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HYDROGEN AND POWER PRODUCTION WITH INTEGRATED CARBON DIOXIDE CAPTURE BY CHEMICAL-LOOPING REFORMING

机译:通过化学循环重整,氢气和电力生产,通过化学循环重整捕获二氧化碳

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Chemical-looping combustion is a novel combustion technology that can be used for CO_2 capture in power generating processes. Two separate reactors, one for air and one for fuel, are used. Oxygen is transferred between the two by means of an oxygen carrier. Since fuel and combustion air never mix, the combustion products, mostly CO_2 and H_2O, are not diluted with N_2. Consequently, a condenser is sufficient to obtain almost pure CO_2. In this paper, the opportunity to utilize chemical-looping for H_2 production, with CO_2 capture, is examined. The focus is on the thermodynamics and layout of a chemical-looping reformer for natural gas, but system integration for cogeneration of electricity has also been considered. It is found that the proposed reformer systems are very interesting and that their expected performances in several cases are considerably better than for the reference system - a steam reformer with CO_2 capture by amine scrubbing.
机译:化学环燃烧是一种新型燃烧技术,可用于发电过程中的CO_2捕获。使用两个单独的反应器,一个用于空气和一个用于燃料的反应堆。氧气通过氧载体在两个之间转移。由于燃料和燃烧空气从不混合,因此燃烧产物主要是CO_2和H_2O,不含N_2。因此,冷凝器足以获得几乎纯的CO_2。在本文中,研究了利用CO_2捕获使用化学环的机会,用CO_2捕获。重点是用于天然气的化学循环重整器的热力学和布局,但还考虑了电力发电的系统集成。发现该建议的重整器系统非常有趣,并且它们在几个情况下的预期性能比参考系统更好 - 通过胺擦洗的CO_2捕获的蒸汽重整器。

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