SEPARATION OF m-XYLENE FROM o-XYLENE BY EXTRACTIVE DISTILLATION |
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| Authors: | Lloyd Berg An-I Yeh |
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| Affiliation: | a Montana State University, Bozeman, MT |
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| Abstract: | m-Xylene is difficult to separate from o-xylene by rectification because the relative volatility is only 1.12. m-Xylene can be separated from o-xylene using extractive distillation in which the extractive agent is composed of the proper higher boiling organic compounds. Typical effective agents are benzoates, DMSO, DMFA, adiponitrile, maleic anhydride, phthalic anhydride, polychloroaromatics and sulfolane. |
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| Keywords: | Separation m-Xylene o-Xylene Extractive distillation |
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