Metal solution-diffusion membrane and method for producing...

Details Metal solution-diffusion membrane and method for producing... Metal solution-diffusion membrane and method for producing...

2005-11-15

2005-11-15

Spitzer, Robert H. (Department: 1724)

Gas separation: apparatus

Apparatus for selective diffusion of gases

Hollow fiber or cylinder

C095S056000, C096S011000, C055S524000, C055SDIG007

Reexamination Certificate

active

06964697

ABSTRACT:
A metal solution-diffusion membrane of a macroporous base on which a thin metal membrane layer is formed is disclosed. In the membrane, the base includes a hollow fiber with a metal material containing an intermediate layer being formed between the hollow fiber and the metal membrane layer. The metal solution-diffusion membrane can be made with a very thin metal membrane layer with high permeability and possesses long-term stability as well as a great separation surface/volume ratio. A method for producing a metal solution-diffusion membrane in which the intermediate layer serves to provide nuclei for the subsequent currentless deposition of the metal layer is also disclosed.

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