括使用蒸馏塔通过蒸馏从含有环氧丙烷,枯烯和枯基醇的液体混合物中分离环氧丙烷,其中蒸馏塔的底部温度为190℃或更低。

    Molded catalyst, process for producing molded catalyst, and process for producing oxirane compound
    3.
    发明授权
    Molded catalyst, process for producing molded catalyst, and process for producing oxirane compound 有权
    成型催化剂,成型催化剂的制造方法,环氧乙烷化合物的制造方法

    公开(公告)号:US06838570B2

    公开(公告)日:2005-01-04

    申请号:US10181984

    申请日:2001-01-29

    摘要: A titanium-containing silicon oxide molded catalyst satisfying all of the following conditions (1) to (4): (1) an average pore diameter is 10 Å or more, (2) 90% or more of the whole pore volume have pore diameters of 5 to 200 Å, (3) a specific pore volume is 0.2 cm3/g or more, and (4) it is obtained by using as a template a quaternary ammonium ion of the following general formula (I) or an amine of the following general formula (II), then, removing the template. [NR1R2R3R4]+  (I) (in the formula (I), R1 represents a linear or branched hydrocarbon group having 2 to 36 carbon atoms, and R2 to R4 represent an alkyl group having 1 to 6 carbon atoms.) NR5R6R7  (II) (in the formula (II), R5 represents a linear or branched hydrocarbon group having 2 to 36 carbon atoms, and R6 and R7 represent hydrogen or an alkyl group having 1 to 6 carbon atoms.).

    摘要翻译: 满足以下条件(1)〜(4):(1)的平均孔径的含钛氧化硅成型催化剂为10以上,(2)整个孔体积的90%以上具有孔径 为5〜200埃,(3)比孔体积为0.2cm 3 / g以上,(4)以下述通式(I)表示的季铵离子或 (II)的胺,然后除去模板(式(I)中,R 1表示碳原子数2〜36的直链状或支链状的烃基,R 2〜 (式中,R 5表示碳原子数为2〜36的直链状或支链状的烃基,R 6和R 7表示碳原子数1〜6的烷基。 代表氢或具有1至6个碳原子的烷基。

    Titanium-containing silicon oxide catalyst
    4.
    发明授权
    Titanium-containing silicon oxide catalyst 有权
    含钛氧化硅催化剂

    公开(公告)号:US06323147B1

    公开(公告)日:2001-11-27

    申请号:US09364268

    申请日:1999-07-30

    IPC分类号: B01J2906

    摘要: A titanium-containing silicon oxide catalyst satisfying all of the following conditions (1) to (4): (1): an average pore size of 10 Å or more, (2): a pore size of 90% or more of the total pore volume of 5 to 200 Å, (3): a specific pore volume of 0.2 cm3/g or more, and (4): a quarternary ammonium ion represented by the following general formula (I) is used as a template and then said template is removed by solvent extraction operation; [NR1R2R3R4]+  (I) wherein, R1 represents a linear or branched hydrocarbon chain having 2 to 36 carbon atoms, and R2 to R4 represent an alkyl group having 1 to 6 carbon atoms, a method for producing said catalyst, and a method for producing propylene oxide by reacting propylene with a hydroperoxide, except for ethylbenzene hydroperoxide, in the presence of said catalyst.

    摘要翻译: 满足以下所有条件(1)〜(4):(1)的含钛氧化硅催化剂:平均孔径为10以上,(2):孔径为总计的90%以上 孔体积为5〜200,(3):比孔体积为0.2cm 3 / g以上,(4):以下述通式(I)表示的季铵离子作为模板, 通过溶剂萃取操作除去模板;其中,R1表示碳原子数2〜36的直链或支链烃链,R2〜R4表示碳原子数1〜6的烷基,所述催化剂的制造方法, 用于在所述催化剂存在下,通过丙烯与氢过氧化物反应制备环氧丙烷,除了乙苯氢过氧化物。

    Process for producing propylene oxide
    5.
    发明授权
    Process for producing propylene oxide 失效
    生产环氧丙烷的方法

    公开(公告)号:US07705166B2

    公开(公告)日:2010-04-27

    申请号:US10572878

    申请日:2004-09-16

    IPC分类号: C07D301/19

    摘要: A process for producing propylene oxide, which comprises the following steps: oxidation step: a step of obtaining cumene hydroperoxide by oxidizing cumene; epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting cumene hydroperoxide obtained in the oxidation step with propylene; and conversion step: a step of obtaining cumene by subjecting cumyl alcohol obtained in the epoxidation step to hydrogenation-containing reaction and recycling the cumene to the oxidation step, wherein a concentration of 1,2-epoxy-2-phenylpropane contained in the reaction mixture after the oxidation step, is 1% by weight or less.

    摘要翻译: 一种生产环氧丙烷的方法,包括以下步骤:氧化步骤:通过氧化枯烯得到氢过氧化枯烯的步骤; 环氧化步骤:通过使在氧化步骤中获得的氢过氧化枯烯与丙烯反应获得环氧丙烷和异丙苯的步骤; 和转化步骤:通过将在环氧化步骤中得到的枯烯醇进行含氢反应并将异丙苯再循环到氧化步骤而获得枯烯的步骤,其中反应混合物中所含的1,2-环氧-2-苯基丙烷的浓度 氧化步骤后,为1重量%以下。

    Method Of Purifying Propylene Oxide
    6.
    发明申请
    Method Of Purifying Propylene Oxide 失效
    纯化环氧丙烷的方法

    公开(公告)号:US20080035468A1

    公开(公告)日:2008-02-14

    申请号:US11570615

    申请日:2005-06-21

    IPC分类号: C07D301/32

    CPC分类号: C07D303/04 C07D301/32

    摘要: A method of purifying propylene oxide, which comprises subjecting the propylene oxide containing methyl formate as an impurity to extractive distillation using a hydrocarbon of 7 to 10 carbon atoms as an extractant with an extractive distillation column, adding water to the distillate from the overhead of the extractive distillation column to conduct oil-water separation, recycling the oil layer separated to the extractive distillation column, removing the aqueous layer outside the system thereby to obtain propylene oxide in which a methyl formate concentration is reduced as a bottom liquid of the extractive distillation column.

    摘要翻译: 一种净化环氧丙烷的方法,其包括使用含有7〜10个碳原子的烃作为萃取蒸馏塔的含有甲酸甲酯的环氧丙烷作为杂质进行萃取蒸馏,从馏出物的塔顶馏出物向馏出液中加入水 萃取蒸馏塔进行油水分离,将分离的油层再循环到萃取蒸馏塔,除去体系外的水层,得到甲酸甲酯浓度降低的环氧丙烷,作为萃取蒸馏塔的底部液体 。

    Process for producing cumene
    7.
    发明授权
    Process for producing cumene 失效
    异丙苯生产工艺

    公开(公告)号:US07319177B2

    公开(公告)日:2008-01-15

    申请号:US10540029

    申请日:2003-12-16

    IPC分类号: C07C4/02

    摘要: A process for producing cumene, which comprises supplying cumyl alcohol and hydrogen to a dehydration catalyst to obtain a mixture containing α-methyl styrene and water produced and hydrogen, and supplying the mixture to a hydrogenation catalyst.

    摘要翻译: 一种生产枯烯的方法,其包括向脱水催化剂中提供枯烯醇和氢气,以获得含有α-甲基苯乙烯和所产生的水的混合物,并将该混合物供给氢化催化剂。

    Process for producing cumene
    8.
    发明申请
    Process for producing cumene 失效
    异丙苯生产工艺

    公开(公告)号:US20060183926A1

    公开(公告)日:2006-08-17

    申请号:US10540029

    申请日:2003-12-16

    IPC分类号: C07D301/19 C07C1/20

    摘要: A process for producing cumene, which comprises supplying cumyl alcohol and hydrogen to a dehydration catalyst to obtain a mixture containing α-methyl styrene and water produced and hydrogen, and supplying the mixture to a hydrogenation catalyst.

    摘要翻译: 一种生产枯烯的方法,其包括向脱水催化剂中提供枯烯醇和氢气,以获得含有α-甲基苯乙烯和所产生的水的混合物,并将该混合物供给氢化催化剂。

    Process for producing propylene oxide
    9.
    发明授权
    Process for producing propylene oxide 有权
    生产环氧丙烷的方法

    公开(公告)号:US6096910A

    公开(公告)日:2000-08-01

    申请号:US364267

    申请日:1999-07-30

    摘要: A process for producing propylene oxide by reacting propylene with ethylbenzene hydroperoxide in the presence of a titanium-containing silicon oxide catalyst satisfying all of the following conditions (1) to (4):(1): an average pore size of 10 .ANG. or more,(2): a pore size of 90% or more of the total pore volume of 5 to 200 .ANG.,(3): a specific pore volume of 0.2 cm.sup.3 /g or more, and(4): a quarternary ammonium ion represented by the following general formula (I) is used as a template and then said template is removed by solvent extraction operation;[NR.sup.1 R.sup.2 R.sup.3 R.sup.4 ].sup.+ (I) wherein, R.sup.1 represents a linear or branched hydrocarbon chain having 2 to 36 carbon atoms, and R.sup.2 to R.sup.4 represent an alkyl group having 1 to 6 carbon atoms.

    摘要翻译: 一种在满足以下所有条件(1)至(4)的含钛氧化硅催化剂的存在下,使丙烯与乙苯氢过氧化物反应生产环氧丙烷的方法:(1):平均孔径为10以上 ,(2):总孔体积的孔径为5〜200的孔径,(3):比表面积体积为0.2cm 3 / g以上,(4):表示的季铵离子 通过以下通式(I)作为模板,然后通过溶剂提取操作除去所述模板; [NR1R2R3R4] +(Ⅰ)其中,R1表示碳原子数2〜36的直链或支链烃链,R2表示 R 4表示碳原子数1〜6的烷基。

    PROCESS FOR PRODUCING PROPYLENE OXIDE
    10.
    发明申请
    PROCESS FOR PRODUCING PROPYLENE OXIDE 有权
    生产丙烯氧化物的方法

    公开(公告)号:US20100145081A1

    公开(公告)日:2010-06-10

    申请号:US11997965

    申请日:2006-08-22

    IPC分类号: C07D301/19

    CPC分类号: C07D301/14 C07D303/04

    摘要: A process for producing propylene oxide, which comprises supplying an organic peroxide and propylene to an epoxidation reactor in which a solid catalyst is packed thereby continuously producing propylene oxide through epoxidation reaction, wherein said process comprises cooling at least a part of the propylene before supplying to separate and remove water contained in the propylene, and supplying the propylene in which water has been separated and removed to the epoxidation reactor.

    摘要翻译: 一种生产环氧丙烷的方法,其包括将有机过氧化物和丙烯供给到其中填充固体催化剂的环氧化反应器中,由此通过环氧化反应连续生产环氧丙烷,其中所述方法包括在供应至少一种丙烯之前冷却至少一部分丙烯 分离并除去丙烯中所含的水,并将已经将水分离和除去的丙烯供给到环氧化反应器中。