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METHOD AND APPARATUS FOR IMPROVING EFFICIENCY OF A FRONT-END PURIFICATION UNIT OF AN AIR SEPARATION PLANT
METHOD AND APPARATUS FOR IMPROVING EFFICIENCY OF A FRONT-END PURIFICATION UNIT OF AN AIR SEPARATION PLANT
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机译:提高空气分离装置前端净化单元的效率的方法和装置
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摘要
A method and apparatus for reducing heat bumps following regeneration of adsorbers in an air separation unit is provided. Certain embodiments of the current invention utilize the two waste streams available at very different temperatures from the two main exchangers (low-pressure and high-pressure core exchangers) for regeneration of the front-end purification adsorbers in the air separation unit (ASU) to reduce its energy consumption without compromising the stability of process. Certain embodiments help to eliminate/minimize high air temperature disturbance (heat bump) for the process downstream of the front-end purification unit during the transition from offline to online.
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