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CN103316567B 用于从气流回收酸气的系统 有权 转让

用于从气流回收酸气的系统
摘要：
在一个实施方案中，提供一种气体纯化系统。该系统包括具有第一溶剂路径和第一气体路径的第一部分。配置第一气体路径以使汽提气流动，以在第一容器中从第一溶剂路径去除硫化氢（H2S）和二氧化碳（CO2）而产生第一气体混合物。该系统还包括具有第二溶剂路径的第二部分。配置第二溶剂路径以使第二溶剂混合物流动，以在第二容器内从第一气体混合物去除H2S并从第二溶剂混合物去除CO2。第二溶剂混合物具有在第一压力下CO2饱和的溶剂，第二容器在第二压力下操作，且第一压力和第二压力在彼此的约20%以内。
摘要（英）：

In one embodiment, a gas purification system is provided. The system includes a first section 150 having a first solvent path and a first gas path. The first gas path is configured to flow a stripping gas to remove hydrogen sulfide (H 2 S) and carbon dioxide (CO 2 ) from the first solvent path in a first vessel to produce a first gas mixture. The system also includes a second section 152 having a second solvent path. The second solvent path is configured to flow a second solvent mixture to remove H 2 S from the first gas mixture and CO 2 from the second solvent mixture within a second vessel. The second solvent mixture has a solvent saturated in CO 2 at a first pressure, the second vessel is operated at a second pressure, and the first and second pressures are within approximately 20% of one another.

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