IN2014DN03347A - - Google Patents
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- Publication number
- IN2014DN03347A IN2014DN03347A IN3347DEN2014A IN2014DN03347A IN 2014DN03347 A IN2014DN03347 A IN 2014DN03347A IN 3347DEN2014 A IN3347DEN2014 A IN 3347DEN2014A IN 2014DN03347 A IN2014DN03347 A IN 2014DN03347A
- Authority
- IN
- India
- Prior art keywords
- composite membrane
- membrane
- optionally
- nanofiltration
- separating layer
- Prior art date
Links
- 239000012528 membrane Substances 0.000 abstract 8
- 239000002131 composite material Substances 0.000 abstract 5
- 238000001728 nano-filtration Methods 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 125000000524 functional group Chemical group 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 239000003880 polar aprotic solvent Substances 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229920001187 thermosetting polymer Polymers 0.000 abstract 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/72—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of the groups B01D71/46 - B01D71/70 and B01D71/701 - B01D71/702
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0083—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/105—Support pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/48—Polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/40—Details relating to membrane preparation in-situ membrane formation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02832—1-10 nm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/027—Nanofiltration
Abstract
The present invention relates to a composite membrane for gas separation and/or nanofiltration of a feed stream solution comprising a solvent and dissolved solutes and showing preferential rejection of the solutes. The composite membrane comprises a separating layer with intrinsic microporosity. The separating layer is suitably formed by interfacial polymerisation on a support membrane. Suitably at least one of the monomers used in the interfacial polymerisation reaction should possess concavity resulting in a network polymer with interconnected nanopores and a membrane with enhanced permeability. The support membrane may be optionally impregnated with a conditioning agent and may be optionally stable in organic solvents particularly in polar aprotic solvents. The top layer of the composite membrane is optionally capped with functional groups to change the surface chemistry. The composite membrane may be cured in the oven to enhance rejection. Finally the composite membrane may be treated with an activating solvent prior to nanofiltration.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1117950.4A GB201117950D0 (en) | 2011-10-18 | 2011-10-18 | Membranes for separation |
PCT/GB2012/052576 WO2013057492A1 (en) | 2011-10-18 | 2012-10-18 | Membranes for separation |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014DN03347A true IN2014DN03347A (en) | 2015-06-05 |
Family
ID=45219871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN3347DEN2014 IN2014DN03347A (en) | 2011-10-18 | 2012-10-18 |
Country Status (12)
Country | Link |
---|---|
US (2) | US10434479B2 (en) |
EP (1) | EP2768605B1 (en) |
JP (1) | JP6121429B2 (en) |
KR (1) | KR101988491B1 (en) |
CN (2) | CN104010718B (en) |
BR (1) | BR112014009214B8 (en) |
ES (1) | ES2833108T3 (en) |
GB (1) | GB201117950D0 (en) |
IL (1) | IL232193B (en) |
IN (1) | IN2014DN03347A (en) |
SG (1) | SG11201401589TA (en) |
WO (1) | WO2013057492A1 (en) |
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IL232193B (en) | 2018-10-31 |
US20140251897A1 (en) | 2014-09-11 |
SG11201401589TA (en) | 2014-05-29 |
ES2833108T3 (en) | 2021-06-14 |
CN108176258A (en) | 2018-06-19 |
BR112014009214B8 (en) | 2022-08-02 |
KR101988491B1 (en) | 2019-06-12 |
BR112014009214A2 (en) | 2017-04-18 |
BR112014009214B1 (en) | 2020-12-01 |
EP2768605A1 (en) | 2014-08-27 |
US20200094198A1 (en) | 2020-03-26 |
CN108176258B (en) | 2021-12-10 |
JP6121429B2 (en) | 2017-04-26 |
CN104010718B (en) | 2018-01-30 |
JP2014530103A (en) | 2014-11-17 |
EP2768605B1 (en) | 2020-08-26 |
US11117104B2 (en) | 2021-09-14 |
IL232193A0 (en) | 2014-06-30 |
CN104010718A (en) | 2014-08-27 |
US10434479B2 (en) | 2019-10-08 |
GB201117950D0 (en) | 2011-11-30 |
WO2013057492A1 (en) | 2013-04-25 |
KR20140085519A (en) | 2014-07-07 |
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