ỨNG DỤNG PHƯƠNG PHÁP ICP-MS ĐỂ XÁC ĐỊNH, ĐÁNH GIÁ Ô NHIỄM KIM LOẠI NẶNG (Cd, As, Pb, Zn) TRONG CHẤT THẢI RẮN, ĐẤT VÀ BỤI KHÔNG KHÍ TẠI LÀNG NGHỀ TÁI CHẾ NHÔM VĂN MÔN, YÊN PHONG, BẮC NINH

Tóm tắt

To evaluate the possibility of heavy metal emission from aluminum recycling craft village activities in
Man Xa village, Van Mon, Bac Ninh, heavy metals (Cd, As, Pb, Zn) in the solid waste, soil, air dust
were determined by ICP-MS equipment during November - December 2021. Among the heavy metals
studied, Pb was an element with high concentration that exists in all three environment components:
solid waste, soil, and ambient air. 9/28 samples, accounting for 30% of the total number of samples
analyzed with Pb concentration was exceeded QCVN 07:2009/BTNMT (regulations on hazardous
waste thresholds) for both total and leaching extraction methods and those samplers were identified as
hazardous waste. In addition, 3/28 samples had Zn level exceeding the allowable limit, 1/28 sample had
Cd level exceeding the allowable limit and were hazardous waste. Moreover, all 4 air dust samples
have heavy metal concentrations exceeding the allowed standards, 4 heavy metal concentrations in 4/6
soil sampler were exceeded the allowed standard by 1.2-3 times. The research results show the high
level of heavy metal pollution in solid waste, soil, and air dust from aluminum recycling activities due
to lack of management and treatment action of solid waste and air.