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Method For Preparing Acrylic Acid
Abstract: The present invention provides a method for preparing acrylic acid, comprising the steps of: obtaining a reaction product including unreacted lactic acid, water, light gas components, and acrylic acid, by supplying a lactic acid aqueous solution to a reactor to undergo a dehydration reaction; separating into a lower fraction containing unreacted lactic acid and an upper fraction containing water, light gas components, and acrylic acid, by supplying the reaction product to a first cooling tower; separating into a lower fraction containing water and acrylic acid, by suppling the upper fraction of the first cooling tower to a second cooling tower; and obtaining acrylic acid by purifying the lower fraction of the second cooling tower.
Notices, Deadlines & Correspondence
Patent Information
Applicants
LG CHEM, LTD.
Inventors
1. LYU, Byeong Gil
2. KIM, Mi Kyung
3. SHIN, Dae Young
4. JUNG, Da Bin
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202417009689-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [13-02-2024(online)].pdf | 2024-02-13 |
| 2 | 202417009689-STATEMENT OF UNDERTAKING (FORM 3) [13-02-2024(online)].pdf | 2024-02-13 |
| 3 | 202417009689-PROOF OF RIGHT [13-02-2024(online)].pdf | 2024-02-13 |
| 4 | 202417009689-PRIORITY DOCUMENTS [13-02-2024(online)].pdf | 2024-02-13 |
| 5 | 202417009689-POWER OF AUTHORITY [13-02-2024(online)].pdf | 2024-02-13 |
| 6 | 202417009689-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [13-02-2024(online)].pdf | 2024-02-13 |
| 7 | 202417009689-FORM 1 [13-02-2024(online)].pdf | 2024-02-13 |
| 8 | 202417009689-DRAWINGS [13-02-2024(online)].pdf | 2024-02-13 |
| 9 | 202417009689-DECLARATION OF INVENTORSHIP (FORM 5) [13-02-2024(online)].pdf | 2024-02-13 |
| 10 | 202417009689-COMPLETE SPECIFICATION [13-02-2024(online)].pdf | 2024-02-13 |
| 11 | 202417009689-FORM 3 [09-05-2024(online)].pdf | 2024-05-09 |