-
公开(公告)号：US11760704B2
公开(公告)日：2023-09-19
申请号：US17630000
申请日：2020-08-17
IPC分类号： C07C5/48 , C07C27/12 , C07C51/215 , C07C45/28 , C07C51/21
CPC分类号： C07C5/48 , C07C27/12 , C07C45/28 , C07C51/21 , C07C51/215 , C07C2523/20 , C07C2523/22 , C07C2523/28 , C07C2523/32 , C07C2523/44 , C07C2523/648
摘要： A system and method for coproduction in the production of ethylene, including contacting ethane with an oxidative dehydrogenation (ODH) catalyst in presence of oxygen in a first reactor to dehydrogenate ethane to ethylene, and contacting a first-reactor effluent with an ODH catalyst in a second reactor to form ethanol and acetaldehyde.
-
公开(公告)号：US20230271169A1
公开(公告)日：2023-08-31
申请号：US18134487
申请日：2023-04-13
申请人： LG CHEM, LTD.
发明人： Ara CHO , Young Chang Byun , Gyo Hyun Hwang , Jungup Bang , Cheolock Song
IPC分类号： B01J23/887 , B01J35/02 , B01J37/00 , B01J37/03 , C07C5/48
CPC分类号： B01J23/8876 , B01J35/023 , B01J37/0036 , B01J37/009 , B01J37/03 , C07C5/48 , C07C11/167
摘要： The present invention relates to a catalyst for oxidative dehydrogenation of butene and a method for producing the same. The catalyst for oxidative dehydrogenation of butene has a large amount of Mo—Bi phase acting as a reaction active phase on the surface, and therefore, can exhibit high catalytic activity, high conversion rate and high butadiene selectivity in the oxidative dehydrogenation of butene.
-
公开(公告)号：US20230257327A1
公开(公告)日：2023-08-17
申请号：US18307619
申请日：2023-04-26
发明人： Kevin Blann , Alexey Kirilin , Andrzej Malek , Victor Sussman , Matthew T. Pretz , Brien A. Stears , Barry B. Fish , Eric E. Stangland , Brian W. Goodfellow , Manish Sharma
CPC分类号： C07C5/48 , B01J21/04 , B01J21/06 , B01J21/10 , B01J23/08 , B01J23/26 , B01J23/42 , C07C2521/04 , C07C2521/06 , C07C2521/10 , C07C2523/08 , C07C2523/26 , C07C2523/42
摘要： According to one or more embodiments described herein, a method for dehydrogenating hydrocarbons may include passing a hydrocarbon feed comprising one or more alkanes or alkyl aromatics into a fluidized bed reactor, contacting the hydrocarbon feed with a dehydrogenation catalyst in the fluidized bed reactor to produce a dehydrogenated product and hydrogen, and contacting the hydrogen with an oxygen-rich oxygen carrier material in the fluidized bed reactor to combust the hydrogen and form an oxygen-diminished oxygen carrier material. In additional embodiments, a dual-purpose material may be utilized which has dehydrogenation catalyst and oxygen carrying functionality.
-
公开(公告)号：US20230257326A1
公开(公告)日：2023-08-17
申请号：US18009398
申请日：2021-06-08
CPC分类号： C07C5/48 , C07C7/12 , C07C7/11 , B01J19/245 , B01D53/02 , B01D53/1437 , B01J2219/0004 , B01D2257/93 , B01D2253/102 , B01D2253/108 , B01D2253/25 , B01D2253/1122 , B01D2252/103 , B01D2252/205
摘要： A system for mitigating naturally occurring radioactive materials (NORM) in an oxidative dehydrogenation process includes a feed stream, an oxidative dehydrogenation (ODH) reactor, an effluent stream, a processing unit, and a NORM reduction unit. The feed stream includes oxygen, a hydrocarbon, and NORM. The ODH reactor is configured to receive the feed stream and react the hydrocarbon with the oxygen to form a dehydrogenated hydrocarbon and water. The effluent stream includes the dehydrogenated hydrocarbon, water, unreacted hydrocarbon, and NORM. The processing unit is configured to process the effluent stream to form product stream and a recycle stream. The product stream includes the dehydrogenated hydrocarbon. The recycle stream includes unreacted hydrocarbon and NORM. The NORM reduction unit is configured to reduce an amount of the NORM in the recycle stream to produce a NORM-reduced recycle stream. The ODH reactor is configured to receive the NORM-reduced recycle stream.
-
公开(公告)号：US11707731B2
公开(公告)日：2023-07-25
申请号：US16319035
申请日：2017-07-20
申请人： SHELL OIL COMPANY
IPC分类号： B01J23/28 , B01J23/10 , B01J35/00 , B01J35/02 , B01J37/02 , C07C5/48 , B01J23/22 , B01J27/057 , C07C51/25 , B01J23/20 , C07C51/21 , B01J23/16
CPC分类号： B01J23/28 , B01J23/10 , B01J23/16 , B01J23/20 , B01J23/22 , B01J27/057 , B01J35/0013 , B01J35/0033 , B01J35/023 , B01J35/026 , B01J37/0221 , C07C5/48 , C07C51/21 , C07C51/252 , B01J2523/3712 , B01J2523/56 , B01J2523/64 , B01J2523/68 , C07C2523/10 , C07C2523/28 , C07C2527/057
摘要： The invention relates to a catalyst which comprises: a) a mixed metal oxide of molybdenum, vanadium, niobium and optionally tellurium; and b) ceria particles having a crystallite size greater than 15 nanometers (nm); wherein the amount of the ceria particles, based on the total amount of the catalyst, is of from 1 to 60 wt. %. Further, the invention relates to a process for preparing a catalyst, which comprises mixing a mixed metal oxide of molybdenum, vanadium, niobium and optionally tellurium with ceria particles having a crystallite size greater than 15 nanometers (nm), wherein the amount of the ceria particles, based on the total amount of the catalyst, is of from 1 to 60 wt. %. Still further, the invention relates to an alkane oxidative dehydrogenation and/or alkene oxidation process wherein such catalyst is used.
-
公开(公告)号：US11680030B2
公开(公告)日：2023-06-20
申请号：US17720081
申请日：2022-04-13
IPC分类号： C07C5/48
CPC分类号： C07C5/48
摘要： Improved methods of oxidative dehydrogenation (ODH) of alkanes and alkylbenzenes to the corresponding olefins are disclosed. The disclosed methods use ozone (O3) to mediate the oxidative dehydrogenation reaction with high selectivity for the desired product, and no heterogeneous ODH catalyst is needed.
-
公开(公告)号：US11642656B2
公开(公告)日：2023-05-09
申请号：US17140922
申请日：2021-01-04
发明人： Kumaresan Loganathan , Arumugam Velayutham Karthikeyani , Hima Bindu Doosa , Ram Mohan Thakur , Alex Cheru Pulikottil , Madhusudan Sau , Gurpreet Singh Kapur , Sankara Sri Venkata Ramakumar
IPC分类号： B01J21/08 , B01J21/04 , B01J21/12 , B01J23/02 , B01J23/04 , B01J23/10 , B01J23/22 , B01J23/26 , B01J27/25 , B01J35/02 , B01J35/08 , B01J35/10 , B01J37/00 , B01J37/08 , C07C5/48
CPC分类号： B01J21/08 , B01J21/04 , B01J21/12 , B01J23/02 , B01J23/04 , B01J23/10 , B01J23/22 , B01J23/26 , B01J27/25 , B01J35/023 , B01J35/08 , B01J35/1014 , B01J35/1019 , B01J35/1038 , B01J37/0018 , B01J37/0072 , B01J37/088 , C07C5/48 , C07C2521/04 , C07C2521/08 , C07C2521/12 , C07C2523/02 , C07C2523/04 , C07C2523/10 , C07C2523/22 , C07C2523/26
摘要： The present invention provides a catalyst composition for the production of olefins from lighter alkanes by oxidative dehydrogenation route and methods of making the dehydrogenation catalyst composites.
-
公开(公告)号：US20230043302A1
公开(公告)日：2023-02-09
申请号：US17871575
申请日：2022-07-22
申请人： EcoCatalytic Inc.
摘要： A method of removing CO from a mixture of CO and saturated and unsaturated hydrocarbons CO to CO2 is provided. In one embodiment, the method is to contact feed stream with an oxygen transfer agent; and then oxidize at least a portion of the CO to CO2 to produce a stream enriched in CO2. The saturated and unsaturated hydrocarbons in the feed are not further oxidized during the oxidation. The oxygen transfer agent includes at least one of: i) water; ii) at least one reducible metal oxide; iii) at least one reducible chalcogen; or mixtures thereof. In another embodiment, the CO is converted to methane. The unsaturated hydrocarbons in the feed are not hydrogenated. In both of these alternatives, the CO2 or methane are then removed. Systems for removing the CO are also provided.
-
19.发明申请公开(公告)号：US20230028068A1
公开(公告)日：2023-01-26
申请号：US17785562
申请日：2020-12-04
发明人： Yoonhee Kim , Xiaoliang Gao , Vasily Simanzhenkov , Bolaji Olayiwola , Shahin Goodarznia , David Gent
摘要： A method of converting one or more alkanes to one or more alkenes that includes providing a first stream containing one or more alkanes and oxygen to an oxidative dehydrogenation reactor; converting at least a portion of the one or more alkanes to one or more alkenes in the oxidative dehydrogenation reactor to provide a second stream exiting the oxidative dehydrogenation reactor containing one or more alkanes, one or more alkenes, and one or more of oxygen, carbon monoxide and acetylene; and providing the second stream to a second reactor containing a catalyst that includes CuO and ZnO and reacting the second stream to provide a third stream exiting the second reactor containing one or more alkanes, one or more alkenes, and lower or undetectable levels of oxygen and acetylene compared to the second stream.
-
公开(公告)号：US20230024922A1
公开(公告)日：2023-01-26
申请号：US17953743
申请日：2022-09-27
摘要： A process, a system, and an apparatus are provided for converting a lower alkane to an alkene. Oxygen and the lower alkane are provided to an ODH reactor to convert at least a portion of the lower alkane to an alkene. An ODH stream comprising the alkene, an oxygenate, steam, and a carbon-based oxide is produced. The bulk of the oxygenate is removed from the ODH outlet stream by non-dilutive cooling, with residual oxygenate being removed using dilutive quenching with a carbonate. Subsequently, separation of the carbon-based oxide from the alkene is achieved using a caustic tower, which also produces spent caustic in the form of a carbonate, which is then used as the carbonate for dilutive quenching. Dilutive quenching using a carbonate allows conversion of the oxygenate to an acetate, which can then be used to simplify separation of the oxygenate from water.
-
-
-
-
-
-
-
-
-
搜索结果
1179 条记录 (耗时 0.028 秒)
