A novel membrane-based integrated process for baicalin recovery from TCM Pudilan wastewater

被引：8

作者：

Zhang, Xianli ^{[1
,2
]}

Ying, Ruixiang ^{[1
,2
]}

Chen, Xuanru ^{[1
,2
]}

Li, Qi ^{[1
,2
]}

Xu, Jinhui ^{[1
]}

Qiu, Jiaoyue ^{[1
,2
]}

Kong, Yanan ^{[1
,2
]}

Zhang, Yue ^{[1
,2
]}

Shao, Jianguo ^{[4
]}

Zhu, Fagen ^{[4
]}

Duan, Jinao ^{[1
]}

Tang, Zhishu ^{[5
]}

Li, Bo ^{[1
,2
,3
]}

Zhu, Huaxu ^{[1
,2
]}

机构：

[1] Nanjing Univ Chinese Med, Jiangsu Collaborat Innovat Ctr Chinese Med Resourc, Nanjing 210023, Peoples R China

[2] Nanjing Univ Chinese Med, Jiangsu Res Ctr Bot Med Refinement Engn, Nanjing 210023, Peoples R China

[3] Nanjing Univ Chinese Med, Clin Med Coll 1, Nanjing 210023, Peoples R China

[4] Jumpcan Pharmaceut Co Ltd, Taixing, Jiangsu, Peoples R China

[5] Shaanxi Univ Chinese Med, Shaanxi Collaborat Innovat Ctr Chinese Med Resourc, Xianyang 712046, Peoples R China

来源：

JOURNAL OF WATER PROCESS ENGINEERING | 2023年 / 53卷

基金：

中国国家自然科学基金;

关键词：

Ultrafiltration; Nanofiltration; PDL wastewater; Resources recovery; Baicalin; ENHANCED CONCENTRATION POLARIZATION; CROSS-FLOW MICROFILTRATION; FOULING MECHANISM; SLUDGE CHARACTERISTICS; ULTRAFILTRATION; PURIFICATION; REACTOR; ACID; OLIGOSACCHARIDES; FRACTIONATION;

D O I：

10.1016/j.jwpe.2023.103868

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study aimed to investigate the potential of membrane integration technology for the recovery of baicalin from Pudilan (PDL) industry wastewater. The impact of different membranes on permeate flux and separation efficiency was analyzed, with fouling mechanisms identified using both resistance-in-series and Hermia models. Results indicate that the CA50k and PES5k combination was suitable for the process. The retentate obtained from the UF membranes contained a significant amount of baicalin, which was subsequently recovered and purified using a straightforward acid precipitation method. The structure of the purified baicalin was identified using 1H NMR and 13C NMR spectra, achieving a maximum recovery rate of 26.15 % with a purity of 93.24 %. The findings of this study have significant implications for the resource utilization of traditional Chinese medicine (TCM) pharmaceutical wastewater.

引用

页数：10

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