A study on selective separation of the concentrated zinc chloride from hydrolysis sugar solution by nanofiltration

Y.-T. Kuo, T.-Y. Yang, H.-P. Wan, Industrial Technology Research Institute; C.-J. Chuang*, Chung Yuan University, Taiwan

This research used NF270, DL, and GE membranes to separate 16% ZnCl2 /7% glucose solutions under pH 2 to 4. The DL membrane had a positive zeta potential, while the NF270 and GE were both negative charged under the given conditions. For the rejection of glucose, NF270 can reached 85~90% under a pH=2 and TMP of 35 to 40 bar, the rejection of DL membrane was 50~60% approximately. For the Zinc ion rejection, NF270 had a rejection of 30~35% under the condition of pH=2 and TMP of 35 to 40 bar, but when the TMP changed to 25 ~30 bars, the rejection decreased to around...

Session: M4 - Short Oral + Poster Presentations
Day: 14 March 2018
Time: 14:45 - 16:45 h

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