Application of semi-IPN network superhydrophilic membranes prepared on the basis of metal net for efficient oil-water separation, emulsion separation

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2024-11-05 DOI:10.1016/j.colsurfa.2024.135718

Yuxuan Zhang, Zaosheng Lv, Guangli Chen, Yuhang Liu, Yang Lei, Yanfen Huang

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Abstract

Hydrogel, a common hydrophilic material, is often used in wastewater treatment. In order to expand the application of hydrogel in superhydrophilic coatings, we chose acrylic acid (AA) and methacryloyloyloxy ethyltrimethylammonium chloride (DMC), two chemical materials commonly used in wastewater treatment, and semi-interpenetrating networks (semi-IPN) based on the metal mesh structure were successfully polymerization, and a superhydrophilic membrane (PAA/PDMC@SSM(stainless steel mesh)) was prepared. The membrane ensures the efficient separation of different types of oil-water mixtures under high flux conditions (up to 99 % separation efficiency) and the effective removal of oil from water-in-oil emulsions. This green polymer material can be used for efficient oil-water separation as well as separation of water-in-oil emulsions (separation efficiency close to 98 %). In order to prevent microorganisms from clogging the separation membrane during wastewater treatment, it was tested for E. coli with 99 % inhibition. PAA/PDMC@SSM was found to be acid-resistant, durable and self-cleaning for viscous oils.

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基于金属网制备的半 IPN 网络超亲水膜在高效油水分离和乳液分离中的应用

水凝胶是一种常见的亲水材料，常用于废水处理。为了拓展水凝胶在超亲水涂层中的应用，我们选择了丙烯酸（AA）和甲基丙烯酰氧乙基三甲基氯化铵（DMC）这两种常用于废水处理的化学材料，并成功聚合了基于金属网结构的半互穿网络（semi-IPN），制备了一种超亲水膜（PAA/PDMC@SSM（不锈钢网））。该膜可确保在高通量条件下高效分离不同类型的油水混合物（分离效率高达 99%），并能有效去除油包水型乳液中的油。这种绿色聚合物材料可用于高效的油水分离以及油包水型乳状液的分离（分离效率接近 98%）。为了防止微生物在废水处理过程中堵塞分离膜，对大肠杆菌进行了测试，抑制率达到 99%。研究发现 PAA/PDMC@SSM 具有耐酸性、耐久性和粘性油的自清洁性。

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.