Method and apparatus for absorbing (meth) acrylic acid
The object of the present invention is to provide a method to suppress changes the concentration of (meth)acrylic acid in the bottom solution discharged from the absorption column, and to enable stable operation for separating and purifying (meth)acrylic acid in the subsequent steps onward.The above...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The object of the present invention is to provide a method to suppress changes the concentration of (meth)acrylic acid in the bottom solution discharged from the absorption column, and to enable stable operation for separating and purifying (meth)acrylic acid in the subsequent steps onward.The above-mentioned object can be achieved by way of changing the water amount contained in the gas exhausted from the top portion of the absorption column. |
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