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公开(公告)号：US20180065903A1
公开(公告)日：2018-03-08
申请号：US15551839
申请日：2016-01-15
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Keith H. Kuechler , Jörg F.W. Weber , Ashley J. Poucher , Jason D. Davis
CPC classification number: C07C7/08 , C07C7/04 , C07C7/12 , C07C37/80 , C07C37/82 , C07C39/04 , C07C45/79 , C07C45/82 , C07C45/83 , C07C49/403 , C07C2601/14 , C07C13/28
Abstract: In a process for separating a mixture comprising cyclohexanone and phenol, a solid-phase basic material, such as basic ion-exchange resin, is used to remove acid and/or sulfur from the mixture prior to separation. The process results in reduced amount of contamination such as cyclic ethers in the cyclohexanone and/or phenol products.
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公开(公告)号：US09815759B2
公开(公告)日：2017-11-14
申请号：US14800042
申请日：2015-07-15
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Keith H. Kuechler , Francisco M. Benitez , Kun Wang , James R. Lattner , Christopher L. Becker
IPC: C07C49/403 , C07C407/00 , C07C37/82 , C07C37/86 , C07C45/85 , C07C37/08 , C07C39/04
CPC classification number: C07C49/403 , C07C37/08 , C07C37/82 , C07C37/86 , C07C39/04 , C07C45/85 , C07C407/00 , C07C2601/14 , Y02P20/52
Abstract: Disclosed herein is a process for producing phenol. The process includes oxidizing at least a portion of a feed comprising cyclohexylbenzene to produce an oxidation composition comprising cyclohexyl-1-phenyl-1-hydroperoxide. The oxidation composition may then be cleaved in the presence of an acid catalyst to produce a cleavage reaction mixture comprising the acid catalyst, phenol and cyclohexanone. At least a portion of the cleavage reaction mixture may be neutralized with a basic material to form a treated cleavage reaction mixture. In various embodiments, the treated cleavage reaction mixture contains no greater than 50 wppm of the acid catalyst or no greater than 50 wppm of the basic material.
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公开(公告)号：US09464020B2
公开(公告)日：2016-10-11
申请号：US14394208
申请日：2013-04-09
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Keith H. Kuechler , Francisco M. Benitez , Krystle J. Emanuele , Christopher L. Becker , John L. Heidman, Jr.
IPC: C07C45/53 , C07C37/08 , C07C45/83 , C07C37/80 , C07C41/01 , C07C41/56 , C07C43/188 , C07C43/196 , C07C43/317 , B01D3/40 , B01D11/00 , C07C2/74 , C07C407/00 , C09K3/00
CPC classification number: C07C45/83 , B01D3/40 , B01D11/00 , C07C2/74 , C07C37/08 , C07C37/80 , C07C41/01 , C07C41/56 , C07C43/188 , C07C43/196 , C07C43/317 , C07C45/53 , C07C407/00 , C07C2601/14 , C09K3/00 , C07C49/403 , C07C39/04
Abstract: In a process for separating a mixture comprising cyclohexanone and phenol, at least a portion of the mixture is distilled in the presence of a solvent including at least two alcoholic hydroxyl groups attached to non-adjacent saturated carbon atoms and at least one hemiketal defined by the formula (I) or the formula (II): wherein R1, the same or different at each occurrence, is independently an alkylene group having from 2 to 10 carbon atoms, R2 is an alkylene group having from 4 to 10 carbon atoms, and R3 is hydrogen or the following group: and/or an enol-ether derived from the hemiketal defined by the formula (I) or the formula (II), wherein the total concentration of the hemiketal and the enol-ether, expressed in terms of weight percentage on the basis of the total weight of the feed to the distilling step (a), is at least 0.01%.
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公开(公告)号：US09458067B2
公开(公告)日：2016-10-04
申请号：US14373690
申请日：2013-01-28
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Christopher L. Becker , Hari Nair , James R. Lattner , Keith H. Kuechler
IPC: C07C2/74 , C07C5/367 , C07C37/08 , C07C45/53 , C07C407/00
CPC classification number: C07C2/74 , C07C5/367 , C07C37/08 , C07C45/53 , C07C407/00 , C07C2529/08 , C07C2529/18 , C07C2529/70 , C07C2601/14 , Y02P20/582 , C07C409/14 , C07C39/04 , C07C49/403 , C07C13/28
Abstract: In a process for producing cyclohexylbenzene, hydrogen and benzene are introduced to a first hydroalkylation reaction zone which contains a hydroalkylation catalyst and which is operated under at least partly liquid phase conditions sufficient to effect hydroalkylation of benzene to produce a mixed liquid/vapor phase effluent comprising cyclohexylbenzene and unreacted benzene, wherein at least a portion of the unreacted benzene is in the vapor phase. At least a portion of the effluent is cooled to condense a liquid phase stream containing at least some of the cyclohexylbenzene in the effluent portion and leave a residual stream containing at least some of the unreacted benzene and cyclohexylbenzene. At least a portion of the liquid stream is recycled to the first hydroalkylation reaction zone or to contact the mixed phase effluent exiting the first hydroalkylation reaction zone. Other methods of cooling the reaction effluent are disclosed.
Abstract translation: 在生产环己基苯的方法中，将氢和苯引入含有加氢烷基化催化剂的第一加氢烷基化反应区，其在至少部分液相条件下操作，该条件足以使苯进行加氢烷基化以产生混合液/ 环己基苯和未反应的苯，其中至少一部分未反应的苯处于气相。 将至少一部分流出物冷却以冷凝流出物部分中含有至少一些环己基苯的液相物流，并留下含有至少一些未反应的苯和环己基苯的残留物流。 将液体物流的至少一部分再循环到第一加氢烷基化反应区或接触离开第一加氢烷基化反应区的混合相流出物。 公开了冷却反应流出物的其它方法。
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35.发明授权公开(公告)号：US09452965B2
公开(公告)日：2016-09-27
申请号：US14421746
申请日：2013-09-13
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Jihad M. Dakka , Charles Morris Smith , Keith H. Kuechler , Christopher L. Becker , Terry E. Helton , Jason D. Davis , Edmund J. Mozeleski
IPC: C07C45/00 , C07C45/53 , C07C37/08 , C07C1/24 , C07C2/74 , C07C5/03 , C07C407/00 , B01J29/08 , C07C2/66 , C07C5/05
CPC classification number: C07C45/53 , B01J29/08 , C07C1/24 , C07C2/66 , C07C2/74 , C07C5/03 , C07C5/05 , C07C37/08 , C07C407/00 , C07C2529/70 , C07C2601/14 , C07C2601/16 , Y02P20/52 , C07C49/403 , C07C39/04 , C07C13/28 , C07C409/14
Abstract: A process for producing phenol and/or cyclohexanone is described in which cyclohexylbenzene is contacted with an oxygen-containing gas under conditions effective to produce an oxidation effluent comprising cyclohexylbenzene hydroperoxide and at least part of cyclohexylbenzene hydroperoxide is contacted with a cleavage catalyst under conditions effective to produce a cleavage effluent containing phenol and cyclohexanone. At least one of the oxidation effluent and the cleavage effluent contains at least one phenylcyclohexanol as a by-product and the process further comprises contacting the phenylcyclohexanol with a dehydration catalyst comprising a molecular sieve of the MCM-22 family under conditions effective to convert at least part of the phenylcyclohexanol to phenylcyclohexene.
Abstract translation: 描述了一种生产苯酚和/或环己酮的方法，其中环己基苯在有效产生包含环己基苯氢过氧化物的氧化流出物的条件下与含氧气体接触，并且至少部分环己基苯氢过氧化物与裂解催化剂接触， 产生含有酚和环己酮的裂解流出物。 至少一种氧化流出物和裂解流出物含有至少一种作为副产物的苯基环己醇，该方法还包括使苯基环己醇与包含MCM-22族分子筛的脱水催化剂在有效转化至少 部分苯基环己醇与苯基环己烯。
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Patent Agency Ranking
公开(公告)号：US20160251288A1
公开(公告)日：2016-09-01
申请号：US14912569
申请日：2014-08-27
Applicant: EXXONMOBIL CHEMICAL PATENTS INC.
Inventor： Francisco M. Benitez , Christopher L. Becker , Keith H. Kuechler , Jason D. Davis
IPC: C07C37/08 , C07C407/00 , C07C45/00
CPC classification number: C07C37/08 , C07C45/00 , C07C45/53 , C07C407/00 , C07C407/003 , C07C2601/14 , C07C39/04 , C07C49/403 , C07C409/14
Abstract: A process for making phenol and/or cyclohexanone, the process comprising: (A) oxidizing a cyclohexylbenzene feed to obtain an oxidation product comprising cyclohexylbenzene, cyclohexylbenzene hydroperoxide and water; (B) removing at least a portion of the water from at least a portion of the oxidation product to obtain a cleavage feed; and (C) contacting at least a portion of the cyclohexylbenzene hydroperoxide in the cleavage feed with an acid catalyst in a cleavage reactor under cleavage conditions to obtain a cleavage product comprising phenol and cyclohexanone. The removing step may also comprises a step of removing a portion of the cyclohexylbenzene contained in the oxidation product. Water removal may be advantageously conducted in a water flashing drum before a cyclohexylbenzene hydroperoxide concentrator.
Abstract translation: 一种制备苯酚和/或环己酮的方法，该方法包括：（A）氧化环己基苯进料以获得包含环己基苯，环己基苯氢过氧化物和水的氧化产物; （B）从氧化产物的至少一部分去除至少一部分水以获得切割进料; 和（C）在切割反应器中使切割进料中的环己基苯氢过氧化物的至少一部分与酸催化剂在裂解条件下接触，得到包含苯酚和环己酮的裂解产物。 除去步骤还可以包括除去氧化产物中所含的一部分环己基苯的步骤。 在环己基苯氢过氧化物浓缩器之前，可以有利地在清水桶中进行除水。
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公开(公告)号：US09340474B2
公开(公告)日：2016-05-17
申请号：US14439154
申请日：2013-11-22
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Keith H. Kuechler , Jason D. Davis
CPC classification number: C07C29/48 , C07B41/00 , C07C2/66 , C07C2/74 , C07C37/08 , C07C37/74 , C07C45/28 , C07C45/53 , C07C2523/06 , C07C2523/14 , C07C2523/44 , C07C2523/46 , C07C2523/75 , C07C2523/755 , C07C2529/70 , C07C2601/14 , C07C39/04 , C07C49/403 , C07C13/28
Abstract: In a process for producing phenol and/or cyclohexanone, a cleavage reaction mixture containing cyclohexyl-1-phenyl-hydroperoxide and cyclohexylbenzene is contacted with sulfuric acid and water under cleavage conditions effective to form a cleavage reaction effluent containing phenol, cyclohexanone, cyclohexylbenzene, water, sulfuric acid and 1-phenylcyclohexanol. At least a portion of the cleavage reaction effluent is neutralized with a basic material to produce a neutralized cleavage product and at least a portion of the neutralized cleavage product is supplied in the absence of an added dehydration catalyst to a distillation column. The distillation column is operated so that at least a portion of the neutralized cleavage product is exposed to a temperature greater than 70° C. at at least one location in the distillation column whereby at least a portion of the 1-phenylcyclohexanol in the neutralized cleavage product is dehydrated to phenylcyclohexene.
Abstract translation: 在生产苯酚和/或环己酮的方法中，含有环己基-1-苯基 - 氢过氧化物和环己基苯的裂解反应混合物在有效形成裂解反应流出物的裂解条件下与硫酸和水接触，所述裂解反应流出物含有苯酚，环己酮，环己基苯，水 ，硫酸和1-苯基环己醇。 至少一部分裂解反应流出物用碱性物质中和以产生中和的裂解产物，并且在没有加入的脱水催化剂的情况下将至少一部分中和的裂解产物供应到蒸馏塔。 操作蒸馏塔使得至少一部分中和的裂解产物在蒸馏塔中的至少一个位置处暴露于高于70℃的温度，由此中和裂解中的至少一部分1-苯基环己醇 产物脱水成苯基环己烯。
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公开(公告)号：US20150045596A1
公开(公告)日：2015-02-12
申请号：US14375996
申请日：2012-12-05
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Christopher L. Becker , James R. Lattner , Keith H. Kuechler , Hari Nair
CPC classification number: C07C2/74 , C07C5/367 , C07C2529/08 , C07C2529/18 , C07C2529/70 , C07C2529/89 , C07C13/28 , C07C15/04
Abstract: In a process for producing cyclohexylbenzene, benzene is contacted with hydrogen in the presence of a hydroalkylation catalyst under hydroalkylation conditions effective to form a first effluent stream comprising cyclohexylbenzene, cyclohexane, and benzene. At least a portion of the cyclohexane from the first effluent stream is then contacted with hydrogen in the presence of a dehydrogenation catalyst under dehydrogenation conditions effective to convert at least some of the cyclohexane into benzene contained in a second effluent stream. At least some of the hydrogen is supplied to the process so as to contact the dehydrogenation zone (e.g., the dehydrogenation catalyst) before contacting the hydroalkylation catalyst.
Abstract translation: 在生产环己基苯的方法中，苯在氢化烷基化催化剂存在下，在有效形成包含环己基苯，环己烷和苯的第一流出物流的加氢烷基化条件下与氢气接触。 然后，在脱氢催化剂存在下，将有效将至少一些环己烷转化为第二流出物流中所含的苯的脱氢催化剂存在下，将来自第一流出物流的至少一部分环己烷与氢气接触。 在与加氢烷基化催化剂接触之前，将至少一些氢气供给到该方法中以与脱氢区（例如，脱氢催化剂）接触。
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公开(公告)号：US20150005531A1
公开(公告)日：2015-01-01
申请号：US14375967
申请日：2012-11-30
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Christopher L. Becker , James R. Lattner , Keith H. Kuechler , Hari Nair
CPC classification number: C07C2/74 , C07C5/321 , C07C5/367 , C07C37/08 , C07C45/53 , C07C2521/00 , C07C2523/00 , C07C2529/74 , C07C2601/14 , C07C39/04 , C07C49/403 , C07C13/28 , C07C15/04
Abstract: In a process for producing phenol, benzene is hydroalkylated with hydrogen in the presence of a catalyst under conditions effective to produce a hydroalkylation reaction product comprising cyclohexylbenzene and cyclohexane. At least a portion of the cyclohexane from said hydroalkylation reaction product is then dehydrogenated to produce a dehydrogenation effluent comprising benzene, toluene and hydrogen. At least a portion of the dehydrogenation effluent is washed with a benzene-containing stream to transfer at least a portion of the toluene from the dehydrogenation effluent to the benzene-containing stream.
Abstract translation: 在生产苯酚的方法中，在有效产生包含环己基苯和环己烷的加氢烷基化反应产物的条件下，在催化剂存在下，用氢加氢苯。 然后将来自所述加氢烷基化反应产物的至少一部分环己烷脱氢以产生包含苯，甲苯和氢的脱氢流出物。 至少一部分脱氢流出物用含苯物流洗涤，将至少一部分甲苯从脱氢流出物转移到含苯物流中。
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40.发明公开公开(公告)号：US20240226869A1
公开(公告)日：2024-07-11
申请号：US18562477
申请日：2022-05-06
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Xiaoying Bao , Christian A. Diaz Urrutia , Chuansheng Bai , John S. Coleman , Keith H. Kuechler
CPC classification number: B01J38/12 , B01J23/8946 , B01J23/96 , C07C5/3337 , C07C2521/10 , C07C2523/78 , C07C2523/835 , C07C2523/89
Abstract: Processes for regenerating an at least partially deactivated catalyst that can include a Group (10) element, an inorganic support, and a contaminant. The Group (10) element can have a concentration of from 0.001 wt % to 6 wt %, based on the weight of the inorganic support. The process can include (I) heating the deactivated catalyst using a heating gas mixture that includes H2O at a concentration >5 mol %, based on the total moles in the mixture to produce a precursor catalyst. The process can also include (II) providing an oxidative gas that includes ≤5 mol % of H2O, based on the total moles in the oxidative gas, and (III) contacting the precursor catalyst at an oxidizing temperature with the oxidative gas for a duration of at least 30 seconds to produce an oxidized precursor catalyst. The process can also include (IV) obtaining a regenerated catalyst from the oxidized precursor catalyst.
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