SCI和EI收录∣中国化工学会会刊

›› 2015, Vol. 23 ›› Issue (9): 1542-1550.DOI: 10.1016/j.cjche.2015.06.009

• 能源、资源与环境技术 • 上一篇    下一篇

Adsorption characteristics of construction waste for heavy metals from urban stormwater runoff

JianlongWang, Pingping Zhang, Liqiong Yang, Tao Huang   

  1. Key Laboratory of Urban Stormwater System and Water Environment, Beijing University of Civil Engineering and Architecture, Ministry of Education, Beijing 100044, China
  • 收稿日期:2014-05-15 修回日期:2015-02-13 出版日期:2015-09-28 发布日期:2015-10-24
  • 通讯作者: JianlongWang
  • 基金资助:
    Supported by the National Natural Science Foundation of China (51208022), and the National Water Pollution Control and Management Technology Major Project (2011ZX07301-004-01).

Adsorption characteristics of construction waste for heavy metals from urban stormwater runoff

JianlongWang, Pingping Zhang, Liqiong Yang, Tao Huang   

  1. Key Laboratory of Urban Stormwater System and Water Environment, Beijing University of Civil Engineering and Architecture, Ministry of Education, Beijing 100044, China
  • Received:2014-05-15 Revised:2015-02-13 Online:2015-09-28 Published:2015-10-24
  • Supported by:
    Supported by the National Natural Science Foundation of China (51208022), and the National Water Pollution Control and Management Technology Major Project (2011ZX07301-004-01).

摘要: Stormwater runoff has become an important source of surface water pollution. Bioretention, a lowimpact development measure in urban stormwater management, has been proven to be effective in the removal of pollutants fromstormwater runoff,with appropriate bioretention media. In this study, constructionwasteswere selected as bioretention media to remove heavy metals fromstormwater runoff. Static and dynamic adsorption batch experiments were carried out to investigate the adsorption of heavy metals in simulated stormwater runoff system with construction wastes in different particle sizes. The experimental results show that the pseudo-secondorder kinetic model characterizes the adsorption process and the adsorption equilibriumdata are well described by Freundlich isotherm model. The construction wastes used can remove heavy metals from stormwater runoff effectively, with their average removal rates all more than 90%. The particle size of construction wastes greatly influences the equilibrium time, rate and adsorption capacity for heavy metals.

关键词: Stormwater runoff, Heavy metal, Adsorption, Construction waste

Abstract: Stormwater runoff has become an important source of surface water pollution. Bioretention, a lowimpact development measure in urban stormwater management, has been proven to be effective in the removal of pollutants fromstormwater runoff,with appropriate bioretention media. In this study, constructionwasteswere selected as bioretention media to remove heavy metals fromstormwater runoff. Static and dynamic adsorption batch experiments were carried out to investigate the adsorption of heavy metals in simulated stormwater runoff system with construction wastes in different particle sizes. The experimental results show that the pseudo-secondorder kinetic model characterizes the adsorption process and the adsorption equilibriumdata are well described by Freundlich isotherm model. The construction wastes used can remove heavy metals from stormwater runoff effectively, with their average removal rates all more than 90%. The particle size of construction wastes greatly influences the equilibrium time, rate and adsorption capacity for heavy metals.

Key words: Stormwater runoff, Heavy metal, Adsorption, Construction waste