【摘要】 对壳聚糖/聚丙烯腈复合膜分别用戊二醛、硫酸、硫酸镍溶液进行了交联改性。交联后,分离选择性(α)大为提高。对戊二醛交联膜进行了乙醇水溶液的分离性能研究,结果表明,50℃、料液中合水率小于45%时,α大于670,渗透通量为100～700g/m~2·h。更多还原

【Abstract】 To improve the separation selectivity of pervaporation,chitosan/PAN membrane was crosslinked with NiSO₄,H₂SO₄ and glutaraldehyde. The latter agent was especially effective.The results show that the high selectivity membrane is with separation factor （α） more than 700 and the permeation rate （J） 100～700g/m²·h at water content within feed 50% and 50℃.更多还原