硫酸生产尾气中硫酸雾含量测定方法改进  

Improvement of determination method of the acid mist content of tail gas in sulfuric acid production

作　　者：卢金华 伊根生 郑丽宏 LU Jinhua;YI Gensheng;ZHENG Lihong(Hebei Jiheng Sairui Chemical Co.,Ltd.(Hebei Nitro Fertilizer Technology Innovation Centre),Wuyi 053400,China;Lantian Branch of Hebei Jiheng Group Co.,Ltd.,Wuyi 053400,China)

机构地区：[1]河北冀衡赛瑞化工有限公司(河北省硝基肥料技术创新中心),河北武邑053400 [2]河北冀衡集团有限公司蓝天分公司,河北武邑053400

出　　处：《磷肥与复肥》2021年第4期36-38,共3页Phosphate & Compound Fertilizer

摘　　要：借鉴盐酸中硫酸根测定方法,用硫酸钡比浊法测定硫酸生产尾气中的硫酸雾含量,测定结果与环保在线监测数据吻合,相对标准偏差<0.2%,加标回收率为96.0%~102.0%,准确度高,精密性好,操作简单、快速,成本低廉,可广泛应用。The acid mist content of tail gas in sulfuric acid production is determined by barium sulfate turbidimetric method with reference to the determination method of sulfate in hydrochloric acid.The determination results are consistent with the environmental monitoring data,the relative standard deviation is less than 0.2%,and the recovery rate is 96.0%-102.0%.The method has high accuracy,good precision,the operation is simple and fast,the cost is low,it can be widely used.

关 键 词：硫酸 尾气 硫酸雾 硫酸钡比浊法 

分 类 号：TQ111.1[化学工程—无机化工]