격막을 이용한 기체 혼합물의 분리에 관한 연구가 이론적 또한 실험적으로 수행되었다. 투과 셀의 특성을 나타내는 기존 모델들을 검토하고 완전 혼합류 및 십자 흐름형을 절충한 새로운 모델을 제의하였다. 25 ℃에서 실리콘 고무 격막을 중심으로 기체 투과셀의 특성을 조사하였다. 우선 수소와 질소의 투과율을 측정하고 cut변화에 따른 수소 분리 효과를 검토하였다. 실험결과, 본 투과 셀은 십자 흐름형 특성을 보이는 것으로 밝혀졌다.

The study of hydrogen recovery from a H₂-N₂ gas mixture was conducted both theoretically and exprimentally. For the application to the system which exhibits the intermediate trend between perfect-mix and no-mix （cross-flow） models a new model was formulated. Pure gas permeabilities of silicon rubber, polyethylene and microporous aluminum films were measured at 25 ℃. The silicon rubber of these was tested as a separation membrane using binary gas mixtures and the effect of stage cut and feed composition was examined experimentally. In comparison with mathematical models it was found that the present permeation characteristics are reasonably well represented by the no-mix model.