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Process system for separation of chemicals, distillation column arrangement and procedure for separation of chemicals
Process system for separation of chemicals, distillation column arrangement and procedure for separation of chemicals
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机译:化学品分离的处理系统,蒸馏塔的布置以及化学品分离的程序
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摘要
An arrangement for separating chemicals comprises a first distillation column (100) and the first distillation column (100) receives a mixture that comprises water and at least two organic acids and extractant that comprises at least one of the following: hexanol, an ester of hexanol with said at least one organic acid and 2-methylpentanol. The first distillation column (100) forms a heterogeneous azeotrope of water and extractant at its top (104) on the basis of reactive heteroazeotropic extractive distillation not controlling chemical reactions between the extractant and said at least two organic acids, said first distillation column (100) removing the azeotrope through its top (104) for separating water from the organic acid.
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