The Radiation Graft Copolymerization of Allylmethacrylate to Polyvinylidene Fluoride to Prepare of Membrane and Its Affordability for Domestic Wastewater Treatment

IF 0.9 4区化学 Q4 CHEMISTRY, PHYSICAL

High Energy Chemistry Pub Date : 2024-04-21 DOI:10.1134/s0018143924020164

Yinjia Miao, Liankui Xu, Deren Ge, Kai Fan

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引用次数: 0

Abstract

In this paper, the PVDF-g-PAMA membrane was prepared through gamma-ray irradiation in a monomer aqueous solution. The irradiation products’ chemical composition was examined by Fourier transform infrared spectrometer (FTIR) and X-ray photoelectron spectroscopy (XPS), and the spectra confirmed that poly (allyl methacrylate) (PAMA) was successfully grafted onto polyvinylidene fluoride (PVDF) molecular chain to form the PVDF-g-PAMA membrane. The CA of the PVDF-g-PAMA modified membrane was reduced compared with the traditional PVDF membrane, indicating that the hydrophilicity and anti-fouling performance of the membrane had been improved. The output water of domestic sewage treated by the integrated MBR equipment with PVDF-g-PAMA membranes as the core component was stable, and the effluent quality was also improved. After examining the overall costs associated with using PVDF and PVDF-g-PAMA membranes, it was discovered that even though the complicated preparation process for modified PVDF-g-PAMA by gamma-ray irradiation increased the initial cost, its potent anti-fouling capabilities effectively reduced the cost of subsequent operation and maintenance, leading to a significant decrease in overall cost of project.

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烯丙基甲基丙烯酸酯与聚偏氟乙烯的辐射接枝共聚制备膜及其在生活污水处理中的经济性

摘要本文在单体水溶液中通过伽马射线辐照制备了PVDF-g-PAMA膜。傅立叶变换红外光谱仪（FTIR）和 X 射线光电子能谱（XPS）检测了辐照产物的化学成分，光谱结果证实聚甲基丙烯酸烯丙酯（PAMA）成功接枝到聚偏氟乙烯（PVDF）分子链上，形成了 PVDF-g-PAMA 膜。与传统的 PVDF 膜相比，PVDF-g-PAMA 改性膜的 CA 有所降低，表明膜的亲水性和防污性能得到了改善。以 PVDF-g-PAMA 膜为核心成分的一体化 MBR 设备处理生活污水的出水稳定，出水水质也有所改善。在研究了使用 PVDF 和 PVDF-g-PAMA 膜的相关总体成本后发现，尽管通过伽马射线辐照改性 PVDF-g-PAMA 的复杂制备过程增加了初始成本，但其强大的防污能力有效降低了后续运行和维护成本，从而显著降低了项目的总体成本。

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来源期刊

High Energy Chemistry 化学-物理化学

CiteScore

1.50

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： High Energy Chemistry publishes original articles, reviews, and short communications on molecular and supramolecular photochemistry, photobiology, radiation chemistry, plasma chemistry, chemistry of nanosized systems, chemistry of new atoms, processes and materials for optical information systems and other areas of high energy chemistry. It publishes theoretical and experimental studies in all areas of high energy chemistry, such as the interaction of high-energy particles with matter, the nature and reactivity of short-lived species induced by the action of particle and electromagnetic radiation or hot atoms on substances in their gaseous and condensed states, and chemical processes initiated in organic and inorganic systems by high-energy radiation.