Diversity of fluid geochemistry affected by processes during fluid upwelling in active hydrothermal fields in the Izena Hole, the middle Okinawa Trough back-arc basin

DOI 被引用文献1件 参考文献32件
  • YU CHANGYUAN
    College of Sciences, Nanjing Agricultural University
  • ZHANG JING
    College of Sciences, Nanjing Agricultural University
  • WU XIAOLEI
    College of Sciences, Nanjing Agricultural University
  • LAN YEQING
    College of Sciences, Nanjing Agricultural University
  • ZHOU LIXIANG
    College of Resources and Environments, Nanjing Agricultural University

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タイトル別名
  • Cr(VI) removal by biogenic schwertmannite in continuous flow column

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説明

Adsorption of Cr(VI) by biogenic schwertmannite in a continuous flow column was studied. The effects of flow rates, initial pH values, dosages of schwertmannite, and accompanying anions on Cr(VI) adsorption were investigated. The results demonstrated that the optimal flow rate and pH for Cr(VI) removal were 1 mL/min and 6, respectively. The maximum adsorption amount obtained in this study was 35.30 mg/g, demonstrating that the biogenic schwertmannite held a high adsorption capacity for Cr(VI). Removal of Cr(VI) by adsorption was hardly affected by common anions, except for H2PO4−. Based on the results obtained in this study, a mechanism for Cr(VI) adsorption by biogenic schwertmannite was proposed using the anion exchange processes between various Cr(VI) species and SO42−, a constituent of schwertmannite.

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詳細情報 詳細情報について

  • CRID
    1390001204553323520
  • NII論文ID
    130004469394
  • DOI
    10.2343/geochemj.2.0278
  • COI
    1:CAS:528:DC%2BC2cXlvVCmurg%3D
  • ISSN
    18805973
    00167002
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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