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公开(公告)号:US12115504B2
公开(公告)日:2024-10-15
申请号:US17055679
申请日:2019-05-29
CPC分类号: B01D69/1214 , B01D69/02 , B01D69/081 , B01D71/0211 , B01D71/024 , B01D2325/023
摘要: Stable maintenance of high separation performance of a separation membrane having a separation layer comprising a compact carbon layer is described in addition to a separation membrane having a separation layer comprising a compact carbon layer, wherein particles are attached to the compact carbon layer, recesses are present in the compact carbon layer, and the particles are at least partially stuck in the recesses.
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公开(公告)号:US20240226816A1
公开(公告)日:2024-07-11
申请号:US18607186
申请日:2024-03-15
CPC分类号: B01D69/148 , B01D53/228 , B01D67/00791 , B01D67/00793 , B01D69/12 , B01D69/1251 , B01D71/0211 , B01D71/0212 , B01D71/56
摘要: New carbon nanomaterials, preferably titanium carbide-derived carbon (CDC) nanoparticles, were embedded into a polyamide film to give CDC/polyamide mixed matrix membranes by the interfacial polymerization reaction of an aliphatic diamine, e.g., piperazine, and an activated aromatic dicarboxylate, e.g., isophthaloyl chloride, supported on a sulfone-containing polymer, e.g., polysulfone (PSF), layer, which is preferably previously prepared by dry/wet phase inversion. The inventive membranes can separate CO2 (or other gases) from mixtures of CO2 and further gases, esp. CH4, based upon the generally selective nanocomposite layer(s) of CDC/polyamide.
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公开(公告)号:US20240198297A1
公开(公告)日:2024-06-20
申请号:US18084085
申请日:2022-12-19
发明人: Umair BAIG , Abdul WAHEED
CPC分类号: B01D71/68 , B01D71/0211 , B01D71/481 , B82Y30/00
摘要: A membrane including a polysulfone/polyethylene terephthalate (PSf/PET) support and an active layer on an outer surface of the PSf/PET support. The active layer comprises reacted units of a diacyl chloride compound, a tetra-amine compound, and a nanocomposite including graphitic carbon nitride and polypyrrole. The membrane of the present disclosure is self-cleaning following exposure to radiation and finds application in water decontamination and de-salination.
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公开(公告)号:US12102967B2
公开(公告)日:2024-10-01
申请号:US18607198
申请日:2024-03-15
发明人: Isam H Aljundi , Abdelrahman M Awad
CPC分类号: B01D69/148 , B01D53/228 , B01D67/0079 , B01D67/00791 , B01D67/00793 , B01D69/12 , B01D69/1251 , B01D71/021 , B01D71/0211 , B01D71/0212 , B01D71/56
摘要: New carbon nanomaterials, preferably titanium carbide-derived carbon (CDC) nanoparticles, were embedded into a polyamide film to give CDC/polyamide mixed matrix membranes by the interfacial polymerization reaction of an aliphatic diamine, e.g., piperazine, and an activated aromatic dicarboxylate, e.g., isophthaloyl chloride, supported on a sulfone-containing polymer, e.g., polysulfone (PSF), layer, which is preferably previously prepared by dry/wet phase inversion. The inventive membranes can separate CO2 (or other gases) from mixtures of CO2 and further gases, esp. CH4, based upon the generally selective nanocomposite layer(s) of CDC/polyamide.
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公开(公告)号:US12090448B2
公开(公告)日:2024-09-17
申请号:US17603274
申请日:2021-03-01
IPC分类号: B32B9/00 , B01D71/02 , C01B32/178 , C01B32/194 , B82Y40/00
CPC分类号: B01D71/0211 , C01B32/178 , C01B32/194 , B82Y40/00 , C01B2202/02 , C01B2202/26 , C01P2004/13 , C01P2004/64 , C01P2004/80 , C01P2006/12 , C01P2006/14
摘要: The present disclosure provides a carbon material including a carbon-containing layer having opening parts; and a solid body provided so as to cover the opening parts of the carbon-containing layer, in which the solid body has hole parts communicating with the opening parts.
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公开(公告)号:US20240226817A1
公开(公告)日:2024-07-11
申请号:US18618064
申请日:2024-03-27
申请人: 2599218 ONTARIO INC.
发明人: IAN FLINT , NIFEMI OGUNTUASE
CPC分类号: B01D71/0211 , B01D67/0069 , B01D69/105 , B01D69/1216
摘要: A method for making a substrate for a graphene membrane comprises: a. providing a sheet of a porous polymer; b. treating the sheet of the porous polymer with an acid to impart a negative charge to the sheet of the porous polymer, to yield a charged surface; and c. treating the charged surface with at least one metal ion.
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公开(公告)号:US20240226815A9
公开(公告)日:2024-07-11
申请号:US18381753
申请日:2023-10-19
发明人: Shadi Wajih HASAN , Fawzi BANAT , Ahmed Fayez YOUSEF , Lobna Issa NASSAR , Hiyam Hisham KHALIL , Hanaa Mohamed Samy Mohamed Saber HEGAB , Vijay Kumar Shankarayya WADI
IPC分类号: B01D69/14 , B01D67/00 , B01D71/02 , B01D71/48 , C01B32/174 , C01B32/194 , C01B32/198 , C02F1/44
CPC分类号: B01D69/148 , B01D67/0079 , B01D71/0211 , B01D71/0212 , B01D71/48 , C01B32/174 , C01B32/194 , C01B32/198 , C02F1/44 , C01B2202/06 , C01P2002/72 , C01P2002/82 , C01P2002/88 , C01P2004/03
摘要: The present disclosure relates to sustainable and green polylactic acid-based membranes embedded with self-assembled positively and negatively charged multiwalled carbon nanotube/graphene oxide nanohybrids for the removal of organic and inorganic nutrients from wastewater, and methods of synthesis of the same. A positively charged multi-walled carbon nanotube/graphene oxide (f-MWCNT/GO) nanohybrid-based mixed matrix membrane can comprise a self-assembled multi-walled carbon nanotube and graphene oxide (f-MWCNT/GO) nanohybrid, and a polylactic acid (PLA) membrane matrix. The f-MWCNT/GO nanohybrid is integrated into the PLA membrane matrix to form the positively charged mixed matrix membrane. A negatively charged multi-walled carbon nanotubes (f-GO/MWCNTs-COOH) nanohybrid-based mixed matrix membrane can comprise a positively charged Graphene Oxide and negatively charged multi-walled carbon nanotube-COOH (f-GO/MWCNTs-COOH) nanohybrid, and a polylactic acid (PLA) membrane matrix. The f-GO/MWCNTs-COOH nanohybrid is integrated into the PLA membrane matrix to form the negatively charged mixed matrix membrane.
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公开(公告)号:US20240157308A1
公开(公告)日:2024-05-16
申请号:US18509312
申请日:2023-11-15
发明人: MinKee Choi , Chaehoon Kim
IPC分类号: B01D71/02 , B01D67/00 , C01B32/186 , C01B32/198
CPC分类号: B01D71/0211 , B01D67/0088 , C01B32/186 , C01B32/198 , B01D2323/21819 , B01D2325/04 , C01P2006/16
摘要: Disclosed are a microporous graphene oxide sheet, a method of manufacturing the same, a dispersion including the same, and a membrane including a stack of the microporous graphene oxide sheet, the microporous graphene oxide sheet having an average size of pores ranging from about 0.1 nm to about 2 nm, wherein a spacing between pores is about 0.3 nm to about 10 nm, a standard deviation for the spacing between pores is less than or equal to about 5 nm.
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公开(公告)号:US20230201776A1
公开(公告)日:2023-06-29
申请号:US17998488
申请日:2021-05-14
IPC分类号: B01D71/02 , C01B32/198 , C01B32/194 , A61M1/16 , B01D69/10 , B01D67/00 , B01D69/12 , B01D61/42
CPC分类号: B01D71/0211 , A61M1/1696 , B01D61/428 , B01D67/00416 , B01D69/12 , B01D69/108 , C01B32/194 , C01B32/198 , B01D2323/30 , C01B2204/22 , C01P2002/72 , C01P2002/78
摘要: A graphene oxide-based membrane There is provided a graphene oxide-based membrane comprising a substrate and a plurality of layers of single-layered graphene oxide formed on the substrate, each of the plurality of layers of single-layered graphene oxide is functionalised by at least one diamine functional group, wherein interlayer spacing between two adjacent layers of single-layered graphene oxide is ≤ 10 Å. The membrane may be comprised in an electrocapacitive unit. There is also provided a method of forming the membrane.
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公开(公告)号:US12102966B2
公开(公告)日:2024-10-01
申请号:US18607186
申请日:2024-03-15
CPC分类号: B01D69/148 , B01D53/228 , B01D67/00791 , B01D67/00793 , B01D69/12 , B01D69/1251 , B01D71/0211 , B01D71/0212 , B01D71/56 , B01D2257/504
摘要: New carbon nanomaterials, preferably titanium carbide-derived carbon (CDC) nanoparticles, were embedded into a polyamide film to give CDC/polyamide mixed matrix membranes by the interfacial polymerization reaction of an aliphatic diamine, e.g., piperazine, and an activated aromatic dicarboxylate, e.g., isophthaloyl chloride, supported on a sulfone-containing polymer, e.g., polysulfone (PSF), layer, which is preferably previously prepared by dry/wet phase inversion. The inventive membranes can separate CO2 (or other gases) from mixtures of CO2 and further gases, esp. CH4, based upon the generally selective nanocomposite layer(s) of CDC/polyamide.
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