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公开(公告)号：US10239043B2
公开(公告)日：2019-03-26
申请号：US15320334
申请日：2015-06-22
发明人： Junqiang Liu , Douglas E. Beyer , Edward M. Calverley , Chan Han
IPC分类号： B01D53/02 , B01J20/20 , B01J20/28 , B01J20/30 , B01D67/00 , B01D71/02 , C01B32/00 , C01B32/306 , C01B32/354 , B01D53/22 , B01D69/02 , B01D71/34
摘要： Novel carbon molecular sieve (CMS) compositions comprising carbonized vinylidene chloride copolymer having micropores with an average micropore size ranging from 3.0 to 5.0. These materials offer capability in separations of gas mixtures including, for example, propane/propylene; nitrogen/methane; and ethane/ethylene. Such may be prepared by a process wherein vinylidene chloride copolymer beads, melt extruded film or fiber are pretreated to form a precursor that is finally carbonized at high temperature. Preselection or knowledge of precursor crystallinity and attained maximum pyrolysis temperature enables preselection or knowledge of a average micropore size, according to the equation ?=6.09+(0.0275×C)−(0.00233×T), wherein ? is the average micropore size in Angstroms, C is the crystallinity percentage and T is the attained maximum pyrolysis temperature in degrees Celsius, provided that crystallinity percentage ranges from 25 to 75 and temperature in degrees Celsius ranges from 800 to 1700. The beads, fibers or film may be ground, post-pyrolysis, and combined with a non-coating binder to form extruded pellets, or alternatively the fibers may be woven, either before or after pre-treatment, to form a woven fiber sheet which is thereafter pyrolyzed to form a woven fiber adsorbent.
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公开(公告)号：US20230278006A1
公开(公告)日：2023-09-07
申请号：US18007386
申请日：2021-07-07
发明人： Junqiang Liu , Dean M. Millar
IPC分类号： B01J20/20 , C01B32/306 , C01B32/318 , B01J20/28 , B01J20/30 , B01D71/02 , B01D67/00 , B01D53/22
CPC分类号： B01J20/20 , C01B32/306 , C01B32/318 , B01J20/28033 , B01J20/3085 , B01J20/3078 , B01D71/021 , B01D67/0067 , B01D53/228 , B01D2257/504 , B01D2257/108 , B01D2256/245
摘要： A method of forming a carbon molecular sieve membrane includes dissolving a halogenated precursor polymer in a solvent, thereby forming a dissolved halogenated precursor polymer. Homogeneously dehydrohalogenating the dissolved halogenated precursor polymer with an organic amine base to form a partially dehydrohalogenated polymer. Forming a thin film from the partially dehydrohalogenated polymer. Pyrolyzing the thin film to form the carbon molecular sieve membrane.
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3.发明申请公开(公告)号：US20200206696A1
公开(公告)日：2020-07-02
申请号：US16717788
申请日：2019-12-17
发明人： Yao Ma , Melinda Jue , Ryan Lively , Dhaval Ajit Bhandari
IPC分类号： B01D71/02 , B01D53/22 , B01D67/00 , B01D69/02 , B01D53/02 , C07C7/13 , C10L3/10 , C10G25/05 , C01B32/306 , C01B32/336 , B01J20/20 , B01J20/28 , B01J20/30
摘要： Disclosed herein are carbon molecular sieves and methods of making the same through the pyrolysis of a polymer precursor in the presence of a reactive gas stream including a hydrogen source.
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公开(公告)号：US10421058B2
公开(公告)日：2019-09-24
申请号：US15433477
申请日：2017-02-15
发明人： Yuguo Wang , Cemal Ercan , Rashid M. Othman , Minkee Choi , Seokin Choi
IPC分类号： C01B31/08 , B01J20/20 , B01J20/28 , B01J20/32 , B01J20/30 , B01J19/24 , B01J3/00 , C01B32/05 , C01B32/306 , C10L3/06
摘要： Embodiments provide a methane microporous carbon adsorbent including a thermally-treated CVD carbon having a shape in the form of a negative replica of a crystalline zeolite has a BET specific surface area, a micropore volume, a micropore to mesopore volume ratio, a stored methane value and a methane delivered value and a sequential carbon synthesis method for forming the methane microporous carbon adsorbent. Introducing an organic precursor gas for a chemical vapor deposition (CVD) period to a crystalline zeolite that is maintained at a CVD temperature forms the carbon-zeolite composite. Introducing a non-reactive gas for a thermal treatment period to the carbon-zeolite composite maintained at a thermal treatment temperature forms the thermally-treated carbon-zeolite composite. Introducing an aqueous strong mineral acid mixture to the thermally-treated carbon-zeolite composite forms the methane microporous carbon adsorbent. The crystalline zeolite includes tri-ethanolamine (TEA) and has a shape that is orthogonal with a mid-edge length in a range of 8 μm to 20 μm.
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公开(公告)号：US20180178190A1
公开(公告)日：2018-06-28
申请号：US15895635
申请日：2018-02-13
发明人： Adam M. Redding
IPC分类号： B01J20/20 , G01N15/08 , C01B32/354 , C01B32/30 , C01B32/306 , B01J20/28 , C01B32/348 , B01J20/34 , B01J20/32 , B01J20/30 , C02F1/28 , C02F101/36
CPC分类号： B01J20/20 , B01J20/28011 , B01J20/28083 , B01J20/3078 , B01J20/3204 , B01J20/3236 , B01J20/3416 , B01J20/3475 , B01J2220/485 , B01J2220/4881 , C01B32/30 , C01B32/306 , C01B32/348 , C01B32/354 , C01P2006/16 , C02F1/283 , C02F2101/36 , G01N15/088 , G01N2015/0866
摘要： Mesoporous activated carbon having a mesopore structure of at least about 10%. In at least some embodiments, the activated carbon may be coconut shell-based. The enhanced activated carbon may have an intraparticle diffusion constant of at least about 40 mg/g/hr1/2.
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公开(公告)号：US20230372893A1
公开(公告)日：2023-11-23
申请号：US18247231
申请日：2021-09-24
申请人： National Institute of Advanced Industrial Science and Technology , Futamura Kagaku Kabushiki Kaisha
发明人： Nobuyoshi YAMASHITA , Sachi TANIYASU , Tsutomu KOUSAKA , Makoto YOKOI , Chiharu HORI , Kodai SHIMAMURA , Takuya ASANO
IPC分类号： B01J20/20 , C01B32/306 , B01J20/28 , B01J20/282
CPC分类号： B01J20/20 , C01B32/306 , B01J20/28064 , B01J20/28066 , B01J20/28092 , B01J20/282 , B01J2220/54 , B01J2220/58 , C01P2006/12 , C01P2006/14
摘要： An activated carbon for adsorbing neutral per- and polyfluoroalkyl compounds used in quantitative analysis of neutral per- and polyfluoroalkyl compounds in a water sample includes an activated carbon having a BET specific surface area of 900 m2/g or more for desorbably adsorbing neutral per- and polyfluoroalkyl compounds distributed in a gas phase from the water sample by aerating or bubbling, with an inert gas as a carrier gas, the water sample sealed in a vessel and temperature-controlled to a temperature at which the neutral per- and polyfluoroalkyl compounds can be distributed in a gas phase.
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公开(公告)号：US11377358B2
公开(公告)日：2022-07-05
申请号：US16802722
申请日：2020-02-27
发明人： Hidemi Kato , Masashi Tsuda , Yugo Takano , Yosuke Suzuki , Tsutomu Chino , Koji Kamata , Shota Muronaka
IPC分类号： C01B31/08 , C01B32/348 , C22C1/10 , C22C32/00 , C01B32/30 , C01B32/306
摘要： A novel method for producing a porous carbon material which makes it possible to easily produce a porous carbon material having a desired shape. The method includes immersing a carbon-containing material having a desired shape and composed of a compound, alloy or non-equilibrium alloy containing carbon in a metal bath, the metal bath having a solidification point that is lower than a melting point of the carbon-containing material, the metal bath being controlled to a lower temperature than a minimum value of a liquidus temperature within a compositional fluctuation range extending from the carbon-containing material to carbon by decreasing the other non-carbon main components, to thereby selectively elute the other non-carbon main components into the metal bath while maintaining an external shape of the carbon-containing material to give a porous carbon material having microvoids.
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公开(公告)号：US10252244B2
公开(公告)日：2019-04-09
申请号：US15895635
申请日：2018-02-13
发明人： Adam M. Redding
IPC分类号： B01J20/20 , B01J20/32 , B01J20/34 , B01J20/28 , B01J20/30 , G01N15/08 , C01B32/30 , C01B32/354 , C01B32/306 , C01B32/348 , C02F1/28 , C02F101/36
摘要： Mesoporous activated carbon having a mesopore structure of at least about 10%. In at least some embodiments, the activated carbon may be coconut shell-based. The enhanced activated carbon may have an intraparticle diffusion constant of at least about 40 mg/g/hr1/2.
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公开(公告)号：US10131770B2
公开(公告)日：2018-11-20
申请号：US15121424
申请日：2015-02-13
IPC分类号： C08K7/24 , D01D5/247 , D01F6/54 , D01F9/22 , C08J3/00 , D01F6/56 , B29B7/00 , D01F1/08 , C04B35/565 , C04B35/83 , C04B38/00 , C01B32/00 , C01B32/306 , C01B32/366 , C01B32/354 , B29C55/00 , B29K33/20 , B29L31/00
摘要： A carbon material having a continuous porous structure oriented to the stretching axis is provided, which carbon material can be used as a structural material excellent in interfacial adhesion. The porous carbon material has a continuous porous structure in at least a portion thereof, in which the continuous porous structure has an orientation degree measured by a small-angle X-ray scattering method or an X-ray CT method of 1.10 or more.
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10.发明授权公开(公告)号：US11660575B2
公开(公告)日：2023-05-30
申请号：US16717788
申请日：2019-12-17
发明人： Yao Ma , Melinda Jue , Ryan Lively , Dhaval Ajit Bhandari
IPC分类号： C01B32/336 , C01B32/306 , B01D71/02 , B01D67/00 , B01D69/02 , B01D53/02 , C07C7/13 , C10L3/10 , C10G25/05 , B01J20/20 , B01J20/28 , B01J20/30 , B01D53/22
CPC分类号： B01D71/021 , B01D53/02 , B01D53/228 , B01D67/0044 , B01D67/0067 , B01D69/02 , B01J20/20 , B01J20/2808 , B01J20/28033 , B01J20/28059 , B01J20/28061 , B01J20/28064 , B01J20/3078 , C01B32/306 , C01B32/336 , C07C7/13 , C10G25/05 , C10L3/103 , C10L3/104 , C10L3/105 , B01D2253/102 , B01D2253/306 , B01D2253/308 , B01D2256/245 , B01D2257/702 , B01D2325/02 , B01D2325/20 , C01P2002/72 , C01P2006/12 , C01P2006/16 , C10G2300/107 , C10G2300/1044 , C10G2300/1051 , C10G2300/1077 , C10G2300/205 , C10G2300/206 , C10G2300/208 , C10G2400/30 , C10L2290/542
摘要： Disclosed herein are carbon molecular sieves and methods of making the same through the pyrolysis of a polymer precursor in the presence of a reactive gas stream including a hydrogen source.
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