METHOD FOR RECOVERING AND REUSING ACRYLIC ACID PRODUCTION PROCESS WASTEWATER
To provide a method for further increasing the yield of a product without increasing utility such as steam and electricity.SOLUTION: Provided is a method for recovering and reusing acrylic acid production process wastewater, comprising recovering wastewater generated to drive a decompression device...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a method for further increasing the yield of a product without increasing utility such as steam and electricity.SOLUTION: Provided is a method for recovering and reusing acrylic acid production process wastewater, comprising recovering wastewater generated to drive a decompression device used in an acrylic acid production process and reusing the same for the same and/or a separate acrylic acid production process and a production process of at least one selected from an acrylic acid ester, an acrylic acid metal salt, and an acrylic acid-based (co)polymer which uses the acrylic acid as a raw material.SELECTED DRAWING: None
【課題】蒸気、電力等のユーティリティーを増加させることなく、製品収率の更なる向上させる方法を提供すること。【解決手段】アクリル酸の製造プロセスで使用される減圧装置を駆動させるために生じる廃水を、同一及び／又は別のアクリル酸の製造プロセス、並びに、当該アクリル酸を原料として用いるアクリル酸エステル、アクリル酸金属塩、アクリル酸系（共）重合体からなる群から選ばれる少なくとも１つの製造プロセスに回収、再利用することを特徴とする、アクリル酸製造プロセス廃水の回収・再利用方法。【選択図】なし |
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