CAJ | 학술논문

通过评估阴极射线管(CRT)含铅玻璃及其冶炼后废渣的环境影响，有助于CRT玻璃回收和处置.本文采用醋酸缓冲液法(HJ/300-2007)研究了C RT的三种含铅玻璃及其铅冶炼后废渣的铅浸出特性，结果表明锥玻璃、颈玻璃和熔接玻璃铅浸出浓度均超出危险废物浸出标准，其中熔接玻璃中的铅极易溶出，在 CRT 玻璃中毒性最大；而铅冶炼废渣中的铅也极易溶出，废渣中的含铅量应低于1.5%才可视为一般固体废弃物.除了铅在化合物中的含量，铅的赋存结构使铅化合物浸出毒性差异很大.
통과평고음겁사선관(CRT)함연파리급기야련후폐사적배경영향，유조우CRT파리회수화처치.본문채용작산완충액법(HJ/300-2007)연구료C RT적삼충함연파리급기연야련후폐사적연침출특성，결과표명추파리、경파리화용접파리연침출농도균초출위험폐물침출표준，기중용접파리중적연겁역용출，재 CRT 파리중독성최대；이연야련폐사중적연야겁역용출，폐사중적함연량응저우1.5%재가시위일반고체폐기물.제료연재화합물중적함량，연적부존결구사연화합물침출독성차이흔대.
Evaluating the environmental impact of different cathode ray tube (CRT) leaded glass parts and its slag after lead extraction by smelting was helpful for the recycling and disposal of CRT glass. This study investigated the Pb leaching characteristics of different leaded CRT glass parts and its slag after lead extraction by HJ/T300-2007. The results showed lead leaching concentrations of funnel, panel, and frit glass all exceeded the threshold of leaching concentration for hazardous waste, and lead in frit glass was very easy to leach, contributing most to CRT toxicity;lead in slag was also very easy to leach, and leaded slag could be regarded as general solid waste only if its lead concentration was below 1.5%. Except for the Pb content in the material, Pb structure contributed a lot to the difference of Pb leaching.