High-temperature adsorption of normal paraffinic hydrocarbons from kerosine fraction by MgA zeolite
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Adsorption isotherms have been measured for mixed C10-C18 paraffinic hydrocarbons and n-tridecane on binder-free MgA zeolite. Commonality has been established for the adsorption characteristics of mixed C10C18 paraffins and those of an individual hydrocarbon (n-tridecane) with a molecular weight close to the average for the mixture. Thus, the adsorption isotherm of the appropriate individual hydrocarbon can be used to estimate the adsorption of multicomponent mixtures.
A study has been made of the influence of adsorbent circulation rate and feedstock linear velocity on the process indices in the continuous separation of n-paraffins from petroleum fractions. It has been shown that, under continuous process conditions, thorough extraction of mixed n-paraffins can be achieved. Recommendations are given for selecting the optimal values of zeolite circulation rate and feedstock linear velocity.
KeywordsPetroleum Zeolite Hydrocarbon Adsorption Isotherm Kerosine
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