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公开(公告)号：US11225611B1
公开(公告)日：2022-01-18
申请号：US16946823
申请日：2020-07-08
Applicant: ExxonMobil Research and Engineering Company
Inventor： Chengrong Wang , Anding Zhang , Xiaochun Xu , Samuel J. Cady , Shifang Luo , Michael H. Ring , Maria Vanessa C. Aguinaldo , John Della Mora , Kegun L. Ream
Abstract: Disclose is an online analyzer to monitor conversion of a biofeedstock in a first hydrotreating stage to avoid catalyst poisoning in a subsequent stage. An example method of processing a biofeedstock may comprise hydrotreating the biofeedstock by reaction with hydrogen to form a hydrotreated biofeedstock. The method may further comprise monitoring conversion of the biofeedstock in the hydrotreating with an online analyzer.
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公开(公告)号：US20210363449A1
公开(公告)日：2021-11-25
申请号：US17325944
申请日：2021-05-20
Applicant: ExxonMobil Research and Engineering Company
Inventor： Sheryl B. Rubin-Pitel , Timothy J. Anderson , Kenneth C.H. Kar , Marcia E. Dierolf , Shifang Luo , Ian J. Laurenzi , Xinrui Yu , Yi Xu
Abstract: Distillate boiling range and/or diesel boiling range compositions are provided that are formed from crude oils with unexpected combinations of high naphthenes to aromatics weight and/or volume ratio and a low sulfur content. This unexpected combination of properties is characteristic of crude oils that can be fractionated to form distillate/diesel boiling range compositions that can be used as fuels/fuel blending products with reduced or minimized processing. The resulting distillate boiling range fractions and/or diesel boiling range fractions can have an unexpected combination of a high naphthenes to aromatics weight and/or volume ratio, a low but substantial aromatics content, and a low sulfur content. By reducing, minimizing, or avoiding the amount of hydroprocessing needed to meet fuel and/or fuel blending product specifications, the fractions derived from the high naphthenes to aromatics ratio and low sulfur crudes can provide fuels and/or fuel blending products having a reduced or minimized carbon intensity.
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公开(公告)号：US20210363448A1
公开(公告)日：2021-11-25
申请号：US17325929
申请日：2021-05-20
Applicant: ExxonMobil Research and Engineering Company
Inventor： Daniel E. Kadlecek , Randolph J. Smiley , Gregory K. Lilik , Mike T. Noorman , Shifang Luo , Ian J. Laurenzi , Poturovic Jasmina
Abstract: Kerosene boiling range or jet fuel boiling range compositions are provided that are formed from crude oils with unexpected combinations of high naphthenes to aromatics weight and/or volume ratio and a low sulfur content. The resulting kerosene boiling range fractions can have an unexpected combination of a high naphthenes to aromatics weight ratio, a low but substantial aromatics content, and a low sulfur content. Such fractions can potentially be used as fuel after a reduced or minimized amount of additional refinery processing. By reducing, minimizing, or avoiding the amount of refinery processing needed to meet fuel and/or fuel blending product specifications, the fractions derived from the high naphthenes to aromatics ratio and low sulfur crudes can provide fuels and/or fuel blending products having a reduced or minimized carbon intensity.
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公开(公告)号：US20210363440A1
公开(公告)日：2021-11-25
申请号：US17325996
申请日：2021-05-20
Applicant: ExxonMobil Research and Engineering Company
Inventor： Xinrui Yu , Shifang Luo , Xiaochun Xu , Randolph J. Smiley
Abstract: This disclosure relates to new processes to produce high paraffinic diesel from crude oil, such as tight oil from the Permian basin. This disclosure also relates to high paraffinic diesel compositions and high paraffinic diesel blends.
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5.发明申请公开(公告)号：US20210363439A1
公开(公告)日：2021-11-25
申请号：US17325869
申请日：2021-05-20
Applicant: ExxonMobil Research and Engineering Company
Inventor： Xiaochun Xu , Xinrui Yu , Shifang Luo , Randolph J. Smiley , Hyung S. Woo
Abstract: Method of refining whole crude oil or a wide cut crude oil, the methods comprising a combination of a hydrotreating reactor, a distillation tower, and an optional flash evaporation separator. The methods can also include light ends processing, fluid catalytic cracking, reforming, hydrocracking, and demetalization. In some methods a whole crude oil is first processed through a flash evaporation separator to create a wide cut crude oil and in other methods, the flash evaporation separator is not used as the whole crude oil is first treated in a hydrotreater.
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Patent Agency Ranking
公开(公告)号：US20200063041A1
公开(公告)日：2020-02-27
申请号：US16541288
申请日：2019-08-15
Applicant: ExxonMobil Research and Engineering Company
Inventor： Guang Cao , Suzzy C. Ho , Matthew S. Ide , Shifang Luo , William R. Gunther
IPC: C10G63/02 , C10G35/095 , C10G50/02 , B01J31/22
Abstract: A systems and method for manufacturing a base stock from an ethanol stream are described herein. An example method includes dehydrating an ethanol stream to form an impure ethylene mixture, recovering an ethylene stream from the impure ethylene mixture, and oligomerizing the ethylene stream to form a raw oligomer stream. A heavy olefinic stream is distilled from the raw oligomer stream. The heavy olefinic stream is hydro-processed to form a hydro-processed stream, and the hydro-processed stream is distilled to form the base stock.
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公开(公告)号：US20220145189A1
公开(公告)日：2022-05-12
申请号：US17453184
申请日：2021-11-02
Applicant: ExxonMobil Research and Engineering Company
Inventor： Xiaochun Xu , Shifang Luo , Samuel J. Cady , Michael H. Ring
Abstract: Systems and methods are provided for processing a bio-derived feedstock in a commercial scale reactor to form renewable distillate boiling range fractions while managing the heat release. The management of the heat release is achieved in part by introducing 1.0 vol % or more of CO into at least a portion of the reaction environment for hydroprocessing of the bio-derived feedstock. The 1.0 vol % or more of CO can selectively reduce the activity of hydrotreating catalyst for olefin saturation.
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公开(公告)号：US10889769B2
公开(公告)日：2021-01-12
申请号：US16541288
申请日：2019-08-15
Applicant: Exxonmobil Research and Engineering Company
Inventor： Guang Cao , Suzzy C. Ho , Matthew S. Ide , Shifang Luo , William R. Gunther
IPC: C10G63/02 , C10G35/095 , C10G50/02 , B01J31/22
Abstract: A systems and method for manufacturing a base stock from an ethanol stream are described herein. An example method includes dehydrating an ethanol stream to form an impure ethylene mixture, recovering an ethylene stream from the impure ethylene mixture, and oligomerizing the ethylene stream to form a raw oligomer stream. A heavy olefinic stream is distilled from the raw oligomer stream. The heavy olefinic stream is hydro-processed to form a hydro-processed stream, and the hydro-processed stream is distilled to form the base stock.
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公开(公告)号：US20200181509A1
公开(公告)日：2020-06-11
申请号：US16707667
申请日：2019-12-09
Applicant: ExxonMobil Research and Engineering Company
Inventor： Stephen H. Brown , Samia Ilias , Randolph J. Smiley , Richard Demmin , Shifang Luo , Brenda A. Raich , Aldrin G. Cuevas , Keith Wilson , Jesse R. McManus , Lei Zhang
Abstract: A method of upgrading refining streams with high polynucleararomatic hydrocarbon (PNA) concentrations can include: hydrocracking a PNA feed in the presence of a catalyst and hydrogen at 380° C. to 430° C., 2500 psig or greater, and 0.1 hr−1 to 5 hr−1 liquid hourly space velocity (LSHV), wherein the weight ratio of PNA feed to hydrogen is 30:1 to 10:1, wherein the PNA feed comprises 25 wt % or less of hydrocarbons having a boiling point of 700° F. (371° C.) or less and having an aromatic content of 50 wt % or greater to form a product comprising 50 wt % or greater of the hydrocarbons having a boiling point of 700° F. (371° C.) or less and having an aromatic content of 20 wt % or less.
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公开(公告)号：US11299684B2
公开(公告)日：2022-04-12
申请号：US17126204
申请日：2020-12-18
Applicant: ExxonMobil Research and Engineering Company
Inventor： Kenneth C. H. Kar , Sheryl B. Rubin-Pitel , Lisa M. Guay , Timothy J. Anderson , Shifang Luo , Marcia E. Dierolf
Abstract: Marine diesel fuel/fuel blending component compositions and fuel oil/fuel blending component compositions are provided that are derived from crude oils having high naphthenes to aromatics volume and/or weight ratios and a low sulfur content. In addition to having a high naphthenes to aromatics ratio, a low sulfur content, and a low but substantial content of aromatics, such fuels and/or fuel blending components can have a reduced or minimized carbon intensity relative to fuels derived from conventional sources. The unexpected ratio of naphthenes to aromatics contributes to the fuels and/or fuel blending components further having additional unexpected properties, including low density, low kinematic viscosity, and/or high energy density.
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