工业烟气脱硝技术国内外研究进展  

Research Progress of Industrial Flue Gas Denitrification Technology

作　　者：赵琳 刘庆岭[1] 周伟[2] 胡芝娟[2] 彭学平[2] 张利娜 刘旭月[2] ZHAO Lin;LIU Qing-ling;ZHOU Wei;HU Zhi-juan;PENG Xue-ping;ZHANG Li-na;LIU Xu-yue(School of Environmental Science and Engineering,Tianjin University,Tianjin 300350,China;Tianjin Cement Industry Design and Research Institute Co.,Ltd.,Tianjin 300400,China)

机构地区：[1]天津大学环境科学与工程学院,天津300350 [2]天津水泥工业设计研究院有限公司,天津300400

出　　处：《化学试剂》2021年第6期747-756,共10页Chemical Reagents

摘　　要：随着超低排放政策的制定和逐步实施,各项法律法规、国家标准和行业标准对氮氧化物的排放浓度和排放总量均作出要求,氮氧化物减排迫在眉睫,迫切的需要发展更加适合我国国情、适应不同行业烟气特点的多元化脱硝技术,各种脱硝技术的研发与应用也受到了国内外工业和学术界的广泛关注。脱硝技术分为干法和湿法两类,干法脱硝主要包括吸附法、还原法、分解法和氧化法等。湿法脱硝技术包括溶液吸收、气相氧化吸收、液相氧化吸收等技术,还可耦合紫外、微波、电化学等技术提高脱硝效率。对各种技术逐一进行了介绍,并通过对国内外最新研究进展的报道作出具体阐述和简要评价比较,最后对烟气湿法脱硝技术进行总结和展望,旨在为各项脱硝新技术的进步及早日实现工业应用提供参考。With the formulation and gradual implementation of the ultra-low emission policy,various laws and regulations,national standards,and industry standards have been launched to set requirements for the concentration and total emission of nitrogen oxides.The reduction of nitrogen oxides is imminent,and the urgent need for development is more suitable for our nation.Diversified denitrification technologies have been adapted to the characteristics of flue gas in different industries,and the development and applications of various denitrification technologies have also received extensive attention from domestic and international industries and academia.Denitrification technology can be divided into two categories:dry methods and wet methods.Dry denitrification methods mainly include adsorption method,reduction method,decomposition method,and oxidation method.Wet denitrification technology mainly include solution absorption,gas phase oxidation absorption,liquid phase oxidation absorption,and other technologies.It can also be coupled with ultraviolet,microwave,electrochemistry,and other technologies to improve the denitrification efficiency.This article introduced various technologies one by one,and provided specific explanations and brief evaluation comparisons through the latest research progress reported at home and abroad.Finally,summaries and prospects regarding the wet denitrification technologies of flue gas were given,aiming at providing references for the progresses of various new denitrification technologies and the early realization of industrial applications.

关 键 词：干法脱硝 湿法脱硝 还原法 氧化吸收法 生物法 

分 类 号：X5[环境科学与工程—环境工程]