摘要
介绍了托普索WSA工艺的最新进展和MECSSULFOX技术的最新应用。WSA-DC技术将WSA技术的尖端优势(主要是高能效)与二次转化工艺的高转化率相结合,同时将一次转化后的气体循环到SO2转化器的进口以代替空气稀释,因而有可能处理φ(SO2)远高于6%~7%的进气。MECSSULFOX技术适用于各种废气和酸性气制酸,具有自动化操作、高效回收废热、简单而紧凑的模块化设计等主要优点。
The latest developments in Topsφbe's WSA process and recent applications of MECS SULFOX technology are reported. The WSA-DC technology combines the advantages of the WSA technology, primarily the high energy efficiency, with the high conversion efficiency of the double-contact process. At the same time, recycling of process gas after the first contact stage to the inlet of the SO2 converter instead of dilution with air makes it possible to accept feed gases with SO2 concentrations considerably higher than 6 vol% -7 vol%. MECS SULFOX technology is applicable to produce sulphuric acid from a wide range of sulphur-rich waste gases and waste liquids and has key benefits of automated operation, high-efficiency heat recovery and very simple and compact modular design.
出处
《硫酸工业》
CAS
2012年第6期11-16,共6页
Sulphuric Acid Industry
关键词
废气脱硫
含硫废物再生
硫酸生产
湿法工艺
off-gas desulphurization
sulphurous waste regeneration
sulphuric acid production
wet process