酒糟生物炭掺杂Pebax 1657混合基质膜分离CO2性能
CO2 Separation Performance of Pebax 1657 Mixed Matrix Membranes Doped with Distillers’ Grains Biochar
DOI: 10.12677/ije.2026.152033, PDF,    科研立项经费支持
作者: 李佳旭, 陈昱璇, 陶育壮, 汤媛媛, 李思彤, 谢雨欣：徐州工程学院环境工程学院，江苏 徐州
关键词: 酒糟生物炭；CO2分离；Pebax 1657；混合基质膜；Distiller’s Grains Biochar； CO2 Separation； Pebax 1657； Hybrid Matrix Membrane
摘要: 酒糟作为酿酒行业的主要副产物，年产量巨大，其资源化利用是亟待解决的关键问题，同时也是实现该行业可持续发展的重要途径。为提高酒糟的资源化利用水平，本研究以酒糟为原材料制备了酒糟生物炭，使用酒糟生物炭和Pebax 1657制备了混合基质膜，研究了该混合基质膜分离CO2的性能。结果表明，与纯Pebax 1657膜相比，酒糟生物炭的掺入提升了混合基质膜的性能，且随着掺杂比的提升气体分离性能呈现上升趋势，在掺杂比为4 wt%时，酒糟生物炭CO2渗透系数和选择性分别达124.1Barrer和70.19，相比纯Pebax 1657膜提升了65.1%和23.9%。酒糟生物炭掺杂Pebax 1657混合基质膜具有良好的分离CO2性能。
Abstract: As a major by-product of the brewing industry, distillers’ grains are produced in enormous quantities annually. Their resource utilization is a critical issue to be addressed and also an important pathway for achieving sustainable development in this industry. To improve the resource utilization level of distillers’ grains, this study prepared biochar from distillers’ grains as raw material, and fabricated mixed matrix membranes (MMMs) using the distillers’ grains biochar and Pebax 1657. The CO2 separation performance of these MMMs was investigated to enhance the high-value utilization of distillers’ grains. The results showed that compared to the pure Pebax 1657 membrane, the incorporation of distillers’ grains biochar improved the performance of the MMMs. Furthermore, the gas separation performance exhibited an upward trend with increasing doping ratio. The optimal performance was achieved at a doping ratio of 4 wt%. The best CO2 permeability and selectivity for the biochar-incorporated membrane were 124.1Barrer and 70.19, respectively, representing increases of 65.1% and 23.9% compared to the pure Pebax 1657 membrane. The distillers’ grains biochar-doped Pebax 1657 mixed matrix membranes demonstrated excellent performance for CO2 separation.
文章引用：李佳旭, 陈昱璇, 陶育壮, 汤媛媛, 李思彤, 谢雨欣. 酒糟生物炭掺杂Pebax 1657混合基质膜分离CO2性能[J]. 世界生态学, 2026, 15(2): 304-310. https://doi.org/10.12677/ije.2026.152033

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