| This paper studied the adsorption properties of ethylene nitrogen ethane butylenet butane on some adsorbents. The experimental adsorption isotherm curves were measured by weight method. And the breakthrough curves of simulating industrial mixture gases on metal modified 13X zeolite molecular sieve active carbon II active carbon III were measured by dynamic method. Moreover,the influence of temperature swing adsorption (TSA) > pressure swing adsorption(PSA) desorption by low pressure water vapour to adsorption and desorption was researched.As a result,a adsorption technology of recovery of olefins was proposed .In this technology,the adsorbent is active carbon III and the temperature of adsorption is room temperature whereas the way of desorption is using low pressure vapour to finish it. The best technical parameters such as the flux of stuff gases the pressure of adsorption the temperature of desorption were found. Furthermore,the active carbon III was modified by loading Cu( I ),thus,a high efficiency adsorbents were prepared. And the best parameters of modifying were obtained. Finally,the primary technology of separation and recovery olefins by adsorption was designed. In this way,reliable data for industrial process was offered. |
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