Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Explanation of the Effect of Limestone on the Dissolution of a Phosphate with the Visual MINTEQ Model

Visual MINTEQ모델을 이용한 인산염의 용해에 미치는 석회석의 영향 규명

  • Kim, Hag Seong (Department of Environmental Engineering, Chungbuk National University) ;
  • Jeong, Yeon Tae (Environment & Structure Lab., Korea Electric Power Research Institute)
  • 김학성 (충북대학교 환경공학과) ;
  • 정연태 (한국전력공사 전력연구원 환경구조연구실)
  • Received : 2008.01.30
  • Accepted : 2008.04.22
  • Published : 2008.05.30
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Abstract

This study was done to explain the role of limestone which might intervene in the phosphorus cycle in a lake. The effects of limestone on the dissolution of phosphate were estimated by simulations with the computer model Visual MINTEQ, which is designed for the chemical equilibrium calculations. According to the calculations limestone shows remarkable effects for the suppression of phosphate dissolution. The limestone can suppress the dissolution of phosphates by sacrificing themselves to acids, and as a consequence can increase the hardness and alkalinity of the lake. Both hardness and alkalinity play an important role in reducing soluble P and thus alleviate the eutrophication potential.

Keywords

Acknowledgement

Supported by : 충북대학교

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