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苯系物主要指苯、甲苯、二甲苯等,属单环芳香族烃类,苯系物可从煤焦油提炼或液体石油产品高温裂解而获得。苯系物溶剂应用极广,几乎遍及所有铁路系统。我们根据铁道部有关部门的要求,於86～87年走访了部属机车车辆工广及路局厂段,借阅它们1986年工业污染源调查档案,结合国内外文献,谈谈铁路苯系物作业环境污染及其对接触工人的健康危害,为进一步采取防治措施,改善劳动条件,保护工人安全生产和身体健康而提供科学依据。
BTEX mainly refers to benzene, toluene, xylene and so on. It belongs to monocyclic aromatic hydrocarbons. Benzene series can be obtained from coal tar extraction or pyrolysis of liquid petroleum products. BTEX solvents are used in a wide range of applications over almost all rail systems. According to the requirements of relevant departments of the Ministry of Railways, we visited the subordinate locomotive and vehicle Guanghe Road Bureau Factory from 1986 to 1987 and borrowed their investigation records of industrial pollution sources in 1986, combined with domestic and foreign literatures, talked about the environmental pollution caused by the benzene series pollutants And its health hazards to workers exposed to provide scientific basis for further prevention and control measures, improvement of working conditions, protection of worker safety in production and physical health.