Highly Efficient and Irreversible Adsorption of Sr（II） from Brackish Water Using Layered Titanate

• Suzuki Tasuma

  Graduate School of Sciences and Technology for Innovation, Yamaguchi University Blue Energy Center for SGE Technology, Yamaguchi University

• Morotomi Hiroki

  Graduate School of Sciences and Technology for Innovation, Yamaguchi University

• Abe Mikiya

  Graduate School of Sciences and Technology for Innovation, Yamaguchi University

• Niinae Masakazu

  Graduate School of Sciences and Technology for Innovation, Yamaguchi University

抄録

The objective of this study was to synthesize layered titanate to efficiently and irreversibly adsorb strontium(II) (Sr(II)) from brackish water. At a NaCl background ion concentration of 0.01 mol/L, synthesized layered titanate demonstrated an approximately thirty-fold higher maximum Sr(II) adsorption capability than an anatase precursor. The increase in NaCl concentration to 0.1 mol/L decreased the Sr (II) adsorption capability by ～ 20 ％ , but still showed a high Sr(II) adsorption capability. It was also demonstrated that the adsorption of Sr(II) induces a structural deformation of the layered structure and that the adsorbed Sr(II) was trapped in the interlayer, resulting in an irreversible Sr(II) adsorption.

収録刊行物

• Salt and Seawater Science & Technology

  Salt and Seawater Science & Technology 1 (0), 76-77, 2021

  日本海水学会

キーワード

• Strontium （II）
• Layered titanate
• Ion exchange
• Irreversible adsorption
• Brackish water

詳細情報

• CRID: 1390850247498754432
• NII論文ID: 130007994230
• DOI: 10.11457/ssst.1.0_76
• ISSN: 24354619
• 本文言語コード: en
• データソース種別:
  • JaLC
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用可