PROCESS FOR PRODUCING ETHYLBENZENE
    1.
    发明申请
    PROCESS FOR PRODUCING ETHYLBENZENE 审中-公开
    生产乙苯的方法

    公开(公告)号:WO2017142526A1

    公开(公告)日:2017-08-24

    申请号:PCT/US2016/018245

    申请日:2016-02-17

    CPC classification number: B01J29/0308 C07C2/66 C07C6/126 Y02P20/52 C07C15/073

    Abstract: A process for producing ethylbenzene is described in which benzene and ethylene are supplied to an alkylation reaction zone. Also added to the alkylation reaction zone is a C 3+ olefin in an amount of at least 200 ppm by weight of the ethylene supplied to the alkylation reaction zone. The benzene, ethylene and C 3+ olefin are contacted with an alkylation catalyst in the alkylation reaction zone to alkylate at least part of the benzene and produce an alkylation effluent comprising ethylbenzene, polyethylated benzene and at least one mono-C 3+ alkyl benzene. The alkylation effluent is separated into a first product fraction comprising ethylbenzene and a second fraction comprising polyethylated benzene and the at least one mono-C 3+ alkyl benzene. The second fraction is then contacted with benzene in the presence of a transalkylation catalyst to convert at least part of the polyethylated benzene to ethylbenzene and produce a transalkylation effluent.

    Abstract translation: 描述了一种生产乙苯的方法,其中将苯和乙烯供应到烷基化反应区。 还向烷基化反应区中加入的C 3+烯烃的量为供给烷基化反应区的乙烯的至少200重量ppm。 苯,乙烯和C 3+烯烃在烷基化反应区中与烷基化催化剂接触以烷基化至少部分苯并产生烷基化流出物,其包含乙苯,聚乙基苯和至少一种单 -C≡3+烷基苯。 烷基化流出物被分离成包含乙苯的第一产物馏分和包含聚乙基化苯和至少一种单C 3+烷基苯的第二馏分。 然后第二部分在烷基转移催化剂存在下与苯接触,将至少部分聚乙基化苯转化为乙苯并产生烷基转移流出物。

    PROCESS FOR PRODUCING PHENOL
    2.
    发明申请
    PROCESS FOR PRODUCING PHENOL 审中-公开
    生产苯酚的方法

    公开(公告)号:WO2014011359A1

    公开(公告)日:2014-01-16

    申请号:PCT/US2013/046056

    申请日:2013-06-17

    Inventor: BIRKHOFF, Ronald

    Abstract: In a process for producing phenol, benzene is contacted with a C3 alkylating agent comprising isopropanol under alkylation conditions such that at least part of the isopropanol reacts with the benzene to produce cumene. At least part of the resultant cumene is then oxidized in the presence of an oxidizing gas to produce an oxidation effluent comprising cumene hydroperoxide, unreacted cumene and a spent oxidizing gas. The unreacted cumene is separated from the oxidation effluent and is treated to remove nitrogenous impurities therefrom and produce a purified cumene stream, which is recycled to the oxidization step. At least part of the cumene hydroperoxide from the oxidation effluent is cleaved to produce a cleavage effluent comprising phenol and acetone. The phenol is recovered phenol from the cleavage effluent, whereas at least part of the acetone from the cleavage effluent is hydrogenated to produce isopropanol for recycle to the alkylation step.

    Abstract translation: 在生产苯酚的方法中,苯在烷基化条件下与包含异丙醇的C3烷基化剂接触,使得至少部分异丙醇与苯反应产生枯烯。 然后在氧化气体的存在下将所得异丙基苯的至少一部分氧化以产生包含氢过氧化枯烯,未反应的枯烯和废氧化气体的氧化流出物。 将未反应的异丙基苯与氧化流出物分离,并进行处理以从其中除去含氮杂质,并产生纯化的枯烯物流,将其再循环至氧化步骤。 来自氧化流出物的至少部分氢过氧化枯烯被切割以产生包含苯酚和丙酮的裂解流出物。 苯酚是从裂解流出物中回收的苯酚,而来自裂解流出物的至少部分丙酮被氢化以产生异丙醇以再循环到烷基化步骤。

    PROCESS FOR PRODUCING CUMENE
    3.
    发明申请
    PROCESS FOR PRODUCING CUMENE 审中-公开
    生产过程的方法

    公开(公告)号:WO2014003732A1

    公开(公告)日:2014-01-03

    申请号:PCT/US2012/044313

    申请日:2012-06-27

    Abstract: A process is described for producing cumene comprising contacting benzene and a C3 alkylating agent under alkylation conditions with an alkylation catalyst in an alkylation zone to produce an alkylation effluent comprising cumene and alkylaromatic compounds heavier than cumene. Cumene is recovered from the alkylation effluent to leave a byproduct stream containing the alkylaromatic compounds heavier than cumene, which is separated into a polyisopropylbenzene-containing stream, an aromatic overhead stream, and a bottoms product. At least part of the aromatic overhead stream is recycled to the alkylation zone to reduce raw material consumption and improve cumene yield.

    Abstract translation: 描述了一种用于生产异丙苯的方法,包括在烷基化条件下使烷基化烷基化剂与烷基化催化剂在烷基化区中接触,以产生烷基化流出物,其包含异丙基苯和比枯烯重的烷基芳族化合物。 从烷基化流出物回收枯烯,留下含有比枯烯重的烷基芳族化合物的副产物流,将其分离成含聚异丙基苯的物流,芳烃塔顶馏出物和塔底产物。 芳族塔顶馏分的至少一部分被再循环到烷基化区以减少原料消耗并改善枯烯产率。

    TREATMENT OF BISPHENOL-A RESIDUE STREAMS
    4.
    发明申请
    TREATMENT OF BISPHENOL-A RESIDUE STREAMS 审中-公开
    双酚A残留流的处理

    公开(公告)号:WO2012170327A1

    公开(公告)日:2012-12-13

    申请号:PCT/US2012/040676

    申请日:2012-06-04

    Abstract: In a method of treating a residue stream from the production of bisphenol-A, the residue stream is contacted with an aqueous solution of a base under conditions effective to hydrolyze at least part of said residue stream into acetone and phenol and produce an effluent stream. Acetone is recovered from the effluent stream to produce a phenol-containing mixed phase stream which is substantially free of acetone and which contains water and unhydrolyzed heavy organic compounds. The phenol-containing mixed phase stream is then treated with a water-immiscible organic solvent to extract phenol and unhydrolyzed heavy organic compounds into said solvent and produce an organic phase containing the solvent, phenol and unhydrolyzed heavy aromatic compounds and an aqueous phase with reduced concentrations of phenol and unhydrolyzed heavy organic compounds. At least part of the phenol and the organic solvent are subsequently recovered from the organic phase.

    Abstract translation: 在从生产双酚A处理残余物流的方法中,使残余物流与碱的水溶液接触,在有效地将至少部分所述残余物流水解成丙酮和苯酚并产生流出物流的条件下进行。 从流出物流中回收丙酮以产生基本上不含丙酮并含有水和未水解的重质有机化合物的含苯酚混合物流。 然后用与水不混溶的有机溶剂处理含苯酚的混合相物流,将苯酚和未水解的重质有机化合物提取到所述溶剂中,并产生含有溶剂,苯酚和未水解的重芳族化合物的有机相和浓度降低的水相 的苯酚和未水解的重质有机化合物。 随后从有机相中回收苯酚和有机溶剂的至少一部分。

    BISPHENOL-A PLANT YIELD ENHANCEMENT
    6.
    发明申请
    BISPHENOL-A PLANT YIELD ENHANCEMENT 审中-公开
    双酚A植物提高

    公开(公告)号:WO2007044139A1

    公开(公告)日:2007-04-19

    申请号:PCT/US2006/033084

    申请日:2006-08-24

    Abstract: An improved process is provided for producing bisphenol-A (BPA) comprising steps of (1) contacting benzene and a C 3 alkylating agent, e.g. propylene, isopropanol or propyl chloride, under alkylation conditions with an alkylation catalyst in a reaction zone to produce an alkylation effluent comprising cumene; (2) oxidizing the cumene from step (1) to produce the corresponding hydroperoxide; (3) cleaving the hydroperoxide from step (2), to produce product comprising phenol and acetone; (4) reacting acetone with a stoichiometric excess of phenol under acidic conditions, possibly in the presence of a cocatalyst or promoter, e.g. a thiol compound, to form a reaction product stream comprising crude bisphenol-A product, unreacted phenol, possibly unreacted acetone, possibly cocatalyst or promoter, water of condensation, and other reaction byproducts; (5) distilling in single or multistage the reaction product stream from step (4) to distill off a volatilized unreacted phenol stream, possibly an unreacted acetone stream, possibly a stream containing cocatalyst or promoter if present in step (4), and the water of condensation, while sending downstream to a BPA- phenol adduct crystallization and purification step, said purification step comprising one or more solid-liquid separation and wash steps, the resulting concentrated BPA phenolic feed stream consisting essentially of phenol in which the bisphenol-A and byproducts have been concentrated; (6) producing BPA- phenol adduct crystals by crystallization of the concentrated BPA phenolic feed stream in said crystallization, solid-liquid separation and wash steps with cooling for said crystallization by vaporization of an alkane hydrocarbon or mixture of hydrocarbons containing from 4 to 6 carbons, e.g. pentane; (7) separating the BPA-phenol adduct crystals by solid-liquid separation, such as, for example, by centrifugation or filtration, and washing same in one or multiple stages with a wash phenol stream which may include at least a portion of the volatilized unreacted phenol stream recovered from step (5), or spent wash or mother liquor from subsequent crystallization, solid-liquid separation, and wash steps, to produce final washed BPA-phenol adduct, final spent wash and final mother liquor; (8) cracking a stream comprising at least a portion, for example from about 0.5 to about 20 wt.%, preferably from about 1 to about 10 wt.%, more preferably from about 2 to about 7 wt.%, of said final mother liquor of step (7) in a reactor with basic or acidic cracking catalyst, for example caustic or aluminum chloride, under cracking conditions selected to recover a product comprising from about 60 to about 90 wt.% of said portion of said mother liquor stream as phenol having a purity level of from about 95 to about 100 wt.%, and from about 10 to about 40 wt.% of said cracked stream as heavy residue byproduct; and (9) recovering and feeding the phenol product of step (8) to step (4) and/or step (7).

    Abstract translation: 提供了用于生产双酚-A(BPA)的改进方法,包括以下步骤:(1)使苯和C 3 N 3烷基化试剂例如 丙烯,异丙醇或丙基氯,在烷基化条件下与反应区中的烷基化催化剂反应生成包含枯烯的烷基化流出物; (2)从步骤(1)氧化枯烯以产生相应的氢过氧化物; (3)从步骤(2)中切割氢过氧化物,以产生包含苯酚和丙酮的产物; (4)在酸性条件下,可能在助催化剂或助催化剂存在下,使丙酮与化学计量过量的苯酚反应。 形成包含粗双酚-A产物,未反应苯酚,可能未反应的丙酮,可能的助催化剂或助催化剂,缩合的水和其它反应副产物的反应产物流; (5)单步或多步地蒸馏步骤(4)的反应产物流,以蒸馏掉挥发的未反应苯酚物流,可能未反应的丙酮物流,可能含有助催化剂或助催化剂的物流(如果存在于步骤(4)),并且水 的缩合,同时向下游送入BPA-苯酚加合物结晶和纯化步骤,所述纯化步骤包括一个或多个固液分离和洗涤步骤,所得浓缩的BPA酚类进料流基本上由酚组成,其中双酚A和 副产品已经集中; (6)通过在所述结晶,固液分离和洗涤步骤中结晶浓缩的BPA酚进料流产生BPA-苯酚加合物晶体,冷却所述结晶,通过蒸发含有4至6个碳原子的烃或烃的混合物 ,例如 戊烷; (7)通过固液分离(例如通过离心或过滤)分离BPA-苯酚加合物晶体,并用洗涤苯酚流在一个或多个阶段洗涤,其可以包括至少一部分挥发的 从步骤(5)回收的未反应的苯酚流,或用于后续结晶,固液分离和洗涤步骤的废洗涤液或母液,以产生最终洗涤的BPA-苯酚加合物,最终洗涤和最终母液; (8)裂化含有至少一部分的物流,例如约0.5至约20重量%,优选约1至约10重量%,更优选约2至约7重量%的所述最终 在具有碱性或酸性裂化催化剂,例如苛性碱或氯化铝的反应器中的步骤(7)的母液在选择的回收产物的条件下回收包含所述母液流的所述部分的约60至约90重量% 作为具有约95至约100重量%的纯度水平的苯酚和约10至约40重量%的作为重残余副产物的所述裂化物流; 和(9)将步骤(8)的苯酚产物回收和进料至步骤(4)和/或步骤(7)。

    PRODUCTION OF ALKYLAROMATIC COMPOUNDS
    9.
    发明申请
    PRODUCTION OF ALKYLAROMATIC COMPOUNDS 审中-公开
    生产烷基化合物

    公开(公告)号:WO2017065771A1

    公开(公告)日:2017-04-20

    申请号:PCT/US2015/055690

    申请日:2015-10-15

    Inventor: OLEKSY, Slawomir

    CPC classification number: C07C2/66 C07C2529/70 C07C15/085

    Abstract: In a method for producing a monoalkylated aromatic product, benzene and an alkylating agent are contacted with an alkylation catalyst in a first alkylation reaction zone under alkylation conditions to produce a first alkylation effluent comprising the monoalkylated aromatic product, polyalkylated aromatic product, unreacted benzene and C5, C6 and/or C7 non-aromatic compounds. A purge stream containing C5, C6 and/or C7 non-aromatic compounds and unreacted benzene is removed from the first alkylation effluent and is contacted with an alkylating agent in a second alkylation reaction zone in the presence of an alkylation catalyst under alkylation conditions to produce a second alkylation effluent comprising monoalkylated aromatic product, polyalkylated aromatic product and C5, C6 and/or C7 non-aromatic compounds. The monoalkylated aromatic product is recovered from the first and second alkylation effluents and at least part of the C5, C6 and/or C7 non-aromatic compounds in the second alkylation effluent is purged.

    Abstract translation: 在生产单烷基化芳族产物的方法中,苯和烷基化剂与烷基化催化剂在烷基化条件下在第一烷基化反应区中接触以产生包含单烷基化芳族产物的第一烷基化流出物, 多烷基化的芳族产物,未反应的苯和C5,C6和/或C7非芳族化合物。 含有C5,C6和/或C7非芳族化合物和未反应苯的吹扫物流从第一烷基化流出物中除去,并在烷基化条件下在烷基化催化剂存在下与第二烷基化反应区中的烷基化剂接触以产生 包含单烷基化芳族产物,多烷基化芳族产物和C5,C6和/或C7非芳族化合物的第二烷基化流出物。 单烷基化芳族产物从第一和第二烷基化流出物中回收,并且清除第二烷基化流出物中的至少部分C5,C6和/或C7非芳族化合物。

    PROCESS FOR REDUCING THE BENZENE CONTENT GASOLINE
    10.
    发明申请
    PROCESS FOR REDUCING THE BENZENE CONTENT GASOLINE 审中-公开
    降低苯并呋喃含量汽油的方法

    公开(公告)号:WO2013028215A1

    公开(公告)日:2013-02-28

    申请号:PCT/US2011/062635

    申请日:2011-11-30

    Abstract: A process is described for alkylating benzene contained in a refinery gasoline stream, in which the refinery gasoline stream is contacted with an alkylating agent comprising one or more C2 to C5 olefins in an alkylation reaction zone under alkylation conditions to produce an alkylated effluent. The alkylation reaction zone comprises at least a first alkylation reaction stage and a second alkylation reaction stage and a portion of said alkylating agent is fed to each of said first and second alkylation reaction stages so that, although the molar ratio of alkylatable aromatic to alkylating agent in the total feed to the alkylation reaction zone is less than 1, the molar ratio of alkylatable aromatic to alkylating agent at the inlet of each of the first and second alkylation reaction stages is at least 1.0..

    Abstract translation: 描述了一种用于烷基化炼制汽油流中所含的苯的方法,其中炼制汽油流在烷基化反应区在烷基化条件下与包含一个或多个C 2至C 5烯烃的烷基化剂接触以产生烷基化流出物。 烷基化反应区包含至少第一烷基化反应阶段和第二烷基化反应阶段,并且将所述烷基化剂的一部分进料至所述第一烷基化反应阶段和第二烷基化反应阶段,使得尽管可烷基化芳族化合物与烷基化剂的摩尔比 在烷基化反应区的进料总量小于1时,第一和第二烷基化反应阶段的入口处的可烷基化芳族化合物与烷基化剂的摩尔比为至少1.0。

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