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公开(公告)号：US10583425B2
公开(公告)日：2020-03-10
申请号：US16038851
申请日：2018-07-18
Applicant: ExxonMobil Research and Engineering Company
Inventor： Stephen J. McCarthy , Paul Podsiadlo , Gary P. Schleicher , Timothy L. Hilbert , Teck-Mui Hoo , Eric D. Joseck
IPC: B01J37/10 , B01J37/08 , B01J29/74 , B01J29/068 , B01J8/04 , B01J38/10 , B01J38/06 , B01J29/90 , B01J35/00 , B01J38/02 , C10G65/16 , B01J8/02 , B01J29/04 , C10G45/64 , C10G45/62 , C10G45/00 , B01J21/04 , B01J23/42 , B01J23/44 , B01J37/00 , B01J37/18 , C10G65/02
Abstract: Systems and methods are provided for activation of noble metal catalysts that are supported on siliceous supports. The activation method can include limiting the amount of water vapor pressure and/or the time of exposure to the water vapor pressure during heating of the catalyst at temperatures of 50° C. or less. This can be achieved by introducing heated gas into multiple reactors of a multi-reactor system at the same time. A suitable system for introducing heated gas into multiple reactors can correspond to a system with multiple heated hydrogen lines for delivery of heated hydrogen to a plurality of reactors within a multi-reactor system.
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Patent Agency Ranking
公开(公告)号：US10023822B2
公开(公告)日：2018-07-17
申请号：US15019225
申请日：2016-02-09
Applicant: ExxonMobil Research and Engineering Company
Inventor： Jeenok T. Kim , Gary P. Schleicher , Halou Oumar-Mahamat , Chad H. Mondor
IPC: C10M101/02 , C10G69/04 , C10G65/04 , C10G67/04 , C10G69/02 , C10G73/06 , C10G73/44 , C10M101/00 , C10G45/02 , C10G45/06 , C10G45/08 , C10G45/58 , C10G45/62 , C10G45/64 , C10G47/00 , C10G47/04 , C10G47/16 , C10G21/00
Abstract: Methods are provided for producing lubricant base oils from petrolatum. After solvent dewaxing of a brightstock raffinate to form a brightstock base oil, petrolatum is generated as a side product. The petrolatum can be hydroprocessed to form base oils in high yield. The base oils formed from hydroprocessing of petrolatum have an unexpected pour point relationship. For a typical lubricant oil feedstock, the pour point of the base oils generated from the feedstock increases with the viscosity of the base oil. By contrast, lubricant base oils formed from hydroprocessing of petrolatum have a relatively flat pour point relationship, and some of the higher viscosity base oils unexpectedly have lower pour points than lower viscosity base oils generated from the same petrolatum feed. The base oils from petrolatum are also unusual in yielding both high viscosity and high viscosity index and can be generated while maintaining a high yield.
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公开(公告)号：US20160152914A1
公开(公告)日：2016-06-02
申请号：US15019225
申请日：2016-02-09
Applicant: ExxonMobil Research and Engineering Company
Inventor： Jeenok T. Kim , Gary P. Schleicher , Halou Oumar-Mahamat , Chad H. Mondor
IPC: C10M101/02
CPC classification number: C10M101/02 , C10G21/003 , C10G45/02 , C10G45/06 , C10G45/08 , C10G45/58 , C10G45/62 , C10G45/64 , C10G47/00 , C10G47/04 , C10G47/16 , C10G65/043 , C10G67/0454 , C10G69/02 , C10G69/04 , C10G73/06 , C10G73/44 , C10G2300/1062 , C10G2300/1074 , C10G2300/1077 , C10G2300/301 , C10G2300/302 , C10G2300/304 , C10G2400/10 , C10M1/00 , C10M2203/1025 , C10N2220/022 , C10N2230/02
Abstract: Methods are provided for producing lubricant base oils from petrolatum. After solvent dewaxing of a brightstock raffinate to form a brightstock base oil, petrolatum is generated as a side product. The petrolatum can be hydroprocessed to form base oils in high yield. The base oils formed from hydroprocessing of petrolatum have an unexpected pour point relationship. For a typical lubricant oil feedstock, the pour point of the base oils generated from the feedstock increases with the viscosity of the base oil. By contrast, lubricant base oils formed from hydroprocessing of petrolatum have a relatively flat pour point relationship, and some of the higher viscosity base oils unexpectedly have lower pour points than lower viscosity base oils generated from the same petrolatum feed. The base oils from petrolatum are also unusual in yielding both high viscosity and high viscosity index and can be generated while maintaining a high yield.
Abstract translation: 提供从凡士林生产润滑油基础油的方法。 在明亮的原料萃余液的溶剂脱蜡后，形成光油基础油，产生凡士林作为副产物。 可以加氢处理矿脂以高产率形成基础油。 由凡士林加氢处理形成的基础油具有意想不到的倾点关系。 对于典型的润滑油原料，由原料产生的基础油的倾点随着基础油的粘度而增加。 相比之下，通过加氢处理矿脂形成的润滑剂基础油具有相对平坦的倾点关系，并且一些较高粘度的基础油意外地具有比由相同凡士林饲料产生的低粘度基础油更低的倾点。 来自凡士林的基础油在产生高粘度和高粘度指数方面也是不寻常的，并且可以在保持高产率的同时产生。
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公开(公告)号：US20200148962A1
公开(公告)日：2020-05-14
申请号：US16742208
申请日：2020-01-14
Applicant: ExxonMobil Research and Engineering Company
Inventor： Bradley R. Fingland , Gary P. Schleicher
Abstract: Systems and methods are provided for catalytic hydroprocessing to form lubricant base oils. The methods can include performing high pressure hydrofinishing after fractionating the hydrotreated and/or hydrocracked and/or dewaxed effluent. Performing hydrofinishing after fractionation can allow the high hydrogen pressure for hydrofinishing to be used on one or more lubricant base oil fractions that are desirable for high pressure hydrofinishing. This can allow for improved aromatic saturation of a lubricant base oil product while reducing or minimizing the hydrogen consumption. The high pressure hydrofinishing can be performed at a hydrogen partial pressure of at least about 2500 psig (˜17.2 Mpa), or at least about 2600 psig (˜18.0 Mpa), or at least about 3000 psig (˜20.6 MPa). The high pressure hydrofinishing can allow for formation of a lubricant base oil product with a reduced or minimized aromatics content, a reduced or minimized 3-ring aromatics content, or a combination thereof.
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公开(公告)号：US20170283716A1
公开(公告)日：2017-10-05
申请号：US15453227
申请日：2017-03-08
Applicant: ExxonMobil Research and Engineering Company
Inventor： Bradley R. Fingland , Gary P. Schleicher
IPC: C10G69/02
CPC classification number: C10G69/02 , B01J29/043 , C10G45/04 , C10G45/08 , C10G45/46 , C10G47/02 , C10G65/12 , C10G2300/1048 , C10G2300/302 , C10G2300/4012 , C10G2400/10 , C10M101/02 , C10M2203/1025 , C10N2220/022
Abstract: Systems and methods are provided for catalytic hydroprocessing to form lubricant base oils. The methods can include performing high pressure hydrofinishing after fractionating the hydrotreated and/or hydrocracked and/or dewaxed effluent. Performing hydrofinishing after fractionation can allow the high hydrogen pressure for hydrofinishing to be used on one or more lubricant base oil fractions that are desirable for high pressure hydrofinishing. This can allow for improved aromatic saturation of a lubricant base oil product while reducing or minimizing the hydrogen consumption. The high pressure hydrofinishing can be performed at a hydrogen partial pressure of at least about 2500 psig (˜17.2 Mpa), or at least about 2600 psig (˜18.0 Mpa), or at least about 3000 psig (˜20.6 MPa). The high pressure hydrofinishing can allow for formation of a lubricant base oil product with a reduced or minimized aromatics content, a reduced or minimized 3-ring aromatics content, or a combination thereof.
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公开(公告)号：US20170182484A1
公开(公告)日：2017-06-29
申请号：US15381570
申请日：2016-12-16
Applicant: ExxonMobil Research and Engineering Company
Inventor： Matthew S. Ide , Stephen J. McCarthy , Gary P. Schleicher
Abstract: Methods are provided for forming noble metal catalysts comprising both platinum and a second Group VIII metal, such as palladium, with improved aromatic saturation activity. Instead of impregnating a catalyst with both platinum and another Group VIII metal at the same time, a sequential impregnation can be used, with the Group VIII metal being impregnated prior to platinum. It has been discovered that by forming a Group VIII metal-impregnated catalyst first, and then impregnating with platinum, the distribution of platinum throughout the catalyst can be improved. The improved distribution of platinum can result in a catalyst with enhanced aromatic saturation activity relative to a catalyst with a similar composition formed by simultaneous impregnation.
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