面源污染智能监测系统

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十亿分之一克水体污染物,1分钟“揪出”!
Ke Ji Ri Bao· 2025-04-28 22:46
Core Insights - The China Agricultural Academy of Agricultural Quality Standards and Testing Technology Research Institute has developed the world's first intelligent monitoring system for agricultural non-point source pollution, which enables real-time monitoring of high-risk antibiotics and pesticide residues in flowing water bodies [1][2] Group 1: Technological Breakthroughs - The research team led by Cheng Jie has achieved breakthroughs in materials, technology, and equipment to address the challenges of monitoring non-point source pollution, which is characterized by its dispersion, concealment, and complexity [2] - A new type of nano-composite material with molecular recognition and signal enhancement capabilities has been developed, improving stability by over five times compared to traditional adsorbents and significantly enhancing sensing performance [3] - The system can detect three categories of nine pesticides and three categories of ten antibiotics with a sensitivity of nanograms per milliliter (ng/mL), allowing for the detection of pollutants at concentrations as low as one billionth of a gram in one milliliter of water [3] Group 2: Operational Efficiency - The monitoring system can operate continuously for 180 days without human intervention, reducing operational costs by 70% and significantly improving monitoring efficiency [3][4] - In a demonstration project in the Haihe River basin, labor costs were reduced by approximately 60%, while monitoring frequency increased threefold [4] Group 3: Application and Impact - The system has been successfully applied in the Taihu and Haihe River basins, achieving an accuracy rate of over 90% in pollution warnings through real-time data uploads to a cloud platform and GIS technology [5] - The system allows for precise pollution source tracing, aiding management departments in implementing targeted remediation measures [6] - Future enhancements will include the detection of new pollutants such as perfluorinated compounds, endocrine disruptors, and microplastics, expanding the monitoring scope [6]