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Binary adsorption of very low concentration ethylene and water vapor on mordenites and desorption by microwave heating

机译：丝光沸石上二元极低浓度乙烯和水蒸气的二元吸附并通过微波加热解吸

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Microwave heating can be applied to regeneration of an adsorbent in the removal of volatile organic compounds in very low concentration.In this study,binary adsorption of ethylene and water vapor on mordenites (MORs)was carried out for very low concentration of ethylene.Microwave was irradiated to the adsorbent bed and the effect of adsorbed water on the heating of MORs and the desorption of the adsorbates were investigated.In the binary adsorption,all MORs showed linear adsorption for ethylene in very low concentration range and the amounts of adsorbed ethylene decreased as compared with the adsorption of the single component.NaMOR was heated up rapidly and to high temperature by microwave irradiation under both dry and humid conditions as compared with HMORs.Due to the strong adsorption of water on NaMOR,the coexisting water vapor hindered the adsorption of ethylene,but promoted microwave heating.In microwave heating of NaMOR after pre-adsorption of ethylene and water,ethylene was concentrated maximally about nine times as high as that in initial feed.
机译：微波加热可用于吸附剂的再生，以去除极低浓度的挥发性有机化合物。在这项研究中，进行了乙烯和水蒸气在丝光沸石（MORs）上的二元吸附，以降低乙烯的浓度。在二元吸附过程中，所有的MORs在极低的浓度范围内均表现出线性吸附乙烯的趋势，乙烯吸附量随吸附量的增加而降低。与HMORs相比，NaMOR在干燥和潮湿条件下均通过微波辐射被迅速加热并加热至高温。由于NaMOR对水的强烈吸附，共存的水蒸气阻碍了NaMOR的吸附。乙烯，但促进了微波加热。在乙烯和水预吸附后的NaMOR微波加热中，乙烯被最大浓缩量约为初始饲料的九倍。

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