Metal solution-diffusion membrane and method for producing the same

摘要

The present invention relates to a metal solution-diffusion membrane of a macroporous base on which a thin metal membrane layer (3) is formed. In the present membrane, the base comprises a hollow fiber (1) with a metal material containing an intermediate layer (2) being formed between the hollow fiber (1) and the metal membrane layer (3). The invention further relates to a method for producing such a metal solution-diffusion membrane in which the intermediate layer (2) serves to provide nuclei for the subsequent currentless deposition of the metal layer (3). The present metal solution-diffusion membrane can be realized with a very thin metal membrane layer with high permeability and possesses great long-term stability as well as a great separation surface/volume ratio.