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Feasibility of Nickel–Aluminum Complex Hydroxides for Recovering Tungsten Ions from Aqueous Media

Author

Listed:
  • Fumihiko Ogata

    (Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Osaka, Japan)

  • Saki Kawamoto

    (Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Osaka, Japan)

  • Ayako Tabuchi

    (Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Osaka, Japan)

  • Megumu Toda

    (Kansai Catalyst Co., Ltd., 1-3-13 Kashiwagi-cho, Sakai-ku, Sakai 590-0837, Osaka, Japan)

  • Masashi Otani

    (Kansai Catalyst Co., Ltd., 1-3-13 Kashiwagi-cho, Sakai-ku, Sakai 590-0837, Osaka, Japan)

  • Takehiro Nakamura

    (Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Osaka, Japan)

  • Naohito Kawasaki

    (Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Osaka, Japan
    Antiaging Center, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Osaka, Japan)

Abstract

In this study, the adsorption and/or desorption capacity of tungsten ions using nickel–aluminum complex hydroxides was assessed. Nickel–aluminum complex hydroxides at various molar ratios, such as NA11 were prepared, and the adsorption capacity of tungsten ions was evaluated. Precisely, the effect of temperature, contact time, pH, and coexistence on the adsorption of tungsten ions in the water layer was demonstrated. Among the nickel–aluminum complex hydroxides at various molar ratios, the adsorption capacity onto NA11 was the highest of all adsorbents. The sulfate ions in the interlayer of NA11 was exchanged to tungsten ions, that is, the adsorption mechanism was ion exchange under our experimental conditions. Additionally, to elucidate the adsorption mechanism in detail, the elemental distribution and X-ray photoelectron spectroscopy of the NA11 surface were analyzed. Finally, the results indicated that the tungsten ions adsorbed using NA11 could be desorbed (recovered) from NA11 using sodium hydroxide solution. These results serve as useful information regarding the adsorption and recovery of tungsten ions using nickel–aluminum complex hydroxides from aqueous media.

Suggested Citation

  • Fumihiko Ogata & Saki Kawamoto & Ayako Tabuchi & Megumu Toda & Masashi Otani & Takehiro Nakamura & Naohito Kawasaki, 2022. "Feasibility of Nickel–Aluminum Complex Hydroxides for Recovering Tungsten Ions from Aqueous Media," Sustainability, MDPI, vol. 14(6), pages 1-12, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:6:p:3219-:d:767471
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