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公开(公告)号:US20230249121A1
公开(公告)日:2023-08-10
申请号:US18193835
申请日:2023-03-31
Inventor: Peter I. Ravikovitch , David Sholl , Charanjit Paur , Karl G. Strohmaier , Hanjun Fang , Ambarish R. Kulkarni , Rohan V. Awati , Preeti Kamakoti
CPC classification number: B01D53/0462 , B01D53/02 , B01D53/047 , B01D53/0476 , B01J20/18 , B01J20/3491 , C10L3/104 , B01D2253/3425 , Y02C20/40 , B01D2253/1085 , B01D2253/34 , B01D2257/504 , C10L2290/12 , C10L2290/542
Abstract: Methods of designing zeolite materials for adsorption of CO2. Zeolite materials and processes for CO2 adsorption using zeolite materials.
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公开(公告)号:US11703276B2
公开(公告)日:2023-07-18
申请号:US17447345
申请日:2021-09-10
Inventor: Sorin T. Lupascu , Yow-Yeen Lee
CPC classification number: F25J1/0022 , F25J1/005 , F25J1/0052 , F25J1/0055 , F25J1/0072 , F25J1/0082 , F25J1/0087 , F25J1/0218 , F25J1/0236 , F25J1/0271 , F25J1/0274 , F25J1/0283 , F25J2220/64
Abstract: A system and method for producing liquefied natural gas (LNG) from a natural gas stream. Each of a plurality of LNG trains liquefies a portion of the natural gas stream to generate a warm LNG stream in a first operating mode, and a cold LNG stream in a second operating mode. A sub-cooling unit is configured to, in the first operating mode, sub-cool the warm LNG streams to thereby generate a combined cold LNG stream. The warm LNG streams have a higher temperature than a temperature of the cold LNG streams in the second operating mode and the combined cold LNG stream. The combined cold LNG stream has, in the first operating mode, a higher flow rate than the flow rate of the cold LNG streams in the second operating mode.
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公开(公告)号:US11686184B2
公开(公告)日:2023-06-27
申请号:US16901455
申请日:2020-06-15
Inventor: Marco De Mattia , Mahsa Memarzadeh , Curtis J. Holub , Amr S. El-Bakry
IPC: E21B43/12 , E21B47/008
CPC classification number: E21B43/122 , E21B47/008 , E21B2200/20
Abstract: A method for producing hydrocarbons in a gas lift well is disclosed. A gas lift rate of the well is monitored while producing hydrocarbons according to an initial gas lift performance curve. One or more well performance parameters for the well are monitored. Disturbances in the well are detected while monitoring the well performance parameters. Transience in the well is modeled. A new gas lift performance curve is derived based on the detected disturbances, the modeled transience, and the initial gas lift performance curve. An optimal allocation of gas lift is determined from the new gas lift performance curve. Hydrocarbons are produced using the determined optimal allocation of gas lift.
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公开(公告)号:US20230183589A1
公开(公告)日:2023-06-15
申请号:US17814953
申请日:2022-07-26
Inventor: Yu Wang , Edward W. Corcoran, JR. , Avelino Corma Canos
IPC: C10L3/10
CPC classification number: C10L3/105 , C10L3/104 , C10L2290/542
Abstract: This disclosure relates to the adsorption and separation of nitrogen in a feed stream (e.g., natural gas) using zeolite ITQ-55 as the adsorbent. A process is disclosed for removing impurities such as nitrogen while producing a high pressure hydrocarbon product. The process involves passing the feed stream through a bed of an adsorbent comprising zeolite ITQ-55 to adsorb nitrogen from the feed stream, thereby producing a product stream depleted in nitrogen at pressure as feed condition without need of recompression. The zeolite ITQ-55 has a mean crystal particle size within the range of from about 0.01 microns to about 40 microns. The feed stream is exposed to the zeolite ITQ-55 at effective conditions for performing a kinetic separation, in which the kinetic separation exhibits greater kinetic selectivity for nitrogen than for methane. The system and method of this disclosure are particularly suitable for use with feed streams utilizing rapid cycle PSA operations.
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公开(公告)号:US20230183586A1
公开(公告)日:2023-06-15
申请号:US18064136
申请日:2022-12-09
Inventor: Xiaochun Xu , Yunming Fang , Yudi Zhao
CPC classification number: C10G69/04 , C10G1/06 , C10G3/40 , C10G3/60 , C10G11/18 , C10G11/04 , C10G3/52 , C10G2300/1014 , C10G2300/4006 , C10G2300/4012 , C10G2300/107 , C10G2300/1077 , C10G2300/1059 , C10G2300/1074 , C10G2400/02 , C10G2400/04 , C10G2400/08
Abstract: A method may include: hydropyrolyzing a bio feedstock in a hydropyrolysis unit to produce at least a hydropyrolysis oil; introducing at least a portion of the hydropyrolysis oil with a hydrocarbon co-feed into a fluidized catalytic cracking unit; and cracking the hydropyrolysis oil in the fluidized catalytic cracking unit to produce at least fuel range hydrocarbons.
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公开(公告)号:US20230182066A1
公开(公告)日:2023-06-15
申请号:US17814931
申请日:2022-07-26
Inventor: Yu Wang , Edward W. Corcoran, Jr. , Pavel Kortunov , Avelino Corma Canos
IPC: B01D53/047 , B01D53/04
CPC classification number: B01D53/0473 , B01D53/0423 , B01D2253/108 , B01D2253/304 , B01D2253/342 , B01D2257/80 , B01D2257/104 , B01D2259/402
Abstract: This disclosure relates to the adsorption and separation of fluid components, such as oxygen, in a feed stream, such as air, using zeolite ITQ-55 as the adsorbent. A process is disclosed for adsorbing oxygen from a feed stream containing oxygen, nitrogen and argon. The process comprises passing the feed stream through a bed of an adsorbent comprising zeolite ITQ-55 to adsorb oxygen from the feed stream, carrying out an equalization step to improve recovery, thereby producing a nitrogen product stream depleted in oxygen as well as a waste stream can be collected to have enriched oxygen. The kinetic selectivity and related mass transfer rates can be tuned by varying the mean crystal particle size of zeolite ITQ-55 within the range of from about 0.1 microns to about 40 microns, or by varying the adsorption temperature within the range from about -195° C. to about 30° C., or by varying the adsorption pressure within the range from about 1 bar (~14.7 psi) to about 30 bar (~435 psi), or combinations thereof. The feed stream is exposed to the zeolite ITQ-55 at effective conditions for performing a rapid cycle of kinetic separation, in which oxygen exhibits greater kinetic selectivity than nitrogen and argon.
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公开(公告)号:US20230181775A1
公开(公告)日:2023-06-15
申请号:US18056415
申请日:2022-11-17
Inventor: Deepak MUSALE
CPC classification number: A61K51/1282 , C02F9/00 , C02F1/444 , C02F1/441 , C02F1/442 , C02F2101/32
Abstract: Methods of performing targeted alpha therapy of a cancer patient utilizing actinium-225, methods of preparing a targeted alpha therapy drug that includes actinium-225, methods of preparing actinium-225 from radium-226, and methods of recovering radium-226 from an aqueous produced material stream generated from a natural resource extraction process. The methods of recovering radium-226 include separating the radium-226 from the produced material stream to generate recovered radium-226. The methods of preparing actinium-225 include converting the recovered radium-226 into actinium-225. The methods of preparing the targeted alpha therapy drug include incorporating the actinium-225 into the targeted alpha therapy drug. The methods of performing targeted alpha therapy include treating the cancer patient with the targeted alpha therapy drug.
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公开(公告)号:US11674934B2
公开(公告)日:2023-06-13
申请号:US17142786
申请日:2021-01-06
Inventor: Anding Zhang , Kuangnan Qian , Chengrong Wang , Amy C. Clingenpeel
IPC: G01N31/12
CPC classification number: G01N31/12 , G01N2333/405
Abstract: The present disclosure relates to methods for compositional analysis of algal biomass, specifically weight percent elemental composition. In at least one embodiment, a method for compositional analysis of an algae sample includes flash combusting a first portion of the algae sample to provide a carbon wt %, a hydrogen wt %, and a nitrogen weight %. The method includes pyrolysing a second portion of the algae sample to provide an oxygen wt %. The method includes scanning a third portion of the algae sample using x-ray fluorescence to provide an elemental intensity. The method includes normalizing the elemental intensity using the carbon wt %, the hydrogen wt %, the nitrogen wt %, and/or the oxygen wt %.
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公开(公告)号:US11674366B2
公开(公告)日:2023-06-13
申请号:US16436402
申请日:2019-06-10
Inventor: Sumeet Trehan , Damian N. Burch , Amr S. El-Bakry , Peeyush Bhargava , Curtis J. Holub , Jose F. Zapata Usandivaras
IPC: E21B41/00 , E21B43/12 , E21B49/08 , E21B47/008
CPC classification number: E21B41/0092 , E21B43/128 , E21B47/008 , E21B49/08 , E21B49/0875
Abstract: A method of predicting hydrocarbon production from one or more artificial lift wells is disclosed. Measurements and/or well test data are obtained from one or more artificial lift wells representing well performance at more than one time period. A statistical model, representing well performance, is generated. Using the statistical model and the measurements and/or well test data, real-time production of the one or more artificial lift wells is predicted and a measure of confidence is generated. Potential optimization opportunities are identified for well performance based on the predicted real-time production of the one or more artificial lift wells. The optimization opportunities are outputted. Hydrocarbon production activities are modified using the optimization opportunities.
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公开(公告)号:US11674089B2
公开(公告)日:2023-06-13
申请号:US17014999
申请日:2020-09-08
Inventor: Brandon J. O'Neill , Mark A. Deimund , Ajit B. Dandekar
CPC classification number: C10G3/49 , B01J29/703 , B01J29/7038 , C10G2300/1088 , C10G2300/4006
Abstract: Systems and methods are provided for conversion of a combined feed of oxygenates (such as methanol or dimethyl ether) and olefins to a high octane naphtha boiling range product with a reduced or minimized aromatics content. The oxygenate conversion can be performed under conditions that reduce or minimize hydrogen transfer. Optionally, a catalyst that further facilitates formation of branched paraffins can be used, such as a catalyst that has some type of 12-member ring site available on the catalyst surface.
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