- 专利标题： METHOD FOR COLLECTING ALKALI METAL SALT HYDRATE AND 3-HYDROXYPROPIONIC ACID
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申请号： EP22899139.4申请日： 2022-11-29
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公开(公告)号： EP4328215A1公开(公告)日： 2024-02-28
- 发明人: HAN, Sang Won , KIM, Taeho , JEONG, Yongbok , AHN, Sangbum , JUNG, Woochul , KANG, Donggyun , KIM, Si Min , KIM, Jimyeong , BANG, Yongju , KIM, Jeong Eun , CHOE, Jae Hoon
- 申请人： LG Chem, Ltd.
- 申请人地址： KR Seoul 07336 128 Yeoui-daero Yeongdeungpo-gu
- 代理机构： Goddar, Heinz J.
- 优先权： KR20220161897 20221128
- 国际公布： WO2023096457 20230601
- 主分类号： C07C51/43
- IPC分类号： C07C51/43 ; C07C59/01 ; C12P7/52 ; C12N15/70 ; C12N9/88 ; C12N9/02 ; C01B25/32
摘要：
The present invention relates to a process of recovering alkali metal salt hydrate and 3-hydroxypropionic acid, comprising: forming and separating 3-hydroxypropionic acid salt crystal from a concentrate containing 3-hydroxypropionic acid in the presence of an alkali metal salt; and adding an acid to the aqueous solution containing the separated 3-hydroxypropionic acid salt crystal to form and separate an alkali metal salt hydrate and 3-hydroxypropionic acid.
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