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  • Công bố khoa học và công nghệ Việt Nam

87

Kỹ thuật môi trường và địa chất, địa kỹ thuật

Nguyễn Hoài Như Ý, Phan Thị Thảo Linh, Võ Đăng Hoài Linh, Võ Văn Minh, Lê Thị Mai(1), Trịnh Đăng Mậu, Trần Nguyễn Quỳnh Anh

Ô nhiễm vi nhựa trong nước mặt hồ nội thành tại thành phố Đà Nẵng, Việt Nam

Microplastics pollution in surface water of urban lakes in Danang, Vietnam

Tạp chí Khoa học và Công nghệ (Đại học Đà Nẵng)

2022

8

88-92

1859-1531

Vi nhựa, Đà Nẵng, Hồ đô thị, Nước mặt, Ô nhiễm

Microplastic, Da Nang, Urban lake, Surface water

Vi nhựa được xem là một trong những chất ô nhiễm cần được quan tâm giải quyết hiện nay trên toàn thế giới do sự phân bố rộng rãi và tồn tại lâu bền trong môi trường. Tuy nhiên, có rất ít nghiên cứu về vi nhựa ở Việt Nam, dẫn đến không đủ nguồn thông tin phục vụ cho công tác quản lý, giám sát nguồn ô nhiễm này. Nghiên cứu này khảo sát hiện trạng ô nhiễm vi nhựa ở một hồ nội thành tại thành phố Đà Nẵng, Việt Nam. Mật độ vi nhựa ở hồ Công Viên 29/3 dao động từ 850 vi nhựa/m3 đến 1300 vi nhựa/m3. Trong đó, vi nhựa dạng sợi và dạng mảnh là hai hình dạng phổ biến nhất được ghi nhận (chiếm 98,5% trong tổng số vi nhựa đã xác định). Hơn 79% vi nhựa dạng sợi tại khu vực nghiên cứu có kích thước < 2 mm. Kết quả nghiên cứu góp phần cung cấp cơ sở dữ liệu có giá trị để hiểu hơn về tình hình ô nhiễm vi nhựa ở hồ đô thị của Đà Nẵng.

Microplastics are considered as one of the emerging pollutants that need to be addressed worldwide today due to their wide distribution and persistence in the environment. However, studies on the current status of microplastic pollution in Viet Nam are still limited, leading to insufficient information for the effective management and monitoring of this pollution source. This study investigated the microplastic pollution status in an urban lake in Danang city, Vietnam. The density of microplastics in the Cong vien 29/3 Lake ranged from 850 items/m3 to 1300 items/m3. Of which, fiber and fragment were the two most common shapes of microplastics observed (accounting for 98.5% of the total microplastics in number). More than 79% of fibrous microplastics in the study area were less than 2 mm in size. The results of this study provide a valuable database for a better understanding of the microplastic pollution situation in the urban lakes of Danang.

TTKHCNQG, CVv 465

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