几种脱碳方法的分析比较_王波.pdfVIP

Apr. 2007 45 2 # 34# Chem icalFertilizer Design 2007 4 几种脱碳方法的分析比较 (, 048102) : 分析了溶剂吸收法脱除变换气中二氧化碳技术的优缺点; 阐述了变压吸附气体分离技术应 于合成氨尿 素脱碳的发展历程和工业应 现状;将二段法变压吸附脱碳的工艺技术指标和运行费 与目前国内常 的脱碳方 法进行了对比, 结果表明, 该法可简化流程方便操作降低运行成本, 且有效气体回收率高于溶剂吸收法脱碳技 术 : 变换气;脱碳; 变压吸附法; 溶剂吸收法; 二段变压吸附法; HD法;碳丙法; 改良MDEA 法;改良热钾碱法 : TQ 113. 264 : A : 1004- 8901( 2007)02- 0034- 04 A na ly sis and Com parison for Som e K ind s ofM ethods of D eOcarbon WA G Bo (Lanhua K echuang S tock C omp any L td, . Shanx i 048102 Ch ina ) Ab stract: Advantages shortages concerning the technology for removing the CO in shift gas by solvent absorption method were analyzed; author 2 has described the developmental progress and thepresent situation of industrial application inwhich separation technology for pressurevariation adsorption gas was used in carbon removal of ammonia synthesis section and urea section; comparisonwasmade separately forprocess technology indexes and opera- tion cost, using the pressure variation adsorption method by wt o stages and for that using the commonly used carbon removal method at present and at home, the result indicates that thismethod can smi plify the process flow, facilitate the operation, reduce theoperation cost andmoreover the recovery rate of effective gas is higher than that using carbon removal technology by solvent absorption method. K ey w ord s: shift gas; carbon removal; pressure variation adsorption method; solvent absorption method; pressure variation adsorption by wt o sta- ges; HD method; propylene carbonatemethod. / 18# 300 1 , , ,