Separation membrane complex, and method for manufacturing the separation membrane complex
AssigneeNGK Insulators, Ltd.
InventorsAkimasa ICHIKAWA, Hisayoshi Nonaka, Toshihiro Tomita
Life of this patent
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Abstract
A separation membrane complex 1 where a carbon membrane 66 is formed directly on a porous body 61 (surface layer 64) and an intermediate layer 63 has a thickness of 10 to 100 μm can be used as a filter having improved flux and selectivity in comparison with a conventional one.
Claims18
A separation membrane complex comprising a porous body and a separation membrane formed on a surface of the porous body;
- wherein the porous body has a substrate, an intermediate layer formed on the substrate, and a surface layer formed on the intermediate layer;
- and
- the separation membrane is formed directly on the surface layer of the porous body, and the intermediate layer has a thickness of 10 to 100 μm.
A separation membrane complex comprising a porous body and a separation membrane formed on a surface of the porous body;
- wherein the porous body has a substrate, an intermediate layer formed on the substrate, and a surface layer formed on the intermediate layer;
- and
- the separation membrane is formed directly on the surface layer of the porous body, and the intermediate layer is constituted of an aggregate having a primary particle which is smaller than an average pore diameter of the substrate.
A method for manufacturing a separation membrane complex comprising a porous body and a separation membrane formed on a surface of the porous body, the method comprising:
- forming a substrate, forming an intermediate layer having a thickness of 10 to 100 μm on the substrate, and forming a surface layer on the intermediate layer to obtain the porous body;
- and forming the separation membrane directly on the surface layer of the porous body.
A method for manufacturing a separation membrane complex comprising a porous body and a separation membrane formed on a surface of the porous body, the method comprising:
- forming a substrate, forming an intermediate layer on the substrate with a particle consisted of an aggregate having a primary particle which is smaller than an average pore diameter of the substrate, and foaming a surface layer on the intermediate layer to obtain the porous body;
- and forming the separation membrane directly on the surface layer of the porous body.
Dependencies are inferred from the claim text.