Investigation of Construction and Demolition Waste, A Case Study in Deqing, China
The amount of construction and demolition waste is enormous and still in rapid growth especially in the mega-city like Hangzhou, PR China. However, effective management and technical regulations for dealing with the construction waste are still not available, simple landfill is the main disposal method of C&D waste. In order to reduce the consumption of land spaces by simple landfills, this paper explores the possibility of reclaiming landfills into forest land or farmland. After analyzing the concentration and pollution degree of six heavy metals and two pesticides, the C&D waste landfill can fully satisfy the soil application function corresponding to a third-level standard of Soil Environmental Quality Standard (GB15618-1995). Thus, it can be used for forest land and farmland (except planting vegetables).
KeywordsC&D waste Heavy metal Pollution risk assessment
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