真菌壳聚糖改性聚醚砜膜的分离性能和抗堵塞性

IF 4.3 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Hilya N. Iman, Henry Susilo, Adhi Satriyatama, Ignatius D. M. Budi, Kiki A. Kurnia, I. G. Wenten, K. Khoiruddin
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引用次数: 0

摘要

这项研究探讨了通过加入从木质素真菌灵芝中提取的壳聚糖来增强聚醚砜(PES)膜的性能。 利用湿相反转和溶液浇铸技术,壳聚糖成功地融入了聚醚砜基质,傅立叶变换红外光谱(FT-IR)证实了这一点,该光谱显示壳聚糖的脱乙酰度高达 75.7%。壳聚糖的加入大大提高了膜的亲水性,这表现在水接触角的减小和纯水渗透性的大幅提高,从 17.9 升/米-2-时-1 巴-1 提高到 27.3 升/米-2-时-1 巴-1。膜的防污性能也明显增强,通量回收率(FRR)从约 60% 提高到 80%。此外,壳聚糖改性的 PES/CS 膜,尤其是在壳聚糖浓度为 5%的情况下,在去除污染物方面表现出了卓越的功效,在处理纺织废水的过程中,总悬浮固体、镉(Cd)和铅(Pb)的去除率超过了 90%,色度降低了 79%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Separation properties and fouling resistance of polyethersulfone membrane modified by fungal chitosan

This research explores the enhancement of polyethersulfone (PES) membranes through the incorporation of chitosan derived from the lignicolous fungus Ganoderma sp. Utilizing wet phase inversion and solution casting techniques, chitosan was successfully integrated into the PES matrix, as confirmed by Fourier Transform Infrared Spectroscopy (FT-IR), which indicated a high deacetylation degree of 75.7%. The incorporation of chitosan significantly increased the membrane hydrophilicity, as evidenced by a reduction in the water contact angle and a substantial improvement in pure water permeability, from 17.9 L m-2 h-1 bar-1 to 27.3 L m-2 h-1 bar-1. The membrane anti-fouling properties were also notably enhanced, with the Flux Recovery Ratio (FRR) increasing from approximately 60–80%. Moreover, the chitosan-modified PES/CS membrane, particularly at a 5% chitosan concentration, demonstrated exceptional efficacy in pollutant removal, achieving over 90% elimination of total suspended solids, cadmium (Cd), and lead (Pb), alongside a 79% reduction in color during the treatment of textile wastewater.

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来源期刊
BMC Chemistry
BMC Chemistry Chemistry-General Chemistry
CiteScore
5.30
自引率
2.20%
发文量
92
审稿时长
27 weeks
期刊介绍: BMC Chemistry, formerly known as Chemistry Central Journal, is now part of the BMC series journals family. Chemistry Central Journal has served the chemistry community as a trusted open access resource for more than 10 years – and we are delighted to announce the next step on its journey. In January 2019 the journal has been renamed BMC Chemistry and now strengthens the BMC series footprint in the physical sciences by publishing quality articles and by pushing the boundaries of open chemistry.
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