Shin-ichi Nakao

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Full article: Permeation Characteristics of HFC-32 and HFC-125 through Dimethoxydiphenylsilane-Derived Silica Membranes Prepared via the Counter-Diffusion Chemical Vapor Deposition Method

1 month ago | tandfonline.com | Junya Suzuki |Shin-ichi Nakao |Xiao-lin Wang |Yuna Kobori

AbstractThis study first evaluates the potential of amorphous silica membranes for separating hydrofluorocarbons (HFCs). The ideal selectivity of HFC-32 (difluoromethane) to HFC-125 (pentafluoroethane) through dimethoxydiphenylsilane-derived silica membranes was as high as 329 at 200 °C, over ten times higher than previous polymer-based membranes.

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