Abstract:This work investigated the nitrous oxide (NOx) storage process using alumina-based catalysts (K 2 O/Al 2 O 3 , CaO/Al 2 O 3, and BaO/Al 2 O 3 ). The feed was a synthetic exhaust gas containing 1,000 ppm of nitrogen monoxide (NO), 1,000 ppm i-C 4 H 10 , and an 8% O 2 and N 2 balance. The catalyst was carried out at temperatures between 250-450°C and a contact time of 20 minutes. It was found that NOx was effectively adsorbed in the presence of oxygen. The NOx storage capacity of K 2 O/Al 2 O 3 was higher than t… Show more
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