ĐÁNH GIÁ TIỀM NĂNG GIẢM PHÁT THẢI KHÍ MÊ-TAN CỦA MỘT SỐ GIẢI PHÁP CÔNG NGHỆ XỬ LÝ NƯỚC THẢI

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Tác giả: Ngọc Cầu Lê, Trọng Hoàng Mai, Thị Thanh Hoài Nguyễn, Thu Minh Nguyễn, Việt Tùng Trần

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học Biến đổi khí hậu, 2022

Mô tả vật lý: tr.45666

Bộ sưu tập: Metadata

ID: 336857

Thêm vào giỏ Liên kết toàn văn

Cam kết giảm phát thải khí mê-tan toàn cầu là sáng kiến được đề xuất tại COP26 với mục đích giảm 30% phát thải khí mê-tan toàn cầu vào năm 2030 so với năm 2020. Mục đích của nghiên cứu này là đánh giá tiềm năng giảm phát thải khí mê-tan của một số giải pháp công nghệ xử lý nước thải sinh hoạt và công nghiệp vào năm 2030 so với năm 2020. Bằng cách sử dụng Hướng dẫn kiểm kê khí nhà kính cấp quốc gia năm 2006 (IPCC 2006), nghiên cứu đã đánh giá được tiềm năng giảm phát thải khí mê-tan của các giải pháp xử lý nước thải được đề xuất vào năm 2030 so với năm 2020 là khoảng 4,9 triệu tấn CO2tđ, tương ứng với mức giảm 41,155%, trong đó xử lý nước thải sinh hoạt có tiềm năng giảm 42,1% và xử lý nước thải công nghiệp có tiềm năng giảm 37,4%. Đối với từng giải pháp công nghệ, tiềm năng giảm phát thải khí mê-tan của giải pháp GP1- Tối ưu hóa điều kiện xử lý nước thải sinh hoạt nhằm giảm phát thải khí mê-tan là 2.815,08 nghìn tấn CO2tđ, giải pháp GP2- Ứng dụng công nghệ sinh học để loại bỏ khí mê-tan từ quá trình xử lý nước thải sinh hoạt là 960,51 nghìn tấn CO2tđ, giải pháp GP3- Tối ưu hóa điều kiện xử lý nước thải công nghiệp nhằm giảm phát khí mê-tan là 253,84 nghìn tấn CO2tđ và giải pháp GP4- Thu hồi khí mê-tan từ xử lý nước thải công nghiệp chứa hàm lượng chất hữu cơ cao là 868,13 nghìn tấn CO2tđ.The Global Methane Pledge is an initiative initiated at COP26 with the aim of reducing global methane emissions by 30 percent below 2020 levels by 2030. The purpose of this study is to assess the methane reduction potential of several domestic and industrial wastewater treatment technologies in 2030 compared to 2020. Using the 2006 National Greenhouse Gas Inventory Guidelines (IPCC 2006), the study assessed the methane reduction potential of the proposed wastewater treatment measures to be about 4.9 million tons of CO2eq in 2030 compared to 2020, corresponding to a reduction of 41.155%, of which domestic wastewater treatment has the potential to reduce 42.1% and industrial wastewater treatment has the potential to reduce 37, 4% methane emission. Regarding each technological measure, methane reduction potential of measure GP1- Optimizing domestic wastewater treatment conditions to reduce methane emissions is 2,815.08 thousand tons of CO2eq, measure GP2- Using biotechnology to remove methane from domestic wastewater treatment process is 960.51 thousand tons of CO2eq, measure GP3- Optimizing industrial wastewater treatment conditions to reduce methane emission is 253.84 thousand tons CO2eq and measure GP4- Methane recovery from the treatment of industrial wastewater with high organic matter content is 868.13 thousand tons of CO2eq.

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