Experimental Study of the Removal of Fine Particulate Matter and Moisture from Flue Gas  

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作  者:ZHENG Xin LU Yuan WANG Bo ZHAO Lifeng 

机构地区:[1]CAS Key Laboratory of Advanced Energy and Power,Institute of Engineering Thermophysics,Beijing,100190,China [2]University of Chinese Academy of Sciences,Beijing,100049,China

出  处:《Journal of Thermal Science》2023年第6期2273-2283,共11页热科学学报(英文版)

基  金:supported by a National Science and Technology Major Project (No.2017-Ⅰ-0009-0010)

摘  要:Liquid desiccant systems are promising methods to recover water and waste heat simultaneously from flue gas.Prior research found that the reduction of particulate matter could occur during the absorption processes.In the present paper,experiments were carried out to explore the effect of removing fine particulate matter(PM_(2.5))in a liquid desiccant dehumidifier.Aqueous calcium chloride(CaCl_(2))was used as the desiccant in the experiments.The discrepancies in mass and energy conservation were within±10%and±15%,respectively,which showed the good reliability of the experimental results.Additionally,23.5%–46.0%of the PM_(2.5)and 23.9%–45.1%of the moisture in the flue gas were removed.By comparing the desiccant solution and water,it was found that they could minimally remove PM_(2.5)through washing the flue gas.Regardless of whether the flue gas was dehumidified by water or the solution,the removal fractions of PM_(2.5)of these two methods could be very close if they achieve the same fraction of moisture removal.From the results of a parameter analysis,it was found that the removal fraction of PM_(2.5)was nearly proportional to the removal fraction of moisture within the experimental range.

关 键 词:flue gas fine particulate matter REMOVAL DEHUMIDIFICATION 

分 类 号:X773[环境科学与工程—环境工程] TM621[电气工程—电力系统及自动化]

 

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