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Progress in study and application of remediation of heavy metals in sewage sludge by turf.

LU Min-ying1, BAO Xiao-dong2, WU Xing-fei1, SHAO Lu-ze1, ZHANG Jie-yu1, LI Fei-li1*   

  1. (1College of Environment, Zhejiang University of Technology, Hangzhou 310014, China; 2Ningbo HighTech Zone Chunli Energy Saving Technology Co., Ltd., Ningbo 15040, Zhejiang, China).
  • Online:2019-04-10 Published:2019-04-10

Abstract: Phytoremediation has great promise for cost-ffective and eco-riendly remediation of contaminated soils. With huge production and high nutrient contents, municipal sewage sludge can serve as promising garden cultivation matrix for plant growth, which is beneficial to lessen its disposal cost and minimize the risk of heavy metal pollution. In this review, the regional distribution and speciation characteristics of heavy metals in composting sludge are discussed. Moreover, the growth characteristics of turfgrass, their abilities of heavy metal enrichment and influencing factors are presented. This review will provide a technique support for the remediation of heavy metals in sewage sludge by turfgrass, and is of great significance for resourcfulization of sewage sludge.

Key words: atmospheric pollutant, intensive land use, compacted city