微波辐照活性炭对烧结烟气硫硝脱除的研究进展  

Research progress on desulfurization and denitrification of sintering gas by utilizing microwave to irradiate activated carbon

作　　者：孟令一 石焱 胡长庆 王健雄 MENG Lingyi;SHI Yan;HU Changqing;WANG Jianxiong(North China University of Science and Technology School of Metallurgy and Energy,Tangshan 063210,Hebei,China;North China University of Science and Technology Key Laboratory of Modern Metallurgical Technology of Hebei Province,Tangshan 063210,Hebei,China)

机构地区：[1]华北理工大学冶金与能源学院,河北唐山063210 [2]华北理工大学河北省现代冶金技术重点实验室,河北唐山063210

出　　处：《烧结球团》2024年第6期68-77,共10页Sintering and Pelletizing

基　　金：国家自然科学基金资助项目(52174312);河北省自然科学基金-高端钢铁冶金联合基金资助项目(E2021209151)。

摘　　要：微波辐照活性炭脱硫脱硝技术能高效脱除烧结烟气中的SO_(2)和NO_(x)。该技术在实验阶段SO_(2)和NO_(x)的脱除率可达到95%以上,且具备占地面积小、工艺流程少、节能环保的理想效果,在工业烟气处理中具有巨大的发展潜力。基于微波在烧结烟气中的传播加热特性及活性炭的良好吸附性,二者协同促进催化还原反应发生,组成一套高效的烧结烟气处理工艺。本文将微波辐照活性炭烟气硫硝脱除技术与传统烧结烟气处理技术进行对比,总结该工艺的优势和国内外现有研究成果,深入研究该工艺的技术细节和反应机理,找到该工艺在能源消耗、副产物处理、污染协同处理和研发成本中存在的现有不足,深入剖析该工艺应用于实践领域存在的弊端和制约因素,展望其未来发展方向,为下一步研究指明道路。Desulfurization and denitrification technology utilizing microwave to irradiate activated carbon can efficiently remove SO_(2)and NO_(x)from sintering gas.The removal rate of SO_(2)and NO_(x)can reach more than 95%in the experimental stage,and it has the ideal effect of small footprint,less process flow,energy saving and environmental protection,and has great development potential in industrial gas treatment.Based on the propagation and heating characteristics of microwave in the sintering gas and the good adsorption of activated carbon,the two synergistically promote the catalytic reduction reaction to form a set of efficient sintering gas treatment process.Desulfurization and denitrification technology utilizing microwave to irradiate activated carbon is compared with the traditional sintering gas treatment technology,the advantages of this process and existing research results at home and abroad are summarized,the technical details and reaction mechanism of this process are deeply studied,the current shortcomings of this process in energy consumption,by-product treatment,pollution coordination treatment and R&D costs are found out,the drawbacks and restrictive factors of this process in practical applications are deeply analyzed,its future development direction is prospected,and the way for the next step of research is shown clearly.

关 键 词：微波 活性炭 烧结烟气 脱硫 脱硝 

分 类 号：TF046.4[冶金工程—冶金物理化学] X701.3[环境科学与工程—环境工程]