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    • 1. 发明授权
    • Self-contained system for controlling gaseous emissions from dilute
organic sources and a process for using that system
    • 用于控制来自稀有机源的气体排放的独立系统和使用该系统的过程
    • US5308457A
    • 1994-05-03
    • US681869
    • 1991-04-05
    • Ralph A. Dalla BettaJames C. SchlatterDavid R. LaneDiana O. Durieux
    • Ralph A. Dalla BettaJames C. SchlatterDavid R. LaneDiana O. Durieux
    • B01D53/04B01D53/86C25F5/00
    • B01D53/0454B01D53/8668
    • This invention is a device and a process for controlling the emission of volatile organic components. The invention is useful on gaseous or vapor-containing streams containing a minor amount of organic material, particularly on fairly dilute streams or those containing only a few parts per million of the organic material. The device is useful in adsorbing organics as might be found emanating from paint spray booths, restaurants, print shops, dry cleaners, furniture manufacturers, and bakeries.The device may be two-stage including an adsorber and a catalytic oxidation reactor or may be of such a configuration that the same bed is used both as the adsorber and catalytic oxidation reactor. In the former configuration, a first stage contains an electrically conductive adsorbent bed, potentially comprising an adsorbent placed on a conductive support of fibers, foil, or other structure. The adsorbent removes the organic from the gaseous stream as that stream passes through. When the adsorbent is loaded with volatile organic, a voltage is applied to the conductive support and the adsorbed organic material is desorbed. The stream containing the desorbed organic is passed through a catalyst bed where a catalyst (which may also be on a conductive support) oxidizes the volatile organic to a harmless material which may (perhaps after other treatment) be emitted to the atmosphere.
    • 本发明是用于控制挥发性有机组分的排放的装置和方法。 本发明可用于含有少量有机材料的气态或含蒸汽流,特别是在相当稀释的物流上或仅含有少量百万分之有机材料的物流中。 该装置可用于吸附有机物,如从喷漆室,餐馆,印刷厂,干洗店,家具制造商和面包店那里可能发现的。 该装置可以是包括吸附器和催化氧化反应器的两级,或者可以具有这样的结构:使用同一床作为吸附剂和催化氧化反应器。 在前一种构造中,第一阶段包含导电吸附剂床,潜在地包括放置在纤维,箔或其它结构的导电载体上的吸附剂。 该吸附剂从气流通过时从气流中除去有机物。 当吸附剂装载有挥发性有机物时,向导电载体施加电压,吸附的有机材料被解吸。 含有解吸有机物质的物流通过催化剂床,其中催化剂(其也可以在导电载体上)将挥发性有机物氧化成无害材料,其可能(可能在其它处理之后)被排放到大气中。