为了进一步提高羟乙基纤维素(HEC)膜的脱硫性能,文中对5种分子量的HEC进行交联改性,研究了分子量、交联刺对HEC膜脱硫性能的影响.结果表明,特性黏度122mL/g的HEC最适合做脱硫用膜材料;HEC膜脱硫性能随交联剂种类而变化.用模拟汽油和催化裂化(FCC)汽油对交联HEC膜的渗透汽化性能进行测试,结果表明,随操作温度升高,富集因子先增加后降低,有极大值.极大值出现的温度取决于料液种类.
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