文献类型：期刊文献

英文题名：Influence of the physical conditions of a xylose and arabinose solution on nanofiltration separation performance

作者：Liu, Hetian[1,2];Yang, Yang[1,2];Zhao, Liming[1,2];Zhao, Hefei[3];Fan, Liqiang[1,2];Jiang, Lihua[1];Qiu, Yongjun[1,2];Zhou, Jiachun[1]

机构：[1]East China Univ Sci & Technol, R&D Ctr Separat & Extract Technol Fermentat Ind, State Key Lab Bioreactor Engn, Shanghai 200237, Peoples R China;[2]Shanghai Collaborat Innovat Ctr Biomfg Technol SC, Shanghai 200237, Peoples R China;[3]Shanghai Qiyu Biotech Co Ltd, Shanghai 200235, Peoples R China

年份：2017

卷号：68

起止页码：49

外文期刊名：DESALINATION AND WATER TREATMENT

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000403569900006)】；

基金：The authors would like to thank the National Natural Science Foundation of China (No. 31371725), Shuguang Program supported by Shanghai Education Development Foundation and Shanghai Municipal Education Commission (No. 15SG28), and the National High Technology Research and Development Program of China (863 Program) (No. 2014AA021202 and 2014AA021005), and the Fundamental Research Funds for the Central Universities (No. 222201717026) for their financial support.

语种：英文

外文关键词：Nanofiltration; Arabinose; Xylose; Stereo-structure; Molecular computational radius

摘要：To evaluate the feasibility of isomer separation by nanofiltration (NF), the effects of different monosaccharide stereo-structures on separation performance of xylose and arabinose nanofiltration were studied in this work. An NF250 membrane was used to study xylose and arabinose rejection under different physical conditions. The retention differences between xylose and arabinose were investigated under different solution conditions during NF processing. Furthermore, the influences of physical conditions on molecular computational radius (r(c)) and diffusion coefficient of the solute (D-p) were analyzed. The STERIMOL model was introduced to describe the theoretical sizes of monosaccharide molecules. Dp was applied to calculate the degree of rejections. The results showed that the rejection ratio of xylose to arabinose increased as Dp exceeded 5.0. Maintaining the trans-membrane pressure (TMP) between 8.0 and 12.0 bar, elevating the operation temperature and reducing the concentration of the bulk solution helped increase the rejection ratio of xylose to arabinose. This study presents a potential approach for monosaccharide isomers separation by solution physical properties regulating.