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    • 64. 发明申请
    • CHEMICAL LOOPING REMOVAL OF VENTILATION AIR METHANE
    • 化学循环去除通风空气甲烷
    • US20140227157A1
    • 2014-08-14
    • US14348500
    • 2012-09-28
    • NEWCASTLE INNOVATION LIMITED
    • Behdad MoghtaderiElham Doroodchi
    • B01D53/86
    • B01D53/8668B01D53/72B01D2251/20B01D2255/20738B01D2255/20761B01D2257/7025C01B3/10C01B32/50Y02C20/20Y02E60/36Y02P20/142Y02P20/156
    • Methane is removed from ventilation air by cycling metal or metal oxide particles in a chemical looping process in one or more reactors where the metal particles are alternately reduced and oxidised, and passing ventilation air through one or more of said reactors to convert the air plus methane into reduced air plus water plus carbon dioxide. In one variation, ventilation air methane (VAM) is removed from ventilation air in coal mines using a chemical looping process to move metal or metal oxide particles between reactors such as a hydrogen generator (5) and a regenerator (7) to alternatively reduce and oxidise the particles such that VAM introduced into a combustor (6) provided with hydrogen from the hydrogen generator (5) can be processed in the regenerator (7) to produce air plus water plus carbon dioxide. Other variations involve the use of three reactors in the chemical looping process, or the use of an array of parallel inclined plates forming lamellas between upper and lower reactors to keep lighter particles in the upper oxidiser reactor and heavier particles in the lower reducer reactor.
    • 通过在一个或多个反应器中的化学循环过程中循环金属或金属氧化物颗粒将金属从通风空气中除去,其中金属颗粒被交替地还原和氧化,并且使通风空气通过一个或多个所述反应器以将空气加甲烷 减少空气加水加二氧化碳。 在一个实施例中,通过化学循环过程在煤矿的通风空气中除去通风空气甲烷(VAM),以在诸如氢发生器(5)和再生器(7)的反应器之间移动金属或金属氧化物颗粒,以交替地减少和 氧化颗粒,使得可以在再生器(7)中处理从氢生成器(5)引入到具有氢气的燃烧器(6)中的VAM以产生空气加水加二氧化碳。 其他变化涉及在化学循环过程中使用三个反应器,或者使用在上反应器和下反应器之间形成薄片的平行倾斜板阵列,以将上部氧化剂反应器中的较轻颗粒保持在较低的还原反应器中较重的颗粒。