CA2963431C - Procede de production de membranes nanoporeuses pour la purification de l'eau contre les ions metalliques a de faibles pressions differentielles - Google Patents
Procede de production de membranes nanoporeuses pour la purification de l'eau contre les ions metalliques a de faibles pressions differentielles Download PDFInfo
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- CA2963431C CA2963431C CA2963431A CA2963431A CA2963431C CA 2963431 C CA2963431 C CA 2963431C CA 2963431 A CA2963431 A CA 2963431A CA 2963431 A CA2963431 A CA 2963431A CA 2963431 C CA2963431 C CA 2963431C
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Classifications
-
- 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
-
- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
-
- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
- B01D67/0034—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods by micromachining techniques, e.g. using masking and etching steps, photolithography
-
- 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
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0053—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/006—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
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- 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
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0053—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/006—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
- B01D67/0062—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods by micromachining techniques, e.g. using masking and etching steps, photolithography
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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
- B01D71/02—Inorganic material
- B01D71/021—Carbon
- B01D71/0211—Graphene or derivates thereof
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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
- B01D71/02—Inorganic material
- B01D71/0215—Silicon carbide; Silicon nitride; Silicon oxycarbide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- 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
- B01D2325/02831—Pore size less than 1 nm
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Il est décrit un procédé de production dun tamis moléculaire perméable à leau dans lequel un substrat poreux ayant des pores de taille de micron a déposé, sur une surface des pores, des plaquettes bidimensionnelles et non poreuses pour étanchéifier, à la surface du substrat, des pores dans un substrat poreux afin de former une couche de plaquettes bidimensionnelles. Un produit détanchéité durcissable est déposé sur la couche de plaquettes bidimensionnelles et toute zone exposée restante de la surface du substrat poreux, et durcissant le produit détanchéité durcissable afin de former une couche étanche sur la surface du substrat poreux afin dempêcher un contournement, par leau, des plaquettes bidimensionnelles et non poreuses et afin dempêcher un passage à travers le substrat poreux. Un réseau de sub-nanopores est ensuite produit à travers la couche étanche, le réseau de sub-nanopores ayant une taille permettant à leau de passer à travers de la couche étanche mais non pas aux ions de métal de donner un tamis moléculaire perméable à leau caractérisé par une perméabilité deau à de faibles pressions différentielles.
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CA2963431A CA2963431C (fr) | 2017-04-06 | 2017-04-06 | Procede de production de membranes nanoporeuses pour la purification de l'eau contre les ions metalliques a de faibles pressions differentielles |
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CA2963431A CA2963431C (fr) | 2017-04-06 | 2017-04-06 | Procede de production de membranes nanoporeuses pour la purification de l'eau contre les ions metalliques a de faibles pressions differentielles |
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CA2963431A1 CA2963431A1 (fr) | 2018-10-06 |
CA2963431C true CA2963431C (fr) | 2023-04-18 |
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CN115772328A (zh) * | 2022-12-09 | 2023-03-10 | 陕西科技大学 | 一种高介电导热复合材料及制备方法和应用 |
CN115746558B (zh) * | 2022-12-29 | 2024-01-16 | 湖北洋田塑料制品有限公司 | 一种高温耐磨阻燃的稀土尼龙复合材料及其制备方法 |
CN116515146A (zh) * | 2023-05-06 | 2023-08-01 | 陕西科技大学 | 一种具有纤维素/石墨烯-Mxene杂化交织结构的多功能薄膜材料及其制备方法 |
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