深圳昔日最大垃圾场，将建“数字新城”

Core Insights - The number of urban landfills in China has decreased from 640 in 2015 to 366 in 2023, indicating a significant shift towards waste incineration as the primary method of waste management [1][6] - Major cities are actively engaging in the restoration and repurposing of landfills, with notable projects like the Hai Kou Yan Chun Ling landfill and the Shenzhen Yu Long landfill, which are being transformed into eco-friendly and industrial spaces [1][4] Group 1: Landfill Statistics and Trends - As of 2023, incineration accounts for 75.3% of urban waste treatment in China, with 696 incineration facilities compared to 366 landfills [6] - The Yu Long landfill in Shenzhen, once the largest in the city, is undergoing a major restoration project with a total investment of 21.7 billion yuan, aimed at converting the site into digital industry land [2][4] Group 2: Project Details and Implications - The Yu Long landfill restoration project is expected to release approximately 300,000 square meters of industrial land, with construction scheduled to be completed by the end of 2026 [3][4] - The project includes comprehensive environmental restoration efforts such as waste excavation, leachate treatment, and odor control, with a total construction duration of 894 days [4][3] Group 3: Future Directions and Comparisons - The transformation of landfills into parks and industrial areas is becoming a common practice, with examples from cities like Wuhan and Hangzhou, although the Yu Long landfill's conversion into industrial land is relatively unique [7][8] - Shenzhen's ongoing efforts to manage and repurpose closed landfills are guided by new local standards aimed at enhancing land use and mitigating environmental impacts [8][9]