摘要
采用质量分数为30%的甲基二乙醇胺(MDEA)水溶液为烟气SO2吸收液,聚丙烯(PP)中空纤维微孔膜组件为吸收器,研究吸收液温度、流量变化,气体停留时间,以及气液两相流程等操作条件对聚丙烯(PP)中空纤维膜脱硫率的影响。研究表明30%MDEA水溶液在温度35℃、流量100 mL/min的最佳试验条件下,经过一个膜吸收过程后,试验模拟烟气(含2.02%SO2+N2)中SO2含量从57.2 g/m3降到8.01 g/m3,脱硫率达86%,试验结果表明该技术若放大后应用于工业脱硫必将产生良好的经济效益和环境效益。
This paper reports a novel experimental unit consists of a polypropylene(PP) hollow fiber membrane module as an absorber and the absorbent solution of 30% methyldiethanolamine(MDEA) for removing sulfur dioxide from flue gas.The performance of the unit was evaluated in terms of the gas and liquid flow rates,absorbent temperature and gas residence time in the hollow fiber membrane module.The research findings indicated that its desulfurization efficiency could be as high as 86%.
出处
《环境科学与技术》
CAS
CSCD
北大核心
2011年第1期155-158,共4页
Environmental Science & Technology
基金
苏州市科技计划项目(SG0829)
关键词
中空纤维膜
膜吸收
MDEA水溶液
脱硫率
SO2
hollow fiber membrane(HFM)
membrane absorption
MDEA solution
desulfurization rate
sulfur dioxide