二氧化硒生产尾气净化工序的优化研究  

Optimization Study for Tailgas Purification Section of Selenium Dioxide Production

作　　者：赵浩然 房孟钊 ZHAO Hao-ran;FANG Meng-zhao(Daye Non-Ferrous Metals Co.,Ltd.,Huangshi 435002,China;Non-ferrous Metallurgy and Cyclic Utilization Hubei Key Lab,Huangshi 435002,China)

机构地区：[1]大冶有色金属有限责任公司,湖北黄石435002 [2]有色金属冶金与循环利用湖北省重点实验室,湖北黄石435002

出　　处：《硫磷设计与粉体工程》2021年第2期14-18,I0001,共6页Sulphur Phosphorus & Bulk Materials Handling Related Engineering

摘　　要：针对粗硒氧气氧化法制备二氧化硒工艺烟气大、工作环境恶劣、二氧化硒产出率不高、硒回收率低等缺点,从工艺改进、条件控制、设备改造等方面进行了研究。优化了二氧化硒生产工艺新的控制条件和尾气净化系统,提高了二氧化硒的转化率和一次合格率,实现了二氧化硒产品的稳定生产,尾气达标排放,降低了生产成本。For the drawbacks with the crude selenium oxygenation process to produce selenium dioxide–large amount of flue gas,adverse operating environment,unsatisfactory selenium dioxide yield,and low selenium recovery rate-a study is conducted in terms of process improvement,control of conditions,and equipment retrofit.The new control conditions and tailgas purification system for the selenium dioxide production are optimized,and conversion rate and first-time on-spec rate of selenium dioxide are increased,which has achieved stable production of selenium dioxide product,and the tailgas emission meets the standard,and the operating cost is reduced.

关 键 词：二氧化硒 尾气净化 转化率 达标排放 

分 类 号：X758.01[环境科学与工程—环境工程]