【摘要】 主要介绍了磷化工厂含碘烟气中碘元素通过富集,沉淀回收的方法。对碘的回收的影响因素很多,主要讨论温度、pH值、沉淀剂的种类与碘回收的关系,并且通过实验找出最佳的工艺参数并确定经济合理、适用性广的工艺流程。更多还原

【Abstract】 The method that recovers iodine by enrichment and precipitation from the smoke of the phosphoric acid chemical plant is introduced in this article.There are a lot factors influencing the recovery of iodine,the article mainly discusses the relationship of the recovery iodine and temperature,the value of PH,the different category of precipitate and so on.It finds out the optimal craft parameter and ensures an economical,feasible and widely-applicable craft process through experiments.更多还原