Khả năng tái sử dụng nước thải mỏ than làm nguồn nước cấp cho sinh hoạt và sản xuất ở tỉnh Quảng Ninh

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Tác giả: Cao Cường Đỗ, Thị Hải Đỗ, Văn Bình Đỗ, Thị Kim Hà Trần

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Công nghiệp Mỏ, 2024

Mô tả vật lý: tr.26-31

Bộ sưu tập: Metadata

ID: 381225

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Currently, a large amount of treated coal mine wastewater meeting discharge quality according to QCVN40:2011/BTNMT column B is discharged into the environment, wasting a large amount of water resources. Research into reusing this amount of water for living, drinking and production purposes is a necessary issue, bringing great efficiency in life and resource use. This also helps save costs, reduce water usage costs and contribute to green, sustainable economic development. Up to now, Quang Ninh province currently has 44 coal mine wastewater treatment stations[2]. The amount of water that can be further processed and reused for drinking, production and daily life purposes. Up to now, the entire region has only had about 82 million m3/year (reaching 29%) of wastewater reused. Therefore, planning is needed to reuse mine wastewater to supply water for production and residential activities, saving resources and costs. The article synthesizes information, data and proposes solutions to reuse treated coal mine wastewater to supply water for daily life and production in Quang NinhHiện nay, một lượng lớn nước thải mỏ than đã qua xử lý đạt chất lượng xả thải theo QCVN40: 2011/BTNMT cột B được xả ra môi trường gây lãng phí một lượng lớn tài nguyên nước. Việc nghiên cứu tái sử dụng lượng nước này cho các mục đích sinh hoạt và sản xuất là một vấn đề cần thiết, mang lại hiệu quả to lớn trong đời sống và sử dụng hợp lý tài nguyên. Điều này còn giúp tiết kiệm chi phí, giảm giá thành sử dụng nước và góp phần phát triển kinh tế xanh, bền vững. Đến nay tỉnh Quảng Ninh có 44 trạm xử lý nước thải mỏ than. Lượng nước thải sau xử lý này có thể tiếp tục xử lý, tái sử dụng cho mục đích ăn uống, sản xuất và sinh hoạt. Đến nay toàn vùng mới chỉ có khoảng 82 triệu m3/năm (đạt xấp xỉ 29%) lượng nước thải được sử dụng lại. Vì vậy cần có quy hoạch để tái sử dụng lượng nước thải mỏ phục vụ cấp nước cho các hoạt động sản xuất và dân sinh, tiết kiệm tài nguyên và chi phí. Bài báo tổng hợp các thông tin, số liệu và đề xuất giải pháp tái sử dụng nước thải mỏ đã qua xử lý để cấp nước cho sinh hoạt và sản xuất khu vực Quảng Ninh.

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