Removal of Metasilicate from Aqueous Solutions with Hybrid Polymer-enhanced Ultrafiltration-electrodeionization Membrane Processes

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-05-21 DOI:10.2174/0115734110301699240514052704

Esma Nur Sarıçiçek, Gülsev Soysüren, Ö. Arar

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Abstract

In desalination, addressing fouling challenges, particularly concerning silica, is pivotal for generating pure water from seawater and brackish sources. Efficient silica removal is vital for various applications, including power generation and electronics. Electrodeionization (EDI) has proven highly effective in achieving a high removal rate for silica. Optimize silica removal through a combined membrane approach—water-soluble polymer- enhanced ultrafiltration and Electrodeionization (EDI)—for efficient water treatment and improved water quality. The study utilized a 400 mL stirred Amicon cell for Ultrafiltration (UF) in combination with a water-soluble polymer. Additionally, a microflow EDI cell is employed, filled with Porolite A600 anion exchange resin and SST60 cation exchange resin, to optimize silica removal. The water-soluble polymer-enhanced ultrafiltration achieved a 25% removal of SiO2, with the remaining silica effectively removed by EDI, resulting in a concentration of 11 μg/L. The combined approach of water-soluble polymer-enhanced ultrafiltration and Electrodeionization (EDI) demonstrated effective silica removal. The combined approach of water-soluble polymer-enhanced ultrafiltration and Electrodeionization (EDI) demonstrated effective silica removal.

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利用混合聚合物增强型超滤-电去离子膜工艺去除水溶液中的偏硅酸

在海水淡化过程中，解决污垢问题，特别是有关二氧化硅的污垢问题，对于从海水和苦咸水中提取纯水至关重要。高效去除二氧化硅对发电和电子等各种应用至关重要。该研究使用了一个 400 mL 搅拌式 Amicon 超滤 (UF) 池，并结合了水溶性聚合物。水溶性聚合物增强型超滤可去除 25% 的二氧化硅，EDI 可有效去除剩余的二氧化硅，使二氧化硅的浓度降至 11 微克/升。水溶性聚合物增强型超滤和电去离子（EDI）相结合的方法可有效去除二氧化硅。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.