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  1. D300 大学院環境学研究科
  2. D300a 雑誌掲載論文
  3. 学術雑誌

Efficient prevention of nanomaterials transport in the porous media by treatment with polyelectrolytes

http://hdl.handle.net/2237/00029246
http://hdl.handle.net/2237/00029246
216453e6-0f50-4b13-9962-fd5faf67f58f
名前 / ファイル ライセンス アクション
Soenaryo_Manuscript.pdf Soenaryo_Manuscript (1.5 MB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 88595

en Soenaryo, Tirto

Search repository
Murata, Shizuaki

× Murata, Shizuaki

WEKO 88596

en Murata, Shizuaki

Search repository
Zinchenko, Anatoly

× Zinchenko, Anatoly

WEKO 88597

en Zinchenko, Anatoly

Search repository
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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