RETRACTED ARTICLE: Purification of phenol from hydroxyacetone and 2-methylbenzofuran by rectification |
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| Authors: | I I Vasil’eva T N Tyvina I V Dmitrieva |
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| Institution: | (1) Illa International, Zheleznodorozhnyi pr. 40, St. Petersburg, 192148, Russia |
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| Abstract: | This paper presents structural relationships of phase equilibrium diagrams and azeotropic properties, and resulting evaluation of optimum process conditions for removal of hydroxyacetone (HA) and 2-methylbenzofuran (2-MBF) from phenol. It is demonstrated that the concentration region of HA separation from phenol is absolutely different from that for 2-MBF, which makes the task of HA and 2-MBF removal from phenol by distillation requiring installation of at least two highly selective extractive distillation columns operating with significant steam consumption. |
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