发电技术2025，Vol.46Issue(2)：296-303,8.DOI:10.12096/j.2096-4528.pgt.23144
二氧化碳捕集塔内熔融共混亲水改性聚丙烯规整填料性能研究
Study on Properties of Hydrophilic Modified Polypropylene Regular Filler by Melt Blending in Carbon Dioxide Capture Tower
摘要
Abstract
[Objectives]At present,most amine based CO2 capture systems for flue gas use stainless steel filled towers.In order to significantly reduce the cost of filled towers,this paper proposes the use of polypropylene structured filler instead of high cost stainless steel structured filler,thereby reducing the investment cost of absorption towers in CO2 capture systems after combustion.[Methods]Using plastic fillers instead of stainless steel fillers,the selected polypropylene material and 30%mass fraction of polypropylene grafted maleic anhydride(PP-g-MAH)particles are mixed,and then they are melt blended to form regular fillers.On the constructed testing platform for fluid dynamics and mass transfer performance of fillers,different filler properties are tested.[Results]The dry tower pressure drop of regular fillers of 410Y and 350Y modified by melt blending of polypropylene and polypropylene grafted maleic anhydride is similar to that of stainless steel 500Y.The effective specific surface area of modified polypropylene filler 350Y is close to that of stainless steel filler 350Y with the same nominal specific surface area.Under liquid-phase loading conditions in the CO2 amine reaction absorption tower,the effective specific surface area of polypropylene filler of 350Y is about 90%of that of stainless steel filler of 350Y.[Conclusions]The modified polypropylene filler has similar performance to stainless steel filler and can replace stainless steel filler in practical applications,significantly reducing the investment cost of absorption towers in CO2 capture systems.关键词
碳捕集/化学吸收/聚丙烯填料/聚丙烯接枝马来酸酐(PP-g-MAH)/填料性能/不锈钢填料/有效比表面积Key words
carbon capture/chemical absorption/polypropylene filler/polypropylene grafted maleic anhydride(PP-g-MAH)/filler performance/stainless steel filler/effective specific surface area分类
能源与动力引用本文复制引用
胡昔鸣,董文峰,王争荣,孙路长,王凯亮,李超,方梦祥,李治甫..二氧化碳捕集塔内熔融共混亲水改性聚丙烯规整填料性能研究[J].发电技术,2025,46(2):296-303,8.基金项目
国家重点研发计划项目(2023YFE0199300) （2023YFE0199300）
中国华电集团公司"揭榜挂帅"项目(CHDKJ21-01-109) （CHDKJ21-01-109）
中央高校基本科研业务费专项资金(2022ZFJH004).Project Supported by National Key R&D Program of China(2023YFE0199300) （2022ZFJH004）
Enlisting and Leading Project of China Huadian Coroperation Ltd.(CHDKJ21-01-109) （CHDKJ21-01-109）
Special Funds for Basic Scientific Research Operations of Central Universities(2022ZFJH004). （2022ZFJH004）
