结合目前天然气勘探发展现状,简述天然气脱硫脱碳工艺的发展历程,特别提出活化甲基二乙醇胺(MDEA)法在脱硫脱碳工艺中使用的广泛性,并通过活化MDEA溶剂与普通MDEA溶剂进行中试对比试验研究,认为筛选的活化MDEA溶液在各种条件下对CO2的吸收性能高于MDEA水溶液。所得结果可为高含CO2天然气脱碳工艺设计提供参考。
李海荣, 梁宇成, 王远江, 张艺
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1.在温度为50到100℃的范围内对于二乙烯三胺——碳酸钾——偏钒酸钾——水体系,测定了所含二乙烯三胺为不同浓度时的粘度。2.采用了比较计算方法对所得结果进行计算,结果是满意的。据此推荐出温度为100—120℃的粘度估计值。3.实验中观察到等温下在二乙烯三胺的热钾碱溶液中通入二氧化碳,使溶液粘度变化不大,并可能会使溶液粘度减少。
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