When pressure difference is 0.08MPa with spiral wound membrane, the toluene permeance could reach 8.01E-07 mol/(s ? m~2 ? Pa), and ethyl acetate 8.12E-07 mol/(s ? m~2 ? Pa);

• 渗透压力差0.；08MPa下使用卷式膜甲苯渗透速率可达8