CAJ | 학술논문

为揭示一乙醇胺（ MEA）吸收法捕集CO2的机制，探寻重要参数对脱碳效率的影响情况，利用Aspen Plus建立MEA吸收烟气中CO2的系统模型。通过与某电厂脱碳系统运行数据的比对，发现该模型与实测值的拟合度较好。模型考察了吸收剂温度、烟气流量及贫液负荷等因素对脱碳效率的影响情况。结果表明：吸收剂温度越低、烟气量越小、贫液负荷越低，CO2的吸收率越高。该模型对脱碳系统的变工况运行和提高脱碳效率，起到了指导和预测作用。
위게시일을순알（ MEA）흡수법포집CO2적궤제，탐심중요삼수대탈탄효솔적영향정황，이용Aspen Plus건립MEA흡수연기중CO2적계통모형。통과여모전엄탈탄계통운행수거적비대，발현해모형여실측치적의합도교호。모형고찰료흡수제온도、연기류량급빈액부하등인소대탈탄효솔적영향정황。결과표명：흡수제온도월저、연기량월소、빈액부하월저，CO2적흡수솔월고。해모형대탈탄계통적변공황운행화제고탈탄효솔，기도료지도화예측작용。
In order to reveal the mechanism of monoethanolamine ( MEA) capturing CO2 and to explore the important parameters ’ influence on decarburization efficiency , the Aspen Plus was used to establish the model of MEA absorbing CO2 from the flue gas.Comparing with the operating data of a plant decarburization system indicates that this model agrees well with the measured values , and it can investigate the influence of absorbent temperature, flue gas flow and barren liquor load on the decarburization efficiency , and lower absorbent tem-perature , flue gas flow and barren liquor load can bring higher CO 2 absorption rate .This model plays a guide and predictive effect in increasing de-carbonization efficiency and de-carbonization system ’ s varying duty .