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Jiangxi Dexing Copper Mine No.4 Tailings Storage Ecological Treatment Project

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Jiangxi Dexing Copper Mine No.4 Tailings Storage Ecological Treatment Project

DeXing copper mine is located in DeXing City, Shangrao, Jiangxi Province, under the Peacock Mountain in the Huaiyu Mountain Range, and is the largest open pit copper mine in Asia. As the annual production of copper is very huge, the amount of tailings produced is also very huge, and the environmental problems include land destruction, geological disasters, ecological damage and soil and groundwater pollution, which seriously affect the surrounding production and living environment.
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DeXing copper mine is located in DeXing City, Shangrao, Jiangxi Province, under the Peacock Mountain in the Huaiyu Mountain Range, and is the largest open pit copper mine in Asia. As the annual production of copper is very huge, the amount of tailings produced is also very huge, and the environmental problems include land destruction, geological disasters, ecological damage and soil and groundwater pollution, which seriously affect the surrounding production and living environment.

For the No. 4 tailings dam for governance design, the current dam from the bottom of the dam pool, backfill height of about 63 meters, consisting of seven steps, the estimated slope body treatment surface area of 110,000 square meters. Among them, the slope surface area is 75,000 square meters, and the platform surface area is 35,000 square meters.

The mine land is treated with loam-like substrate spraying technology, and green plants and their associated microorganisms, soil additives and agronomic techniques are used to remove, trap or render harmless the pollutants in the soil. Phytoremediation technology is low-input and can change the original landscape and create a new ecological environment. Revegetation (reclamation) is one of the best ways to treat tailings waste sites, while improving the substrate environment of tailings and restoring the plant ecology.

 

1

Before treatment

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One year after treatment

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After two years of treatment

Keyword:
ecological damage
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