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    • 7. 发明申请
    • MINIMIZING WATER CONTENT IN ETHANOLAMINE PRODUCT STREAMS
    • 最小化乙醇胺产品流中的水含量
    • US20170022145A1
    • 2017-01-26
    • US15302600
    • 2015-04-06
    • SABIC GLOBAL TECHNOLOGIES B.V.
    • Naeem Al-Hazmi
    • C07C213/04B01D3/14B01D3/32C07C213/10
    • C07C213/04B01D3/143B01D3/322C07C213/10Y02P20/127C07C215/08C07C215/10
    • Systems and method are provided for reducing the water content in ethanolamine product streams from approximately 0.15%-0.19% by weight of water to approximately 0.02 to approximately 0.04 by weight of water. The reduced water content can be achieved by increasing the processing conditions at the monoethanolamine column by approximately 5% to approximately 20%, more preferably to approximately 10%, and by adding a dummy stream to the monoethanolamine column, which can be recycled to the reactor. The increased processing conditions and dummy stream at the monoethanolamine column can result in the following to achieve said water content: (i) the bottom stream flow rate increase by up to approximately 18.9%; the reboiler duty can be increased by up to 47.9%; and (iii) the condenser duty can be increased by up to approximately 52.5%.
    • 提供的系统和方法用于将乙醇胺产物流中的水含量从约0.15%-0.19%(重量)的水减少至约0.02至约0.04重量%的水。 降低的水含量可以通过将单乙醇胺柱的加工条件增加约5%至约20%,更优选至约10%,并通过向单乙醇胺塔中加入虚拟物流来实现,其可循环至反应器 。 在单乙醇胺塔处加工条件和虚拟物流的增加可能导致以下因素达到所述含水量:(i)底部流量增加高达约18.9%; 再沸器的使用税可以增加47.9%。 和(iii)冷凝器功能可以增加高达约52.5%。