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氯甲烷泄露大气环境风险评价 被引量:3

Risk Assessment of Atmospheric Environment of Methane Chloride Leakage
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摘要 以西北某6万t/a丁基橡胶项目为例,从风险源识别、评价标准比选、预测模式选取等方面,对氯甲烷相关项目的环境风险进行评价。该类项目的最大可信事故为氯甲烷管线泄露及氯甲烷燃烧或爆炸产生的光气扩散,评价标准选择AEGLs并用LC50做对比,预测模式选用SLAB重质气体模式。预测结果表明:LC50标准的计算结果存在适用局限性,边界外9 528 m范围内需进行风险防控。 With 60 thousand t/a butyl rubber project in the northwest as an example,key points of environmental risk assessment of related meth-ane chloride project was discussed from the aspects of risk source identification,evaluation standard comparison,prediction model selection and so on.The maximum credible accident of the project was phosgene diffusion caused by pipeline leakage,burning or explosion of chloromethane.The standard of AEGLs was chosen and LC50 was regarded as comparison.The SLAB heavy gas model was used to predict the results which showed that the application of LC50 standard calculation results were limited and the scope of the risk prevention and control of this project was 9 528 m.
出处 《安徽农业科学》 CAS 2016年第28期62-64,67,共4页 Journal of Anhui Agricultural Sciences
基金 国家重大科学研究计划项目(2012CB955302) 国家自然科学基金项目(41475008)
关键词 丁基橡胶项目 氯甲烷 环境风险评价 Butyl rubber project Methane chloride Environmental risk assessment
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