某木薯乙醇项目职业病危害因素分析

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对某生物质能源企业的木薯乙醇项目进行职业卫生调查,结果表明存在的职业病危害因素有粉尘(矽尘、其他粉尘),化学有害因素(甲醇、乙醇、氰化氢、硫化氢、氨、硫酸、氢氧化钠、一氧化碳、二氧化碳、二氧化硫、氮氧化物),物理因素(噪声、高温、工频电场)。粉尘TWA和噪声8 h等效声级分别有2个和8个工种的接触浓(强)度超标,其余检测结果均符合国家职业接触限值。作业工人职业健康体检,未发现职业病或疑似职业病,但发现可疑高频听力轻度损害8人。提示该项目仍需加强相应的工程防护和个体防护措施。 Occupational health survey of cassava ethanol project of a biomass energy enterprise showed that there are occupational hazards such as dust (silica dust and other dust), chemical harmful factors (methanol, ethanol, hydrogen cyanide, hydrogen sulfide, ammonia, sulfuric acid , Sodium hydroxide, carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen oxides), physical factors (noise, high temperature, power frequency electric field). Dust TWA and noise 8 h equivalent sound level, respectively, 2 and 8 types of contact concentration (strong) exceeded, and the remaining test results are in line with the national occupational exposure limits. Workers occupational health examination, found no occupational diseases or suspected occupational diseases, but found that suspicious high-frequency hearing impairment 8 people. Suggest that the project still needs to strengthen the corresponding engineering protection and individual protective measures.
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