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    • 4. 发明公开
    • Scrubber for reactive gases
    • 反应气体洗涤器
    • EP2606952A1
    • 2013-06-26
    • EP13153770.6
    • 2008-08-29
    • SpectraSensors, Inc.
    • Baum, Marc, M.Moss, JohnFeitisch, AlfredZhou, XinLiu, XiangKwan, Alex
    • B01D53/52B01D53/58B01D53/68G01N30/02
    • B01D53/685B01D53/42B01D53/52B01D53/58B01D2251/512B01D2251/602B01D2251/606B01D2259/40
    • A method is disclosed which comprises maintaining a scrubber medium at a temperature in a range of -20°C to 85°C, the scrubber medium comprising reactive nanoparticles having first aerodynamic diameters of less than 250 nm that are adhered to carrier particles having second aerodynamic diameters in a range of 10 to 250 microns, the carrier particles being inert relative to one or more background compounds, the reactive nanoparticles comprising a solid-phase acid, the reactive nanoparticles being adhered to the carrier particles by one or more of van der Waals and electrostatic forces. In a further step, a gas mixture is contacted with the scrubber medium while the scrubber medium is maintained at the temperature, the gas mixture comprising a reactive compound and the one or more background compounds, the reactive compound comprising a gas-phase Lewis base, the contacting causing the reactive compound to react with the reactive nanoparticles to convert the reactive compound to one or more non-volatile salts or other non-volatile chemical compounds. An apparatus, a composition and a refreshing method are also disclosed.
    • 公开了一种方法,其包括将洗涤器介质维持在-20℃至85℃范围内的温度,所述洗涤器介质包含具有小于250nm的第一空气动力学直径的反应性纳米颗粒,所述反应性纳米颗粒粘附于具有第二空气动力学 直径为10至250微米,所述载体颗粒相对于一种或多种背景化合物为惰性的,所述反应性纳米颗粒包含固相酸,所述反应性纳米颗粒通过一种或多种范德华力粘附至所述载体颗粒 和静电力。 在进一步的步骤中,使气体混合物与洗涤器介质接触,同时将洗涤器介质保持在该温度,该气体混合物包含反应性化合物和一种或多种背景化合物,反应性化合物包含气相路易斯碱, 该接触引起反应性化合物与反应性纳米颗粒反应以将反应性化合物转化为一种或多种非挥发性盐或其他非挥发性化合物。 还公开了一种装置,组合物和更新方法。