硫化氢的净化技术及研究进展

综合评述了硫化氢废气的各类净化方法及最新的研究进展。硫化氢废气常规净化的方法有氧化法、吸收法、吸附法等,目前净化硫化氢废气的主要新技术,包括生物法、臭氧氧化法、电化学法和电子束照微波分解法。重点论述了生物法和电化学法净化工艺,生物法主要用于低浓度大气量的硫化氢废气的处理,具有设备简单、运行费用低,较少形成二次污染等优点;电化学法具有处理效率高、操作简便、不产生副产物或二次污染物等优点。这两种方法发展前景非常广阔,是今后发展的一个方向。

ADVANCES OF THE STUDY ON PURIFYING TECHNOLOGY OF HYDROGEN SULFIDE

This paper summarizes the research progress of the removal of hydrogen sulfide.General methods for purifying hydrogen sulfide include oxidation,absorbent and adsorbent.New methods for purifying hydrogen sulfide include biological methods,ozone oxidation,electrochemical treatment and electron beam irradiation decompounds.A more detailed discussion was presented for biological methods and electrochemistry methods.The biological treatment is suitable for low concentrations of hydrogen sulfide emissions from processing and it＇s advantages include simple equipment,lower operating costs,less secondary pollution.Electrochemical treatment has the advantages of high efficiency,simple operation,none by-products and secondary pollutants.These two methods have very broad prospects for development in future.