论文部分内容阅读
1999年 8月 ,位于上海西北的某化工厂苯肼车间发生一起 5 0 0Ｌ电加热反应锅爆炸致使 3名操作工人苯肼中毒的事故 ,现将调查情况报告如下 :1 工艺流程生产苯肼的生产工艺流程及原材料为 :重氮反应 (盐酸、苯胺、亚硝酸钠 )→还原反应 (盐酸、液碱、焦亚硫酸钠 )→碱析 (液碱、
August 1999, located in a chemical plant in northwestern Shanghai, a chemical plant phenylhydrazine workshop with a 500L electric heating reaction pot explosion resulted in three operators of phenylhydrazine poisoning accident, the investigation is reported as follows: 1 process of production of phenylhydrazine Production process and raw materials: diazo reaction (hydrochloric acid, aniline, sodium nitrite) → reduction reaction (hydrochloric acid, caustic soda, sodium metabisulfite) → alkaline analysis (caustic soda,