在常压下研究了多种分子筛上NO和NO2的吸附和脱附情况. 结果表明,有O2存在时, O2与NO生成的NO2可与NO共吸附在分子筛上,显著促进了NO在分子筛特别是Na型分子筛上的吸附. 在所研究的ZSM-5, 13X, SAPO, Y, β和A分子筛中, Hβ分子筛在无氧条件下对NO的吸附能力最强;13X分子筛在有氧条件下对NOx的吸附能力最强,且对NOx的吸附性能具有很好的重复性.
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