使用硫化聚烯作为有机添加剂,以提高聚硫膜中的气体分离性能
Afdhal Junaidi1, Utari Zulfiani1, Siti Khomariyah1
1Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Sukolilo Surabaya 60111 Indonesia nurul_widiastuti@chem.its.ac.id.
RSC advances
|January 12, 2024
概括
这项研究开发了新型的聚硫 (PSf) 膜,配有聚二氧化 (PPs) 填充剂,用于增强气体分离. 用PPs增强的膜显著提高了二氧化碳 (CO2) 和 (H2) 的透性和H2/CH4和CO2/CH4混合物的选择性.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 聚合物科学 聚合物科学
背景情况:
- 含硫化合物会影响吸附过程中二氧化碳的溶性.
- 关于气体分离膜中含硫有机填充剂的研究有限.
研究的目的:
- 开发一种新型的聚硫 (PSf) 膜,采用聚二 (PPs) 填充剂.
- 研究PPs负载对膜特性和气体分离性能的影响.
- 评估PPs增强膜的性能,用于H2/CH4和CO2/CH4分离.
主要方法:
- 制造具有不同PP含量的PSf/PPs复合膜 (1%, 5%, 10% w/w).
- 使用FTIR,XRD和SEM进行表征,以分析膜结构和形态.
- 气体透性测试用于评估CO2,H2和CH4分离效率在聚二甲基西洛 (PDMS) 涂层之前和之后.
主要成果:
- FTIR和XRD证实了PSf/PPs膜的结构和功能组变化.
- 在PSf矩阵中,SEM显示了PPs的均分布.
- 二氧化碳和二氧化的透率分别增加了376.19%和191.25%.
- PDMS涂层显著提高了选择性:CO2/CH4增加了255.06%和H2/CH4增加了179.44%.
结论:
- 将PP纳入PSf膜可以大大提高气体分离能力.
- PDMS表面涂层进一步提高了这些复合膜的选择性.
- 用PPs修改的膜显示出工业气体分离应用的巨大潜力.
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