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31.发明申请公开(公告)号：US20180258020A1
公开(公告)日：2018-09-13
申请号：US15757070
申请日：2016-11-22
Applicant: Sabic Global Technologies B.V.
Inventor： Mark Erik Nelson , Ahmed Abouelfetouh Youssef
CPC classification number: C07C37/005 , C07C37/08 , C07C37/20 , C07C37/685 , C07C37/74 , C07C37/80 , C07C37/84 , C07C39/04 , C07C39/16
Abstract: In an embodiment, a method of recovering an unreacted phenol from a bisphenol A production facility comprises reacting an initial phenol and an initial acetone in the presence of a catalyst to produce a bisphenol A stream comprising the unreacted phenol of the initial phenol and a bisphenol A, separating a purge stream comprising the unreacted phenol, and wherein the unreacted phenol is present in the purge stream in an amount of 60 to 90 wt %, based on the total weight of the purge stream; adding the purge stream to a phenol purification section of a phenol production facility; and forming a purified phenol outlet stream in the phenol purification section, wherein the purified phenol outlet stream comprises a total phenol concentration of greater than or equal to 99.5 wt % based on the total weight of the purified phenol outlet stream.
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公开(公告)号：US10047030B2
公开(公告)日：2018-08-14
申请号：US15501184
申请日：2015-08-07
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Abstract: The disclosure concerns methods comprising forming a phenol and acetone mixture from decomposition of a cumene hydroperoxide or a phenol, acetone, and AMS from the decomposition of a mixture containing dicumyl peroxide in a system comprising one or more reactors where at least a portion of an inner surface of the one or more reactors has a polymer coating and wherein the coating inhibits build-up of a fouling precipitate on the coated inner surface of the one or more reactors as compared to such build-up in the absence of the coating.
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公开(公告)号：US10017440B2
公开(公告)日：2018-07-10
申请号：US15501188
申请日：2015-08-06
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: C07C37/08 , B01J19/0006 , B01J19/245 , B01J2219/00051 , B01J2219/00162 , B01J2219/00164 , B01J2219/24 , C07C2/66 , C07C45/53 , C07C407/00 , C07C2529/06 , C07C2601/14 , C08G64/38 , C07C49/08 , C07C39/04 , C07C409/14 , C07C15/073 , C07C15/107 , C07C15/02 , C07C15/085
Abstract: A method of producing phenol and acetone can include: alkylating benzene with a C2-6 alkyl source in the presence of a zeolite catalyst to produce a C8-12 alkylbenzene; oxidizing the C8-12 alkylbenzene in the presence of an oxygen containing gas to produce a C8-12 alkylbenzene hydroperoxide; cleaving decomposing the C8-12 alkylbenzene hydroperoxide in the presence of an acid catalyst to produce phenol, a C3-6 ketone, and undesirable side products such as, but not limited to acetaldehyde, DMBA, acetophenone, AMS, AMS dimers, unidentified heavies, or a combination including at least one of the foregoing; and monitoring a concentration of the C8-12 alkylbenzene hydroperoxide in a process stream of a reactor in real time at a temperature and a pressure of the process stream; and in real time, controlling a parameter of the reactor and/or the cleaving decomposing in response to the concentration of the C8-12 alkylbenzene hydroperoxide.
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公开(公告)号：US20170233319A1
公开(公告)日：2017-08-17
申请号：US15501188
申请日：2015-08-06
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: C07C37/08 , B01J19/0006 , B01J19/245 , B01J2219/00051 , B01J2219/00162 , B01J2219/00164 , B01J2219/24 , C07C2/66 , C07C45/53 , C07C407/00 , C07C2529/06 , C07C2601/14 , C08G64/38 , C07C49/08 , C07C39/04 , C07C409/14 , C07C15/073 , C07C15/107 , C07C15/02 , C07C15/085
Abstract: A method of producing phenol and acetone can comprise: alkylating benzene with a C2-6 alkyl source in the presence of a zeolite catalyst to produce a C8-12 alkylbenzene; oxidizing the C8-12 alkylbenzene in the presence of an oxygen containing gas to produce a C8-12 alkylbenzene hydroperoxide; cleaving decomposing the C8-12 alkylbenzene hydroperoxide in the presence of an acid catalyst to produce phenol, a C3-6 ketone, and undesirable side products such as, but not limited to acetaldehyde, DMBA, acetophenel one, AMS, AMS dimers, unidentified heavies, or a combination comprising at least one of the foregoing; and monitoring a concentration of the C8-12 alkylbenzene hydroperoxide in a process stream of a reactor in real time at a temperature and a pressure of the process stream; and in real time, controlling a parameter of the reactor and/or the cleaving decomposing in response to the concentration of the C8-12 alkylbenzene hydroperoxide.
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