Simple processing technology of leaching water using CO2 microbubbles

doi:10.1016/j.cjche.2015.08.034

Chin.J.Chem.Eng. ›› 2015, Vol. 23 ›› Issue (11): 1871-1874.DOI: 10.1016/j.cjche.2015.08.034

• ENERGY, RESOURCES AND ENVIRONMENTAL TECHNOLOGY • Previous Articles Next Articles

Simple processing technology of leaching water using CO₂ microbubbles

Kenzi Suzuki^1,2, Chunshan Li², Suojiang Zhang²

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:2015-12-18 Published:2015-11-28
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).

Simple processing technology of leaching water using CO₂ microbubbles

Kenzi Suzuki^1,2, Chunshan Li², Suojiang Zhang²

1 Nagoya Industrial Science Research Institute, Nagoya 464-0819, Japan;
2 Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

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).

Abstract

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

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

Kenzi Suzuki, Chunshan Li, Suojiang Zhang. Simple processing technology of leaching water using CO₂ microbubbles[J]. Chin.J.Chem.Eng., 2015, 23(11): 1871-1874.

Kenzi Suzuki, Chunshan Li, Suojiang Zhang. Simple processing technology of leaching water using CO₂ microbubbles[J]. Chinese Journal of Chemical Engineering, 2015, 23(11): 1871-1874.

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Simple processing technology of leaching water using CO₂ microbubbles

Simple processing technology of leaching water using CO₂ microbubbles

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