从二次母液中回收乳酸的研究 |
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引用本文: | 林放春,夏玲.从二次母液中回收乳酸的研究[J].精细化工,1994,11(3):39-42. |
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作者姓名: | 林放春 夏玲 |
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作者单位: | 湖南省安化县工业局 |
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摘 要: | 采用发酵法结晶工艺生产乳酸,清液经浓缩结晶回收乳酸钙晶体,分离去除的液体称为二次母液。二次母液因杂质多,其中所含乳酸钙在常规工艺下难以结晶,而在适宜的条件下,则能析出白色晶体,回收部分乳酸。
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关 键 词: | 乳酸 发酵 结晶 母液 回收 |
STUDY ON RECOVERY LACTIC ACID FRoM SECOND MOTHER LIQUOR |
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Abstract: | Abstract The second mother liquor is treated atsuitable conditions to destroy the system ofcolloidal state. Then , the selected catalyst isused to process and the white calcium lactatecrystalline solid is obtained.The yield of lacticacid can increase by 10.9%。 |
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