METHOD FOR PREPARING ACRYLIC ACID
Provided is a method for preparing an acrylic acid, in which a lactic acid aqueous solution is dehydrated to prepare a reaction product stream, from which by-products are removed using an extraction column, an extractant recovery column, a first separation column, a second separation column, and a r...
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
17.07.2024
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Subjects | |
Online Access | Get full text |
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Summary: | Provided is a method for preparing an acrylic acid, in which a lactic acid aqueous solution is dehydrated to prepare a reaction product stream, from which by-products are removed using an extraction column, an extractant recovery column, a first separation column, a second separation column, and a refining column to prepare a high-purity acrylic acid. |
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Bibliography: | Application Number: EP20220881180 |