公开(公告)号：US09656934B2

公开(公告)日：2017-05-23

申请号：US14892513

申请日：2014-06-06

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Hari Nair ,  Christopher L. Becker ,  Karen S. Nimmo ,  James R. Lattner ,  Francisco M. Benitez ,  Charles Morris Smith

IPC: C07C45/53 ,  C07C37/08 ,  C07C2/74 ,  C07C407/00

CPC classification number: C07C37/08 ,  C07C2/74 ,  C07C45/53 ,  C07C407/00 ,  C07C2601/14 ,  C07C13/28 ,  C07C39/04 ,  C07C49/403 ,  C07C409/14

Abstract: In a process for producing phenol, a cleavage feed comprising cyclohexylbenzene hydroperoxide is supplied to a cleavage reaction zone and a cleavage reaction mixture comprising the cleavage feed is contacted in the cleavage reaction zone with a solid acid catalyst under conditions effective to produce a cleavage effluent comprising phenol and cyclohexanone. The cleavage effluent is then divided into at least a cleavage product and a cleavage recycle and the cleavage recycle and a polar solvent is supplied to the cleavage reaction zone to produce the cleavage reaction mixture with the cleavage feed. Preferably, the polar solvent is combined with the cleavage recycle before being charged into the cleavage reaction zone.

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。

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

IPC: C07C2/74 ,  C07C5/367

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。

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

IPC: C07C2/74 ,  C07C45/53 ,  C07C5/32 ,  C07C37/08

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。