北京科技大学学报Issue(8)：1101-1107,7.DOI:10.13374/j.issn1001-053x.2014.08.017
沼气提纯过程中二乙醇胺溶液吸收二氧化碳的影响因素
Influencing factors of CO2 absorption by diethanolamine solution for biogas purification
摘要
Abstract
The effects of influencing factors such as gas flow rate, liquid flow rate, CO2 volume fraction, absorption temperature and their interactions on the percent conversion Ƞ and the volumetric overall mass transfer coefficient in gas phases KG ae by diethano-lamine ( DEA) aqueous solution were systematically studied by using orthogonal experimental design and statistical analysis. The im-pact significance of these influencing factors was estimated. It is found that gas flow rate, liquid flow rate, CO2 volume fraction, ab-sorption temperature, the interactions between CO2 volume fraction and gas flow rate, between absorption temperature and liquid flow rate, and between absorption temperature and gas flow rate have remarkable effect onȠ;however, gas flow rate, liquid flow rate, CO2 volume fraction, absorption temperature, the interactions between gas flow rate and CO2 volume fraction and between gas flow rate and absorption temperature have distinguished influence on KG ae . With the increment of gas flow rate,Ƞdecreases, while KG ae increases.Ƞ and KG ae increase as the liquid flow rate increases, but they decrease as the CO2 volume fraction increases. The impact of absorption temperature on Ƞ and KG ae is approximately parabolic.关键词
沼气/提纯/二乙醇胺/二氧化碳/吸收/影响因素Key words
biogas/purification/diethanolamine/carbon dioxide/absorption/influencing factors分类
化学化工引用本文复制引用
魏广飞,刘应书,张辉,李虎,李小康,刘洋..沼气提纯过程中二乙醇胺溶液吸收二氧化碳的影响因素[J].北京科技大学学报,2014,(8):1101-1107,7.基金项目
国家高技术研究发展计划“生物天然气净化提纯关键技术研究”资助项目(2012AA101802-3) （2012AA101802-3）
