均相编织物增强聚对苯二甲酰胺中空纤维膜的制备及性能

IF 3.2 3区化学 Q2 POLYMER SCIENCE

e-Polymers Pub Date : 2023-01-01 DOI:10.1515/epoly-2023-0062

Chun Wang, Dinghe Yan, Shubin Song, Jingjing Yan, Haolong Xue, Changfan Xiao

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引用次数: 0

摘要

摘要本研究制备了一种新型的均相编织增强（HBR）聚对苯二甲酰胺（PPTA）中空纤维膜。进一步研究了PPTA浓度对膜形貌和性能的影响。结果表明，当PPTA浓度为2.0时在超声振动后，获得了令人满意的界面结合的横截面形态，并且渗透仍然保持在约200（L·m−2·h−1）。此外，拉力超过600 N、这表明均匀效应有效地改善了较差的力学性能和界面结合。此外，应用HBR-PPTA中空纤维膜模拟膜生物反应器系统，探讨膜污染的控制因素。结果表明，总磷和NH4+–N的平均去除率分别在49%和96%以上；同时，手术时间长达120天。此外，通过化学清洗几乎可以更容易地去除污染物。

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Preparation and performance of homogenous braids-reinforced poly (p-phenylene terephthamide) hollow fiber membranes

Abstract A novel homogenous braid-reinforced (HBR) poly (p-phenylene terephthamide) (PPTA) hollow fiber membrane was prepared in this study. The effects of PPTA concentration on the morphologies and properties of the membranes were further investigated. The results showed that when the PPTA concentration was 2.0 wt%, the cross-sectional morphology of satisfactory interfacial bonding was achieved and the permeation was still maintained at about 200 (L·m−2·h−1) after ultrasonic vibration. In addition, the tensile force exceeded 600 N, which indicated that the homogeneous effect effectively improved the poor mechanical properties and interfacial bonding. In addition, the HBR PPTA hollow fiber membranes were applied to simulate the membrane bioreactor system to explore the control factors of membrane fouling. The results demonstrated that the average removal of total phosphorus and NH4 +–N was above 49% and 96%, respectively; meanwhile, the operating time was up to 120 days. Furthermore, it was easier to nearly remove the pollutants by chemical cleaning.

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来源期刊

e-Polymers 化学-高分子科学

CiteScore

5.90

自引率

10.80%

发文量

审稿时长

6.4 months

期刊介绍： e-Polymers is a strictly peer-reviewed scientific journal. The aim of e-Polymers is to publish pure and applied polymer-science-related original research articles, reviews, and feature articles. It includes synthetic methodologies, characterization, and processing techniques for polymer materials. Reports on interdisciplinary polymer science and on applications of polymers in all areas are welcome. The present Editors-in-Chief would like to thank the authors, the reviewers, the editorial staff, the advisory board, and the supporting organization that made e-Polymers a successful and sustainable scientific journal of the polymer community. The Editors of e-Polymers feel very much engaged to provide best publishing services at the highest possible level.