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In this study, extractive distillation has been applied to separate catechol (CAT) from carbofuran phenol(CFP) with high purity and yield. The relative volatility of CFP to CAT was measured, and the choice of separating agents was investigated. The experimental results indicated that CFP/CAT is an azeotropic system with an azeotropic point at 93.40°C/0.400 kPa and an azeotropic mixture containing...
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