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    Process and apparatus for the separation of a gaseous mixture
    4.
    发明授权
    Process and apparatus for the separation of a gaseous mixture 有权
    用于分离气体混合物的方法和设备

    公开(公告)号：US09109831B2

    公开(公告)日：2015-08-18

    申请号：US11776475

    申请日：2007-07-11

    申请人： Arthur Darde ,  Bao Ha ,  Jean-Pierre Tranier

    发明人： Arthur Darde ,  Bao Ha ,  Jean-Pierre Tranier

    IPC分类号： F25J3/00 ,  F25J3/02 ,  F25J3/04

    CPC分类号： F25J3/0266 ,  F25J3/04533 ,  F25J2200/02 ,  F25J2200/04 ,  F25J2200/70 ,  F25J2200/76 ,  F25J2205/04 ,  F25J2210/04 ,  F25J2210/70 ,  F25J2215/04 ,  F25J2220/82 ,  F25J2220/84 ,  F25J2230/08 ,  F25J2230/20 ,  F25J2230/30 ,  F25J2230/42 ,  F25J2240/12 ,  F25J2240/90 ,  F25J2245/02 ,  F25J2260/80 ,  F25J2270/02 ,  Y02C10/12

    摘要： A process for separating carbon dioxide from a carbon dioxide containing fluid comprises the steps of: compressing the fluid in a compressor to form a compressed fluid, drying at least part of the compressed fluid to form a compressed and dried fluid, cooling at least part of the compressed and dried fluid to form a compressed, dried and cooled fluid, separating the compressed, dried and cooled fluid at a temperature lower than 0° C. into a carbon dioxide rich stream, a carbon dioxide lean stream and at least one intermediate purity liquid stream having a carbon dioxide purity lower than that of the carbon dioxide rich stream and higher than that of the carbon dioxide lean stream, expanding at least one intermediate purity liquid stream to produce at least one expanded stream using at least one expanded stream to cool the compressed and dried fluid and recycling at least part of the expanded stream.

    摘要翻译： 用于从含二氧化碳的流体中分离二氧化碳的方法包括以下步骤：压缩压缩机中的流体以形成压缩流体，干燥至少部分压缩流体以形成压缩和干燥的流体，冷却至少部分 压缩和干燥的流体以形成压缩，干燥和冷却的流体，将压缩的，干燥和冷却的流体在低于0℃的温度下分离成富二氧化碳流，贫二氧化碳流和至少一种中间纯度 液态物流的二氧化碳纯度低于富二氧化碳流的二氧化碳纯度，高于贫二氧化碳流的二氧化碳浓度，使至少一种中间纯度液体物流膨胀至少一个膨胀流，使用至少一个膨胀流冷却 压缩和干燥的流体并再循环至少部分膨胀的流。