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Efficient prevention of nanomaterials transport in the porous media by treatment with polyelectrolytes
http://hdl.handle.net/2237/00029246
http://hdl.handle.net/2237/00029246216453e6-0f50-4b13-9962-fd5faf67f58f
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-02-06 | |||||
タイトル | ||||||
タイトル | Efficient prevention of nanomaterials transport in the porous media by treatment with polyelectrolytes | |||||
言語 | en | |||||
著者 |
Soenaryo, Tirto
× Soenaryo, Tirto× Murata, Shizuaki× Zinchenko, Anatoly |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nanomaterials | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nanoparticles transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nanoparticles | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Adsorption | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Polyelectrolytes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Soil | |||||
抄録 | ||||||
内容記述 | Contamination of soil by engineered nanomaterials (ENM) is an emergent environmental problem that urges the development of robust treatment protocols to prevent ENM transport through soil. We developed a method for efficient entrapment and retention of ENM in solid porous media of quartz sand with grain size of 300–500 μm used as a simple model of soil and studied the transport properties of multi-walled carbon nanotubes, fullerenes, silica and gold nanoparticles through the sand-packed column by UV–vis and fluorescent spectroscopy. The treatment of ENM-contaminated porous media with a mixture of oppositely charged polyelectrolytes, cationic poly(diallyldimethylammonium chloride) and anionic poly(acrylic acid) sodium salt, dissolved in NaCl solution followed by dilution in the column results in strong electrostatic interaction between the polyelectrolytes and a formation of inter-polyelectrolyte complexes (IPEC) that induce flocculation of ENM and adsorption to the surface of sand. The method demonstrates excellent ENM entrapment efficiency (>90%) and high capacity of several grams of ENM per 1 g of polyelectrolytes. The IPEC network formed after the treatment also serves as an efficient protection barrier for newly added ENM contaminants. The method is universal for various types of ENM (carbon ENM, metal and oxide nanoparticles) and equally efficient for distilled water, tap water, or lake water eluents. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | ファイル公開:2020-11-01 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.chemosphere.2018.07.037 | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0045-6535 | |||||
書誌情報 |
en : Chemosphere 巻 210, p. 567-576, 発行日 2018-11 |
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著者版フラグ | ||||||
値 | author |