Pollution Characteristics of Industrial Construction and Demolition Waste
Abstract
Different types of industrial construction and demolition wastes in various places were collected. The mercury content varies much overall, whereas the wastes from the chemical industry contain most due to the mercury-containing raw materials used. Waste from the light industry poses a high risk of Cd. Residential wastes and recycled aggregates exhibit a low ecological risk. The mobility fractions of heavy metals can be very high; most anthropogenic polluted metals bind loosely with minerals in construction waste. The metals easiest to be leached are Zn and Cu, whereas Cd is the hardest. A high Cd content exists in pesticide manufacturing factory, mainly ...
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