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1.发明申请公开(公告)号：US20210121850A1
公开(公告)日：2021-04-29
申请号：US16635790
申请日：2018-08-01
Applicant: Research Triangle institute
Inventor： Jian-Ping Shen , Jason S. Norman , Brian S. Turk , Ragbubir Gupta
Abstract: Zinc oxide-based sorbents, and processes for preparing and using them are provided, wherein the sorbents are preferably used to remove one or more reduced sulfur species from gas streams. The sorbents contain an active zinc component, optionally in combination with one or more promoter components and/or one or more substantially inert components. The active zinc component is a two-phase material, consisting essentially of a zinc oxide (ZnO) phase and a zinc aluminate (ZnAl2O4) phase. Each of the two phases is characterized by a relatively small crystallite size of typically less than about 50 nm (500 Angstroms). Preferably the sorbents are prepared by using an alkali metal base to convert a precursor mixture, containing a precipitated zinc oxide precursor and a precipitated aluminum oxide precursor, to the two-phase, active zinc oxide containing component, with the resulting sorbent having a sodium level within a desired range.
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公开(公告)号：US20180339902A1
公开(公告)日：2018-11-29
申请号：US16003716
申请日：2018-06-08
Applicant: Research Triangle Institute
Inventor： Brian S. Turk , Vijay Gupta , David L. Denton , Raghubir P. Gupta , Himanshu Paliwal
IPC: C01B3/16 , B01J7/02 , C10L3/10 , C10K3/04 , C10K1/32 , C10K1/20 , C10K1/10 , C10K1/00 , B01J19/00 , B01J20/34 , C01B3/52 , C01B17/04 , C01B17/74 , B01D53/14 , B01D53/52 , B01D53/96 , B01D53/83 , B01D53/62 , B01D53/48 , C01B3/56
Abstract: A water gas shift reaction is carried out on a feed gas comprising carbon monoxide to produce carbon dioxide and hydrogen gas. The feed gas is split into multiple input streams flowed into respective reactors coupled in series. Steam is supplied to the input stream fed to the first reactor. The shift reaction is carried out in each reactor, with an overall reduced consumption of steam relative to the amount of gas shifted. The water gas shift reaction may be performed in conjunction with removing acid gas compounds from a process gas such as, for example, syngas or natural gas, by flowing a feed gas into a desulfurization unit to remove a substantial fraction of sulfur compounds from the feed gas and flowing the resulting desulfurized gas into a CO2 removal unit to remove a substantial fraction of CO2 from the desulfurized gas.
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公开(公告)号：US11491457B2
公开(公告)日：2022-11-08
申请号：US16635790
申请日：2018-08-01
Applicant: Research Triangle Institute
Inventor： Jian-Ping Shen , Jason S. Norman , Brian S. Turk , Raghubir Gupta
Abstract: Zinc oxide-based sorbents, and processes for preparing and using them are provided, wherein the sorbents are preferably used to remove one or more reduced sulfur species from gas streams. The sorbents contain an active zinc component, optionally in combination with one or more promoter components and/or one or more substantially inert components. The active zinc component is a two-phase material, consisting essentially of a zinc oxide (ZnO) phase and a zinc aluminate (ZnAl2O4) phase. Each of the two phases is characterized by a relatively small crystallite size of typically less than about 50 nm (500 Angstroms). Preferably the sorbents are prepared by using an alkali metal base to convert a precursor mixture, containing a precipitated zinc oxide precursor and a precipitated aluminum oxide precursor, to the two-phase, active zinc oxide containing component, with the resulting sorbent having a sodium level within a desired range.
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公开(公告)号：US20150051428A1
公开(公告)日：2015-02-19
申请号：US14382822
申请日：2013-03-06
Applicant: RESEARCH TRIANGLE INSTITUTE
Inventor： David C. Dayton , Raghubir P. Gupta , Brian S. Turk , Atish Kataria , Jian-Ping Shen
CPC classification number: C10B53/02 , B01J23/002 , B01J23/70 , B01J23/78 , B01J23/835 , B01J23/85 , B01J23/8892 , B01J23/94 , B01J37/0045 , B01J37/03 , B01J37/18 , B01J38/06 , B01J38/10 , B01J38/12 , C10B57/06 , C10G1/002 , C10G1/08 , C10G1/086 , C10G2300/1011 , Y02E50/13 , Y02E50/14 , Y02E50/32 , Y02P20/145 , Y02P30/20 , Y02T50/678
Abstract: Described herein are processes for converting a biomass starting material (such as lignocellulosic materials) into a low oxygen containing, stable liquid intermediate that can be refined to make liquid hydrocarbon fuels. More specifically, the process can be a catalytic biomass pyrolysis process wherein an oxygen removing catalyst is employed in the reactor while the biomass is subjected to pyrolysis conditions. The stream exiting the pyrolysis reactor comprises bio-oil having a low oxygen content, and such stream may be subjected to further steps, such as separation and/or condensation to isolate the bio-oil.
Abstract translation: 本文描述了将生物质起始材料（例如木质纤维素材料）转化成可被精制以制备液体烃燃料的低含氧稳定液体中间体的方法。 更具体地，该方法可以是催化生物质热解方法，其中在反应器中使用除氧催化剂，同时对生物质进行热解条件。 离开热解反应器的物流包含具有低氧含量的生物油，并且这种物流可以经受进一步的步骤，例如分离和/或冷凝以分离生物油。
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公开(公告)号：US20250033964A1
公开(公告)日：2025-01-30
申请号：US18225191
申请日：2023-07-24
Applicant: Research Triangle Institute
Inventor： Shaojun James Zhou , Raghubir P. Gupta , John Reeves Carpenter, III , Brian S. Turk
Abstract: Synthesis gas containing nitrogen as the majority component is processed to increase the hydrogen to carbon dioxide ratio. Nitrogen, carbon dioxide, and other contaminants are subsequently removed by a purification unit to produce a purified hydrogen gas stream. A recycle stream within the purification unit helps achieve a hydrogen purity greater than 99.9 percent, and hydrogen recovery greater than 99 percent.
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Patent Agency Ranking
公开(公告)号：US11724938B2
公开(公告)日：2023-08-15
申请号：US16652318
申请日：2018-09-24
Applicant: Research Triangle Institute
Inventor： Shaojun James Zhou , Raghubir P. Gupta , John Reeves Carpenter , Brian S. Turk
CPC classification number: C01B3/56 , C01B3/366 , C01B3/48 , C01B3/501 , C01B2203/0255 , C01B2203/0283 , C01B2203/043 , C01B2203/0405 , C01B2203/0475 , C01B2203/1241 , C01B2203/146 , C01B2203/148
Abstract: Synthesis gas containing nitrogen as the majority component is processed to increase the hydrogen to carbon dioxide ratio. Nitrogen, carbon dioxide, and other contaminants are subsequently removed by a purification unit to produce a purified hydrogen gas stream. A recycle stream within the purification unit helps achieve a hydrogen purity greater than 99.9 percent, and hydrogen recovery greater than 99 percent.
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公开(公告)号：US20200231435A1
公开(公告)日：2020-07-23
申请号：US16652318
申请日：2018-09-24
Applicant: Research Triangle Institute
Inventor： Shaojun James Zhou , Raghubir P. Gupta , John Reeves Carpenter , Brian S. Turk
Abstract: Synthesis gas containing nitrogen as the majority component is processed to increase the hydrogen to carbon dioxide ratio. Nitrogen, carbon dioxide, and other contaminants are subsequently removed by a purification unit to produce a purified hydrogen gas stream. A recycle stream within the purification unit helps achieve a hydrogen purity greater than 99.9 percent, and hydrogen recovery greater than 99 percent.
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公开(公告)号：US10414649B2
公开(公告)日：2019-09-17
申请号：US15521467
申请日：2015-10-20
Applicant: Research Triangle Institute
Inventor： David L. Denton , Raghubir P. Gupta , Brian S. Turk , Vijay Gupta , Himanshu Paliwal
IPC: C01B3/16 , B01D53/48 , B01D53/62 , B01D53/14 , B01D53/83 , B01D53/96 , B01J7/02 , B01J19/00 , C01B3/56 , C10K1/00 , C10K1/10 , C10K1/20 , C10K1/32 , C10K3/04 , C10L3/10 , B01D53/52 , B01J20/34 , C01B3/52 , C01B17/04 , C01B17/74
Abstract: Acid gas compounds are removed from a process gas such as, for example, syngas or natural gas, by flowing a feed gas into a desulfurization unit to remove a substantial fraction of sulfur compounds from the feed gas and flowing the resulting desulfurized gas into a CO2 removal unit to remove a substantial fraction of CO2 from the desulfurized gas.
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公开(公告)号：US20190352177A1
公开(公告)日：2019-11-21
申请号：US16525116
申请日：2019-07-29
Applicant: Research Triangle Institute
Inventor： David L. Denton , Raghubir P. Gupta , Brian S. Turk , Vijay Gupta , Himanshu Paliwal
IPC: C01B3/16 , C10L3/10 , C01B3/56 , C01B17/74 , C01B17/04 , C01B3/52 , B01D53/48 , B01D53/62 , B01D53/14 , B01D53/83 , B01D53/96 , B01J20/34 , C10K1/00 , C10K1/10 , B01J19/00 , C10K1/20 , C10K1/32 , B01D53/52 , C10K3/04 , B01J7/02
Abstract: Acid gas compounds are removed from a process gas such as, for example, syngas or natural gas, by flowing a feed gas into a desulfurization unit to remove a substantial fraction of sulfur compounds from the feed gas and flowing the resulting desulfurized gas into a CO2 removal unit to remove a substantial fraction of CO2 from the desulfurized gas.
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公开(公告)号：US20180195006A1
公开(公告)日：2018-07-12
申请号：US15915645
申请日：2018-03-08
Applicant: Research Triangle Institute
Inventor： David C. Dayton , Raghubir P. Gupta , Brian S. Turk , Atish Kataria , Jian-Ping Shen
IPC: C10B53/02 , B01J23/85 , B01J23/835 , B01J23/70 , B01J23/00
CPC classification number: C10B53/02 , B01J23/002 , B01J23/70 , B01J23/78 , B01J23/835 , B01J23/85 , B01J23/8892 , B01J23/94 , B01J37/0045 , B01J37/03 , B01J37/18 , B01J38/06 , B01J38/10 , B01J38/12 , C10B57/06 , C10G1/002 , C10G1/08 , C10G1/086 , C10G2300/1011 , Y02E50/13 , Y02E50/14 , Y02E50/32 , Y02P20/145 , Y02P30/20 , Y02T50/678
Abstract: Described herein are processes for converting a biomass starting material (such as lignocellulosic materials) into a low oxygen containing, stable liquid intermediate that can be refined to make liquid hydrocarbon fuels. More specifically, the process can be a catalytic biomass pyrolysis process wherein an oxygen removing catalyst is employed in the reactor while the biomass is subjected to pyrolysis conditions. The stream exiting the pyrolysis reactor comprises bio-oil having a low oxygen content, and such stream may be subjected to further steps, such as separation and/or condensation to isolate the bio-oil.
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