Recently, a news story about ‘a couple extracting over 27 jin (13.5 kg) of silver from waste CT film’ has attracted public attention. According to reports, a couple in a certain region collected discarded CT films from hospitals and successfully extracted more than 27 jin of silver through chemical processing, illegally profiting hundreds of thousands of RMB. CT films are coated with a light-sensitive emulsion containing small amounts of silver halides (e.g., silver bromide), which can be reduced to metallic silver through acid digestion and displacement reactions. While technically feasible, this method is a typical case of illegal hazardous waste recycling: CT films are classified as medical waste, and the processing can generate toxic chemicals (such as acidic wastewater and silver-containing residues), causing severe environmental pollution. Moreover, unauthorized extraction and sale of precious metals violate China’s ‘Law on the Prevention and Control of Environmental Pollution by Solid Waste’ and ‘Regulations on the Management of Hazardous Waste Business Licenses’. The individuals involved have now been subjected to criminal compulsory measures. This incident highlights loopholes in medical waste supervision and serves as a warning against profiting through hazardous methods, emphasizing the need for legal and compliant waste management.
近日，一则“夫妻利用CT废胶片提炼白银超27斤”的新闻引发关注。据报道，某地一对夫妇通过收集医院废弃的CT胶片，经过化学处理成功提取出白银共计27斤以上，非法获利数十万元。CT胶片表面涂有感光乳剂，其中含有少量卤化银（如溴化银），通过酸解、置换等反应可还原出金属银。该方法虽技术上可行，但属于典型的非法回收危险废物行为：CT胶片属于医疗废物，处理过程可能产生有毒化学物质（如酸性废水、含银废渣），严重污染环境；同时，未经许可提取和销售贵金属涉嫌违反《固体废物污染环境防治法》和《危险废物经营许可证管理办法》。目前涉事人员已被依法采取刑事强制措施。该事件反映出医疗废物监管漏洞，也警示个人切勿通过危险方式牟利，需合法合规处理废弃物。
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