Multi-Pollutant Formation and Control in Pressurized Oxy-Combustion:SO_(x),NO_(x),Particulate Matter,and Mercury  

加压富氧燃烧过程中多污染物的生成与控制——硫氧化物、氮氧化物、颗粒物和汞

作　　者：Gaofeng Dai Jiaye Zhang Zia ur Rahman Yufeng Zhang Yili Zhang Milan Vujanović Hrvoje Mikulčić Nebojsa Manic Aneta Magdziarz Houzhang Tan Richard L.Axelbaum Xuebin Wang 戴高峰;张嘉烨;Zia ur Rahman;张宇峰;张伊黎;Milan Vujanović;Hrvoje Mikulčić;Nebojsa Manić;Aneta Magdziarz;谭厚章;Richard LAxelbaum;王学斌

机构地区：[1]MOE Key Laboratory of Thermo-Fluid Science and Engineering,Xi’an Jiaotong University,Xi’an 710049,China [2]School of Ecology and Environment,Hainan University,Haikou 570228,China [3]Faculty of Mechanical Engineering&Naval Architecture,University of Zagreb,Zagreb 10000,Croatia [4]Faculty of Mechanical Engineering,University of Maribor,Maribor 2000,Slovenia [5]Faculty of Mechanical Engineering,University of Belgrade,Belgrade 11120,Serbia [6]AGH University of Krakow,Krakow 30059,Poland [7]Consortium for Clean Coal Utilization,Department of Energy,Environmental&Chemical Engineering,Washington University in St.Louis,St.Louis,MO 63130,USA

出　　处：《Engineering》2024年第8期127-153,共27页工程（英文）

基　　金：support of the National Key Research and Development Program of China(2022YFE0206600);the National Natural Science Foundation of China(52376125);Fundamental Research Funds for the Central Universities.

摘　　要：Oxy-combustion is a promising carbon-capture technology,but atmospheric-pressure oxy-combustion has a relatively low net efficiency,limiting its application in power plants.In pressurized oxycombustion(POC),the boiler,air separation unit,flue gas recirculation unit,and CO_(2)purification and compression unit are all operated at elevated pressure;this makes the process more efficient,with many advantages over atmospheric pressure,such as low NO_(x)emissions,a smaller boiler size,and more.POC is also more promising for industrial application and has attracted widespread research interest in recent years.It can produce high-pressure CO_(2)with a purity of approximately 95%,which can be used directly for enhanced oil recovery or geo-sequestration.However,the pollutant emissions must meet the standards for carbon capture,storage,and utilization.Because of the high oxygen and moisture concentrations in POC,the formation of acids via the oxidation and solution of SO_(x)and NO_(x)can be increased,causing the corrosion of pipelines and equipment.Furthermore,particulate matter(PM)and mercury emissions can harm the environment and human health.The main distinction between pressurized and atmospheric-pressure oxy-combustion is the former’s elevated pressure;thus,the effect of this pressure on the pollutants emitted from POC—including SO_(x),NO_(x),PM,and mercury—must be understood,and effective control methodologies must be incorporated to control the formation of these pollutants.This paper reviews recent advances in research on SO_(x),NO_(x),PM,and mercury formation and control in POC systems that can aid in pollutant control in such systems.

关 键 词：Pressurized oxy-combustion Sulfur oxides Nitrogen oxides Particulate matter MERCURY Direct contact cooler Carbon capture and sequestration 

分 类 号：TQ038[化学工程] X701[环境科学与工程—环境工程]