Study on the removal of methylene blue using rice starch as an adsorbent by mini-hydrocyclone

Authors

WU Han, School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi, Jiangsu 214122, China
YU Jianfeng, School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi, Jiangsu 214122, China
JIANG Yuting, School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi, Jiangsu 214122, China
HE Shiyuan, School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi, Jiangsu 214122, China
ZHAO Jiang, School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi, Jiangsu 214122, China

Abstract

Rice starch was used as an adsorbent to adsorb the dyeing wastewater simulated by methylene blue in mini-hydrocyclone. The single experiments were used to explore the effect of starch concentration, split ratio and feed flow rate on the efficiency of adsorption and separation. Moreover, the response surface analysis method was used to optimize process parameters. The results showed that the starch concentration, split ratio and feed flow rate all influenced the efficiency of adsorption and separation. The order of effect on adsorption efficiency was as followed: starch concentration > split ratio > feed flow rate, and the order of effect on separation efficiency was as followed: split ratio > Feed flow rate > starch concentration. The optimal parameters condition obtained by response surface method was as followed: starch concentration was 1.0%, split ratio was 19%, and feed flow rate was 1 080 kg/h. Under the control of these conditions, the efficiency of adsorption and separation was 69.2% and 74.3%, respectively.

Publication Date

8-28-2018

First Page

72

Last Page

78

DOI

10.13652/j.issn.1003-5788.2018.08.015

Recommended Citation

Han, WU; Jianfeng, YU; Yuting, JIANG; Shiyuan, HE; and Jiang, ZHAO (2018) "Study on the removal of methylene blue using rice starch as an adsorbent by mini-hydrocyclone," Food and Machinery: Vol. 34: Iss. 8, Article 15.
DOI: 10.13652/j.issn.1003-5788.2018.08.015
Available at: https://www.ifoodmm.cn/journal/vol34/iss8/15

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