基于活性炭吸附与离子交换树脂法的玉米发酵液乳酸纯化工艺优化研究

欧阳佳琪; 张璐; 董同力嘎; 阿古达穆; 胡健; 邓玉明; 宋利君; 王兴; 张雅君; 额尔敦巴雅尔

doi:10.19554/j.cnki.1001-3563.2025.11.002

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包装工程（技术栏目） ›› 2025, Vol. 46 ›› Issue (11) : 11-20. DOI: 10.19554/j.cnki.1001-3563.2025.11.002

先进材料

基于活性炭吸附与离子交换树脂法的玉米发酵液乳酸纯化工艺优化研究

欧阳佳琪, 张璐, 董同力嘎, 阿古达穆, 胡健, 邓玉明, 宋利君, 王兴, 张雅君, 额尔敦巴雅尔

作者信息 +

Optimization of Lactic Acid Purification Process of Corn Fermentation Broth Based on Activated Carbon Adsorption and Ion Exchange Resin Method

OUYANG Jiaqi, ZHANG Lu, DONG Tungalag, A Gdamu, HU Jian, DENG Yuming, SONG Lijun, WANG Xing, ZHANG Yajun, Eerdunbayaer

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文章历史 +

摘要

目的提高玉米发酵液中乳酸的纯度,进而促进聚乳酸（PLA）的工业化生产。方法采用活性炭吸附蛋白质和离子交换树脂法对乳酸进行分离纯化。结果研究结果表明,活性炭添加量为0.02 g/mL、处理温度为80 ℃、处理时间为4 h,分离效果最佳。随后,使用离子交换树脂进一步纯化乳酸,最优处理条件为转速150 r/min、旋转时间4 h,最终乳酸纯度达到97.25%。结论通过活性炭吸附蛋白质和离子交换树脂法成功实现了乳酸的高效分离与纯化,本研究提供了有效的乳酸纯化方法。

Abstract

The work aims to enhance the purity of lactic acid in corn fermentation liquor and promote the industrial production of poly(lactic acid) (PLA). The activated carbon adsorption and ion-exchange resin methods were employed for the separation and purification of lactic acid. The results indicated that the optimal separation effect was achieved with 2 g of activated carbon per 100 ml at a treatment temperature of 80 °C for a treatment period of 4 hours. Subsequently, further purification of lactic acid was carried out with ion-exchange resin under the best conditions of a stirring speed of 150 r/min and a rotation period of 4 hours, resulting in a lactic acid purity of 97.25%. The efficient separation and purification of lactic acid is successfully achieved with activated carbon adsorption and ion-exchange resin methods. This study provides an effective method for lactic acid purification of poly(lactic acid).

导出引用

欧阳佳琪, 张璐, 董同力嘎, 阿古达穆, 胡健, 邓玉明, 宋利君, 王兴, 张雅君, 额尔敦巴雅尔. 基于活性炭吸附与离子交换树脂法的玉米发酵液乳酸纯化工艺优化研究[J]. 包装工程（技术栏目）. 2025, 46(11): 11-20 https://doi.org/10.19554/j.cnki.1001-3563.2025.11.002

OUYANG Jiaqi, ZHANG Lu, DONG Tungalag, A Gdamu, HU Jian, DENG Yuming, SONG Lijun, WANG Xing, ZHANG Yajun, Eerdunbayaer. Optimization of Lactic Acid Purification Process of Corn Fermentation Broth Based on Activated Carbon Adsorption and Ion Exchange Resin Method[J]. Packaging Engineering. 2025, 46(11): 11-20 https://doi.org/10.19554/j.cnki.1001-3563.2025.11.002

中图分类号： TB48

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