Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate
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United States of America Patent
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Issued Date -
Sep 27, 2012
app pub date -
Mar 2, 2012
filing date -
Mar 25, 2011
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Abandoned
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Abstract
Forming acetic acid and methanol from the hydrolysis of methyl acetate by reactive distillation is disclosed. A feed containing water and methyl acetate contacts a catalyst in a reactive space to perform the hydrolysis to form methanol and acetic acid. The reactive space comprises at least a first rectification zone, a first stripping zone and a first reaction zone. A catalyst is provided in the first reaction zone. The column further comprises a product space with at least a second rectification zone and a second stripping zone. The second stripping zone shares at least a portion of the column sump with the first stripping zone. A first head product is discharged from a reactive space head portion and a bottom product is discharged from the column sump and a second head product is discharged from a product space head portion and an intermediate product is discharged from the product space.
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