Process and apparatus for enriching ammonia
    1.
    发明申请
    Process and apparatus for enriching ammonia 审中-公开
    用于浓缩氨的方法和装置

    公开(公告)号:US20050034479A1

    公开(公告)日:2005-02-17

    申请号:US10911868

    申请日:2004-08-05

    摘要: A process for enriching a crude ammonia stream having moisture and/or metal impurities and/or gas impurities therein. The crude ammonia stream is condensed to form a crude liquid ammonia stream. A distillation membrane or pervaporation membrane is contacted with the crude liquid ammonia stream to form an enriched ammonia vapor stream, which is removed as a permeate. When the crude ammonia stream originates from a manufacturing tool, the enriched ammonia vapor stream may be recycled to the manufacturing tool. There is also an apparatus for enriching a crude ammonia stream.

    摘要翻译: 一种富含其中具有水分和/或金属杂质和/或气体杂质的粗氨物流的方法。 将粗氨气流冷凝以形成粗液氨流。 蒸馏膜或渗透蒸发膜与粗液氨流接触以形成富集的氨蒸汽流,其被作为渗透物除去。 当粗氨流源自制造工具时,富集的氨蒸汽流可以再循环到制造工具中。 还有一种用于富集粗氨气流的装置。