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水溶液中における酸化マグネシウムの変質挙動
http://hdl.handle.net/2297/35943
http://hdl.handle.net/2297/359433e4f45a1-45fd-401e-b409-f9b568a93545
名前 / ファイル | ライセンス | アクション |
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SC-PR-FUKUSHI-K-135.pdf (814.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-05 | |||||
タイトル | ||||||
タイトル | 水溶液中における酸化マグネシウムの変質挙動 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Alteration behavior of magnesium oxide in aqueous solutions | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
矢部, 太章
× 矢部, 太章× 福士, 圭介× 伊藤, 弘志× 窪田, 宗弘× 桝谷, 優輔 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学環日本海域環境研究センター | |||||
書誌情報 |
粘土科学 = Journal of the Clay Science Society of Japan 巻 49, 号 3, p. 135-140, 発行日 2011-03-30 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0470-6455 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1155672X | |||||
出版者 | ||||||
出版者 | 日本粘土学会 = the Clay Science Society of Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Magnesium oxide with high specific surface area (HS-MgO) has been widely used for the sorbent material for hazardous anions from contaminated solutions. Because the magnesium oxide is unstable under ambient conditions, alteration behavior of HS-MgO was investigated by batch alteration experiments as a function of time in electrolyte solutions under ambient and nitrogen atmospheres. The mineralogy of reacted solid was characterized by means of X-ray diffraction, scanning electron microscope and measurements of specific surface area. The solution chemistry of reacted solutions was examined by pH meter and high pressure liquid chromatography for measurement of dissolved Mg concentration. Periclase in HS-MgO almost completely transforms to brucite within 8 hours. The specific surface area decreases from 110m^2/g of unaltered HS-MgO to 60m^2/g by the alteration. The alteration process is characterized by dissolution of periclase and precipitation of brucite from solution. The rate limiting step of the transformation process is the dissolution of periclase. This study indicates that the alteration process must influence on the uptake of hazardous anion by HS-MgO. | |||||
権利 | ||||||
権利情報 | Copyright © 日本粘土学会 Clay Science Society of Japan | 許可を得て登録 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.cssj2.org/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jcssjnendokagaku1961/-char/ja/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110008593729/ |