THE EFFECT OF ADSORPTION ISOTHERMS AND FLOW RATES ON SEPARATION PERFORMANCE IN MULTICOMPONENT CONTINUOUS SEPARATION
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概要
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Adsorption isotherms of a ternary mixture containing dimethyl phthalate, diethyl phthalate and di-n-butyl phthalate were measured by the step-pulse method in a wide range of concentration. They were expressed by Langmuir-type equations with weak interaction between components. The applicability or the proposed process to multicomponent continuous separation was confirmed by coupling the results of single-column experiments and simulation of the total process based on the isotherms obtained. It was found that non-linearity in adsorption isotherms had a positive effect on the separation.Separation performance depends significantly on the flow rates of desorbent fed to the columns in the refining zone and the shift time. Their effects on the separation were examined and the characteristic features of the proposed process were clarified. It was found for the ternary mixture tested that the middle component (i.e., diethyl phthalate) was quite sensitive to separation performance.
- 社団法人 化学工学会の論文
- 1993-06-20
著者
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Ishida Masaru
Research Laboratory Of Resources Utilization Tokyo Institute Of Technology
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Hatanaka Takeshi
Research Laboratory Of Resources Utilization Tokyo Institute Of Technology
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