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公开(公告)号:US11826833B2
公开(公告)日:2023-11-28
申请号:US17185418
申请日:2021-02-25
Inventor: Simon M. Humphrey , Stephany Garcia
IPC: B22F9/24 , B01J37/34 , B01J23/48 , B01J23/89 , B01J35/00 , B01J23/40 , B01D53/86 , B22F1/054 , C22C1/047 , B01J23/42 , B01J23/44 , B01J23/46 , B01J23/50 , B01J23/52 , B01J35/02 , B01J37/06 , B01J37/16 , C22C5/02 , C22C5/04 , C22C5/06
CPC classification number: B22F9/24 , B01D53/8628 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/464 , B01J23/48 , B01J23/50 , B01J23/52 , B01J23/89 , B01J35/0013 , B01J35/026 , B01J37/06 , B01J37/16 , B01J37/346 , B22F1/054 , C22C1/047 , C22C5/02 , C22C5/04 , C22C5/06 , B01D2255/102 , B01D2255/104 , B01D2255/106 , B01D2255/9202 , B22F2999/00 , B22F9/24 , B22F2999/00 , B22F2201/01 , B22F2202/11
Abstract: The present invention provides compositions and methods of making bimetallic metal alloys of composition for example, Rh/Pd; Rh/Pt; Rh/Ag; Rh/Au; Rh/Ru; Rh/Co; Rh/Ir; Rh/Ni; Ir/Pd; Ir/Pt; Ir/Ag; Ir/Au; Pd/Ni; Pd/Pt; Pd/Ag; Pd/Au; Pt/Ni; Pt/Ag; Pt/Au; Ni/Ag; Ni/Au; or Ag/Au prepared using microwave irradiation.
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42.
公开(公告)号:US11814457B2
公开(公告)日:2023-11-14
申请号:US18167120
申请日:2023-02-10
Applicant: Chevron Phillips Chemical Company LP
Inventor: Max P. McDaniel , Carlton E. Ash , Kathy S. Clear , Eric D. Schwerdtfeger , Carlos A. Cruz , Jeremy M. Praetorius
IPC: B01J31/38 , B01J31/00 , C08F4/64 , C08F210/16 , C08J5/18 , C08F4/6592 , B01J3/00 , B01J37/26 , B01J35/02
CPC classification number: C08F210/16 , B01J31/38 , C08J5/18 , B01J3/00 , B01J35/023 , B01J37/26 , C08F4/6592 , C08F4/65925 , C08F4/65927 , C08F2410/07 , C08F2500/12 , C08F2500/26 , C08J2323/20
Abstract: Catalyst compositions containing a metallocene compound, a solid activator, and a co-catalyst, in which the solid activator or the supported metallocene catalyst has a d50 average particle size of 15 to 50 μm and a particle size distribution of 0.5 to 1.5, can be contacted with an olefin in a loop slurry reactor to produce an olefin polymer. A representative ethylene-based polymer produced using the catalyst composition has excellent dart impact strength and low gels, and can be characterized by a HLMI from 4 to 10 g/10 min, a density from 0.944 to 0.955 g/cm3, a higher molecular weight component with a Mn from 280,000 to 440,000 g/mol, and a lower molecular weight component with a Mw from 30,000 to 45,000 g/mol and a ratio of Mz/Mw ranging from 2.3 to 3.4.
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43.
公开(公告)号:US20230356206A1
公开(公告)日:2023-11-09
申请号:US18358088
申请日:2023-07-25
Inventor: Carlos A. Cruz , Mitchell D. Refvik , Max P. McDaniel , Mark Scott , Evan Merk
CPC classification number: B01J37/0045 , B01J35/023 , B01J35/1004
Abstract: Methods for modifying a catalyst system component are disclosed in which a feed mixture containing a fluid and from 1 to 15 wt. % of a catalyst system component is introduced into an inlet of a hydrocyclone, an overflow stream containing from 0.1 to 5 wt. % solids and an underflow stream containing from 10 to 40 wt. % solids are discharged from the hydrocyclone, and the underflow stream is spray dried to form a modified catalyst component. Often, from 4 to 20 wt. % of the catalyst system component in the feed mixture has a particle size of less than or equal to 20 μm, or less than or equal to 10 μm.
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公开(公告)号:US20230356202A1
公开(公告)日:2023-11-09
申请号:US18042365
申请日:2021-08-26
Applicant: CHINA PETROLEUM & CHEMICAL CORPORATION , RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
Inventor: Changjiu XIA , Yujia LIU , Xinxin PENG , Min LIN , Bin ZHU , Xingtian SHU
CPC classification number: B01J29/89 , B01J37/04 , B01J37/10 , B01J35/1038 , B01J35/026 , B01J37/0236
Abstract: A tin-titanium-silicon molecular sieve, a preparation method and an application thereof are provided. The electron binding energy of framework tin active centers in the tin-titanium-silicon molecular sieve is 488.5 eV or less. In the tin-titanium-silicon molecular sieve, the molar ratio of titanium to silicon is preferably 0.005-0.03, and the molar ratio of tin to silicon is preferably 0.005-0.025. The tin-titanium-silicon molecular sieve of the invention has more catalytic active centers, a lower electron binding energy of framework tin active centers, and an excellent catalytic performance.
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45.
公开(公告)号:US20230356200A1
公开(公告)日:2023-11-09
申请号:US18038033
申请日:2021-11-08
Applicant: IFP Energies nouvelles
Inventor: Mathieu DIGNE , Antoine FECANT , Thomas REGAL , Chloe BERTRAND DRIRA
CPC classification number: B01J29/46 , B01J21/04 , B01J37/0009 , B01J37/04 , B01J37/10 , B01J37/18 , B01J37/0207 , B01J35/026 , B01J2229/37 , B01J2229/38 , B01J2229/36 , B01J2229/42
Abstract: The present invention relates to an original process for the preparation of a catalyst in the form of an extrudate comprising an acid zeolite with the structural code MFI, the zeolite content being between 45% and 90% relative to the total mass of the catalyst, and a binder, and optionally containing a hydrogenating active phase, comprising at least a) the mixture of said MFI zeolite and the binder, the average size of the elementary particles of said MFI zeolite being between 110 and 800 nm, b) the addition of said mixture a) of a peptizing agent c) the addition to said mixture of a neutralizing agent d) the shaping by extrusion of the mixture e) optionally, the drying of the solid, f) the heat treatment of the said solid obtained in the presence of water vapor at a temperature between 400 and 1000° C. in the presence of an air flow containing from 1 to 60% by volume of water, and g) optionally, the introduction of one or more precursors of a hydrogenating active phase on the solid.
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公开(公告)号:US20230356192A1
公开(公告)日:2023-11-09
申请号:US18134098
申请日:2023-04-13
Applicant: Eriko YOSHIMOTO , Nobuyuki TAKAGI , Takuya OKUDA , Yuhei UDAGAWA , Takahiro HARADA
Inventor: Eriko YOSHIMOTO , Nobuyuki TAKAGI , Takuya OKUDA , Yuhei UDAGAWA , Takahiro HARADA
CPC classification number: B01J23/10 , B01J23/002 , B01J35/026 , B01J37/0009 , B01J37/16 , C01G25/006 , C01P2002/54 , C01P2004/61 , C01P2004/62 , C01P2002/36 , C01P2002/72
Abstract: The present disclosure provides an oxygen storage/release material that has achieved both the improved oxygen storage/release capacity at low temperature and heat tolerance, which comprises a ceria-zirconia-based composite oxide, wherein the ceria-zirconia-based composite oxide further comprises praseodymium (Pr) or neodymium (Nd), and has, in at least a part thereof, at least one ordered phase of κ phase and a pyrochlore phase, a proportion of primary particles having particle diameters of 0.4 μm to 1.5 μm is 40% to 100% on a particle number basis, and, when heated for 5 hours in the air at 1,100° C., I(14/29) value is 0.015 or more and I(28/29) value is 0.08 or less. The present disclosure also relates to a method for producing such oxygen storage/release material.
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公开(公告)号:US20230356165A1
公开(公告)日:2023-11-09
申请号:US18026720
申请日:2021-04-16
Applicant: Chiyoda Corporation
Inventor: Yoshimi OKADA , Kenichi IMAGAWA , Tomoyuki MIKURIYA , Hironori KAWAI , Yusuke NAKAJIMA
CPC classification number: B01J8/067 , B01J8/001 , C01B3/26 , B01J35/1066 , B01J35/1019 , B01J35/1042 , B01J35/0066 , B01J35/023 , C01B2203/0277 , C01B2203/0425 , C01B2203/1252 , C01B2203/1017 , C01B2203/107 , C01B2203/0833 , C01B2203/1082 , C01B2203/0827
Abstract: [Task] To avoid use of direct fire and suppress CO2 emission when heating a heat medium used to input heat to dehydrogenation reaction of hydrogenated aromatics.
[Solution] A hydrogen station 1 includes: a dehydrogenation reactor 23 that produces hydrogen by dehydrogenation reaction of a hydrogenated aromatic in presence of a dehydrogenation catalyst; a heat supply device 26 that supplies heat to the dehydrogenation reactor via a heat medium heated by using fuel; and a PSA device 33 that purifies a reaction product gas in the dehydrogenation reactor by using an adsorbent according to a pressure swing adsorption method, wherein the PSA device is supplied with a purge gas containing hydrogen used in regeneration of the adsorbent, the heat supply device includes a storage tank 27 storing the heat medium and a catalytic combustion tube 28 disposed in the storage tank to catalytically combust the fuel in presence of a combustion catalyst, and the catalytic combustion tube is supplied with the purge gas discharged from the PSA device as the fuel together with air.-
公开(公告)号:US11806700B2
公开(公告)日:2023-11-07
申请号:US17944623
申请日:2022-09-14
Inventor: Jorge Gascon , Salvador Sayas , Natalia Morlanes , Sai Katikaneni , Aadesh Harale , Bandar Solami
IPC: B01J23/10 , B01J23/78 , B01J37/03 , B01J35/02 , B01J37/00 , B01J37/02 , B01J37/04 , B01J37/06 , B01J37/08 , C01B3/04
CPC classification number: B01J37/031 , B01J23/10 , B01J23/78 , B01J35/023 , B01J37/009 , B01J37/0201 , B01J37/0236 , B01J37/04 , B01J37/06 , B01J37/088 , C01B3/047
Abstract: A method for ammonia decomposition to produce hydrogen, the method comprising the steps of introducing an ammonia stream to a reactor, wherein the ammonia stream comprises ammonia, wherein the reactor comprises a cobalt-based catalyst, the cobalt-based catalyst comprising 15 wt % and 70 wt % of cobalt, 5 wt % and 45 wt % of cerium, and 0.4 wt % and 0.5 wt % barium, wherein a remainder of weight of the cobalt-based catalyst is oxygen; contacting the ammonia in the ammonia stream with the cobalt-based catalyst, wherein the cobalt-based catalyst is operable to catalyze an ammonia decomposition reaction; catalyzing the ammonia decomposition reaction to cause the ammonia decomposition in the presence of the cobalt-based catalyst to produce hydrogen; and withdrawing a product stream from the reactor, the product stream comprising hydrogen.
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公开(公告)号:US11801495B2
公开(公告)日:2023-10-31
申请号:US17319361
申请日:2021-05-13
Applicant: WASHINGTON STATE UNIVERSITY
Inventor: Su Yun Ha , M. Grant Norton , Oscar Gerardo Marin Flores
IPC: B01J23/755 , B01J35/00 , B01J35/02 , B01J37/04 , B01J37/10 , C01B3/40 , C07C29/151 , C07C45/49 , C07C41/01 , B01J37/00 , B01J21/08
CPC classification number: B01J23/755 , B01J21/08 , B01J35/002 , B01J35/008 , B01J35/0013 , B01J35/0073 , B01J35/023 , B01J37/009 , B01J37/04 , B01J37/105 , C01B3/40 , C07C29/1518 , C07C41/01 , C07C45/49 , C01B2203/0261 , C01B2203/1058 , C01B2203/1241
Abstract: Nickel-based catalysts comprising silicon modified nickel (nickel silicate) are provided, as are methods for using the catalysts to i) convert methane to CO and H2 (e.g. for use in synthetic chemical compound production); or to ii) convert methane to oxygenated hydrocarbons e.g. one or more of methanol, acetone, formaldehyde, and dimethyl ether. The catalysts are bifunctional and comprise both Ni metallic catalytic sites and acidic nickel-silicon catalytic sites, and the conversions are performed under moderate reaction conditions.
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公开(公告)号:US20230338941A1
公开(公告)日:2023-10-26
申请号:US18023749
申请日:2021-08-27
Applicant: KAO CORPORATION
Inventor: Ryo MIYASATO , Takuto TOJO
IPC: B01J35/00 , B01J21/06 , B01J23/68 , B01J35/02 , B01J37/03 , B01J37/34 , B01J37/36 , C01B3/04 , C01B3/26 , B01J23/00
CPC classification number: B01J35/004 , B01J21/063 , B01J23/682 , B01J35/02 , B01J37/03 , B01J37/342 , B01J37/36 , C01B3/042 , C01B3/26 , B01J23/002 , C01B2203/0277 , C01B2203/1064 , C01B2203/1094 , C01B2203/1223 , B01J2523/24 , B01J2523/55 , B01J2523/47 , B01J2523/828 , B01J2523/18
Abstract: The present invention provides a heterojunction photocatalyst having higher photocatalytic activity than that of a conventional heterojunction photocatalyst. Further, the present invention provides a photocatalyst composite having the heterojunction photocatalyst on a substrate, a method for producing the heterojunction photocatalyst, and a method for producing hydrogen using the heterojunction photocatalyst or the photocatalyst composite The het junction photocatalyst of the present invention has a solid mediator between a hydrogen-evolution photocatalyst and an oxygen-evolution photocatalyst, and the solid mediator is selectively joined to an electrons collecting surface of the oxygen-evolution photocatalyst.
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