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公开(公告)号：US10335734B2
公开(公告)日：2019-07-02
申请号：US15270410
申请日：2016-09-20
发明人： Davide Bocciardo , Yujiro Itami
摘要： A process for separating a feed gas comprising polar and non-polar gases into a gas mixture enriched in polar gas(es) and a gas mixture depleted in polar gas(es), the process comprising passing the feed gas through a gas separation unit comprising at least two gas-separation modules in order of decreasing selectivity for the polar gas(es), wherein the feed gas entering the gas separation unit comprises 1 to 35 mol % of polar gas(es).
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公开(公告)号：US20230028028A1
公开(公告)日：2023-01-26
申请号：US17777338
申请日：2020-11-24
发明人： Berry Bogels , Yujiro Itami
IPC分类号： B01D67/00 , C07K1/22 , C12N15/10 , B01D69/10 , B01D69/02 , B01D15/34 , B01D15/36 , B01D61/14
摘要： A porous membrane obtainable by a process comprising curing a composition comprising: (i) cross-linking agent(s) comprising at least one ligand group; (ii) inert solvent(s); (iii) polymerization initiator(s); and (vi) optionally monomer(s) other than component (i) which are reactive with component (i); wherein the composition satisfies the following equation: Z=wt(i)/(wt(i)+wt(iii)+wt(iv)) wherein: Z has a value of at least 0.6; wt(i) is the number of grammes of component (i) present in the composition; wt(iii) is the number of grammes of component (iii) present in the composition; and wt(iv) is the number of grammes of component (iv) present in the composition.
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公开(公告)号：US20220274066A1
公开(公告)日：2022-09-01
申请号：US17636528
申请日：2020-08-28
发明人： Anton Van Der Pluijm , Petrus Henricus Maria Van Kessel , Shigehide Itoh , Yujiro Itami , Davide Bocciardo
摘要： A gas separation element comprising a membrane sheet and a permeate spacer, wherein the membrane sheet comprises a porous support and a discriminating layer, CHARACTERISED IN THAT: (a) the permeate spacer has an open space volume of at least 0.0004 m3/m2; and (b) the membrane sheet has an aspect ratio of at least 1.5.
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公开(公告)号：US20240269620A1
公开(公告)日：2024-08-15
申请号：US18564920
申请日：2022-06-14
CPC分类号： B01D69/127 , B01D53/228 , B01D67/0006 , B01D69/105 , B01D71/70 , C08L83/04 , B01D2256/245 , B01D2257/504 , B01D2323/12
摘要： A gas separation membrane comprising the following layers: (i) a support layer; (ii) a buffer layer; (iii) a discriminating layer; (iv) optionally a fluorinated polymer layer; and (v) optionally a protective layer; wherein: (a) the buffer layer (ii) and the discriminating layer (iii) each independently comprise groups of Formula (1): M—(O—)x Formula (1) wherein: each M independently is a metal or metalloid atom; O is an oxygen atom; and each x independently has a value of at least 4; (b) the buffer layer (ii) comprises a surface comprising 4 to 10 atomic % of M of Formula (1) groups, wherein M is as hereinbefore defined; (c) the discriminating layer (iii) comprises a surface comprising more than 10 atomic % of M of Formula (1) groups, wherein M is as hereinbefore defined; and (d) layer (ii) is located between layers (i) and (iii).
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公开(公告)号：US20220297056A1
公开(公告)日：2022-09-22
申请号：US17636497
申请日：2020-08-28
发明人： Anton Van Der Pluijm , Petrus Henricus Maria Van Kessel , Shigehide Itoh , Yujiro Itami , Davide Bocciardo
摘要： A gas separation element comprising a membrane sheet and a permeate spacer, wherein the membrane sheet comprises a porous support and a discriminating layer, CHARACTERISED IN THAT:
(a) the porous support comprises less than 10 mg/m2 of monovalent metal ions; and (b) the discriminating layer has an average thickness of at least 0.7 μm.-
公开(公告)号：US20190262780A1
公开(公告)日：2019-08-29
申请号：US16349409
申请日：2017-11-03
摘要： A composite membrane comprising: (a) a porous support; (b) optionally a gutter layer; (c) a polyimide discriminating layer; and (d) a protective layer comprising dialkylsiloxane groups and having an average thickness of 825 to 2,000 nm; wherein the polyimide discriminating layer comprises 2,4,6-trimethyl-1,3-phenylene groups, each such group independently having an atom or substituent other than H at the 5-position.
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公开(公告)号：US10035108B2
公开(公告)日：2018-07-31
申请号：US15026979
申请日：2014-09-30
发明人： Mayur Dalwani , Shigehide Itoh , Erik Vermeer , Maarten Meijlink , Yujiro Itami
CPC分类号： B01D69/12 , B01D53/228 , B01D69/02 , B01D69/105 , B01D71/32 , B01D71/64 , B01D2323/30 , B01D2323/345 , B01D2325/04
摘要： A composite membrane comprising: a) a porous support; b) a gutter layer; and c) a discriminating layer which satisfies Formula (1): wherein: Ø is xlow_meas>0; and n is the number of individual thickness measurements where x>xrow_meas, >0 ∅ = x _ ( N - n ) ( n - ∑ i = 1 n ( 1 - 1 x low meas ) ) Formula ( 1 )
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公开(公告)号：US20170080381A1
公开(公告)日：2017-03-23
申请号：US15270410
申请日：2016-09-20
发明人： Davide Bocciardo , Yujiro Itami
CPC分类号： B01D53/226 , B01D53/228 , B01D63/12 , B01D71/32 , B01D71/64 , B01D2256/245 , B01D2257/304 , B01D2257/504 , B01D2317/022 , B01D2317/08 , B01D2319/022 , B01D2319/06 , Y02C10/10
摘要： A process for separating a feed gas comprising polar and non-polar gases into a gas mixture enriched in polar gas(es) and a gas mixture depleted in polar gas(es), the process comprising passing the feed gas through a gas separation unit comprising at least two gas-separation modules in order of decreasing selectivity for the polar gas(es), wherein the feed gas entering the gas separation unit comprises 1 to 35 mol % of polar gas(es).
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公开(公告)号：US11850548B2
公开(公告)日：2023-12-26
申请号：US17636497
申请日：2020-08-28
发明人： Anton Van Der Pluijm , Petrus Henricus Maria Van Kessel , Shigehide Itoh , Yujiro Itami , Davide Bocciardo
CPC分类号： B01D53/228 , B01D63/062 , B01D63/103 , B01D2256/245 , B01D2257/504 , B01D2257/7022 , B01D2313/146
摘要： A gas separation element comprising a membrane sheet and a permeate spacer, wherein the membrane sheet comprises a porous support and a discriminating layer, CHARACTERISED IN THAT:
(a) the porous support comprises less than 10 mg/m2 of monovalent metal ions; and
(b) the discriminating layer has an average thickness of at least 0.7 μm.-
公开(公告)号：US11376547B2
公开(公告)日：2022-07-05
申请号：US16633331
申请日：2018-07-05
发明人： Atsushi Mukai , Anton Van Der Pluijm , Nori Miyagishima , Kazuomi Inoue , Davide Bocciardo , Yujiro Itami
摘要： A process for separating a feed gas comprising a polar gas and a non-polar gas into a permeate gas and a retentate gas, one of which is enriched in the polar gas and the other of which is depleted in the polar gas, the process comprising passing the feed gas through a gas separation module comprising: (i) a feed carrier comprising a membrane envelope and a feed spacer located within the membrane envelope; and (ii) a permeate carrier comprising: (a) a macroporous sheet; and (b) a protective sheet; and wherein: i) the feed gas is fed along the feed spacer of the feed carrier and a part of the feed gas passes through the membrane envelope and into the permeate carrier to give the permeate gas and a part of the feed gas is rejected by the membrane to give the retentate gas; ii) the protective sheet shields at least a part of the membrane envelope from contact with the macroporous sheet; and iii) the protective sheet comprises a non-woven material.
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