Lê Đức, Nguyễn Ngọc Minh (trang 48-53)
Từ khoá: tác động, tái chế, đồng, Đại Đồng, Lê Đức, Văn Lâm, Hưng Yên, môi trường đất
Summary
Effect of copper recycling by traditional method at Dai Dong, Van Lam, Hung Yen on soil environment
Total content of copper war very high. Copper content of both total and available significantly decrease according to the distances from the village. The ratio between total and available copper is about 3:1. Based on the observations, the copper content is estimated higher than 60mg in the area of 0.6km radius. And the pollution area will extend to the area with radius of 0.75, 0.95 and 1.2km in one, two and three years later.