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Phytoremediation of Loess Soil Contaminated by Organic Compounds

  • K. Zhu
  • H. Chen
  • Z. Nan
Part of the NATO Science for Peace and Security Series C: Environmental Security book series (NAPSC)

Abstract

Loess soils extensively cover Central Asia and North China topography where oil fields are widely exploited; thus, organic contamination has become a critical environmental issue in these regions. As China faces severe land and eco-environmental deterioration, phytoremediation has been considered as a priority remedial alternative for reclamation of contaminated cultivated land. This article provides a framework to understand phytore-mediation applications in loess land contaminated by organic compounds, particularly by petroleum pollutants. Mechanisms of phytoremediation in the soil matrix are introduced and discussed. Experimental study at field test plots demonstrates selected plants are capable of growing well in the arid and semi-arid loess plateau and effectively dissipate oil pollutants from loess soil. A combined approach including phytoremediation, surfactant flushing and microbial degradation is suggested for restoration of petroleum-contaminated agricultural land.

Keywords

soil contamination organic compounds phytoremediation loess soil restoration 

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • K. Zhu
    • 1
  • H. Chen
    • 2
  • Z. Nan
    • 3
  1. 1.Department of Environmental EngineeringLanzhou Jiaotong UniversityLanzhouP.R. China
  2. 2.College of Chemistry & Chemical Eng.Northwest Normal UniversityLanzhouP.R. China
  3. 3.College of Resources & EnvironmentLanzhou UniversityLanzhouP.R. China

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