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本文介绍了双活化剂多胺法脱碳工艺。在合成氨及甲醇生产中采用该工艺脱CO2具有净化度高,能同时脱除硫化物,吸收能力高,能耗低,溶液损失少,可利用闪蒸提高再生气CO2纯度等特点。列出了在各种工况下的工艺流程和消耗指标。叙述了该工艺近几年来的技术新进度,新装置的投运和该工艺应用于CO2再生气生产食品级CO2情况。
This article describes the dual activator polyamine decarburization process. CO2 removal in the process of ammonia and methanol production has the advantages of high degree of purification, simultaneous removal of sulfides, high absorption capacity, low energy consumption, less loss of solution, and the use of flashes to enhance the purity of regenerated CO2. Lists in a variety of conditions of the process and consumption indicators. The new progress of the technology in recent years, the commissioning of the new device and the application of this technology to the production of food grade CO2 by CO2 regeneration gas are described.