摘要
采用疏水性聚丙烯中空纤维膜组件为再生装置,以氨水富液溶液为再生液进行减压再生实验,考察了其液相流量、再生压力、再生温度等因素对CO2再生程度和CO2再生传质速率的影响。研究结果表明:当反应温度为60℃时,CO2减压再生程度随流量的增加而降低,且温度越高其下降趋势越明显;降低压力能够提高一定的CO2再生程度,再生传质速率随压力降低而下降;随着温度的上升,不同压力下的CO2再生程度均在迅速上升。
The characteristic of CO2 membrane vacuum regeneration(MVR) of ammonia rich solution using hydrophobic polypropylene hollow fiber membrane contactor was studied.The effects of operating parameters,including liquid flow rate,regeneration pressure and regeneration temperature,on regeneration rate of CO2 and CO2 mass transfer rate of regeneration were investigated in detail.The results showed that as liquid flow rate increased,regeneration ratio of CO2 reduced at 60℃ and regeneration ratio of CO2 reduced seriously with higher temperature.Reducing regeneration pressure can improve the CO2 regeneration extent,CO2 mass transfer rate of regeneration decreased with pressure.CO2 regeneration ratio increased rapidly with the rise of temperature.
出处
《能源工程》
2012年第3期37-42,共6页
Energy Engineering
基金
国家自然科学基金资助项目(50676083)
关键词
氨水
膜减压再生
二氧化碳
能耗
ammonia
membrane vacuum regeneration
CO2
energy consumption
