SCI和EI收录∣中国化工学会会刊

Chinese Journal of Chemical Engineering ›› 2015, Vol. 23 ›› Issue (11): 1871-1874.DOI: 10.1016/j.cjche.2015.08.034

• 能源、资源与环境技术 • 上一篇    下一篇

Simple processing technology of leaching water using CO2 microbubbles

Kenzi Suzuki1,2, Chunshan Li2, Suojiang Zhang2   

  1. 1 Nagoya Industrial Science Research Institute, Nagoya 464-0819, Japan;
    2 Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
  • 收稿日期:2014-11-21 修回日期:2015-05-12 出版日期:2015-11-28 发布日期:2015-12-18
  • 通讯作者: Kenzi Suzuki, Chunshan Li, Suojiang Zhang
  • 基金资助:

    Supported by the National Natural Science Funds for Distinguished Young Scholars (21425625) and the National Science Foundation for Excellent Young Scholars (21422607).

Simple processing technology of leaching water using CO2 microbubbles

Kenzi Suzuki1,2, Chunshan Li2, Suojiang Zhang2   

  1. 1 Nagoya Industrial Science Research Institute, Nagoya 464-0819, Japan;
    2 Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
  • Received:2014-11-21 Revised:2015-05-12 Online:2015-11-28 Published:2015-12-18
  • Contact: Kenzi Suzuki, Chunshan Li, Suojiang Zhang
  • Supported by:

    Supported by the National Natural Science Funds for Distinguished Young Scholars (21425625) and the National Science Foundation for Excellent Young Scholars (21422607).

摘要: The effectiveness of CO2 microsize bubbles for removal of Ca2+ ions in the leaching water discharged from the final landfill site was evaluated using imitation water. For the important parameter in the Ca2+ ion removal, it was found that the treatment in alkaline region above pH = 10 was optimum. The possibility of using CO2 microbubbles was examined by substitution of chemical Na2CO3, which is used in large quantities today. In addition, the excellence of CO2 microbubbles was demonstrated by comparing with CO2 millimeter size bubbles.

关键词: CO2 microbubble, Carbonate, Final landfill site, Leaching water, Removal of Ca2+ ions

Abstract: The effectiveness of CO2 microsize bubbles for removal of Ca2+ ions in the leaching water discharged from the final landfill site was evaluated using imitation water. For the important parameter in the Ca2+ ion removal, it was found that the treatment in alkaline region above pH = 10 was optimum. The possibility of using CO2 microbubbles was examined by substitution of chemical Na2CO3, which is used in large quantities today. In addition, the excellence of CO2 microbubbles was demonstrated by comparing with CO2 millimeter size bubbles.

Key words: CO2 microbubble, Carbonate, Final landfill site, Leaching water, Removal of Ca2+ ions