膜科学与技术

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Pilot test optimization research of high-strength submerged membrane filtration

Authors： LI Zhonghu1, WANG Haitao, CHEN Donggen, XU Yinong, JIN Tieying, GUO Ziyang, JIN Jing, CHANG Na

Units： 1.School of Environmental Science and Engineering, Tianjin Polytechnic University，Tianjin 300387；2. Zhejiang Jinmo Environmental Technology Co., Ltd. Shaoxing 312000；3. Zhejiang advanced printing and dyeing manufacturing innovation center, Shaoxing 312000

KeyWords： printing and dyeing wastewater;HMF;energy saving;process research

ClassificationCode：TQ028；X703

year,volume(issue):pagination： 2023,43(5):89-97

Abstract：

Under the background of"Double carbon", energy-saving and efficiency-enhancing become important factors to be considered in the process of wastewater treatment. Aeration is the main energy consumption way in high-strength submerged membrane filtration (HMF) process for textile printing and dyeing wastewater treatment. In order to explore the best energy-saving method of the HMF process, a pilot test was carried out by single-factor analysis method to deeply investigate the energy-saving effect of the the aeration hole arrangement, the single curtain membrane area, the ventilation volume, the number of membrane frame layer and other factors on the HMF process. The results show that when the single-layer membrane frame is used, the operating conditions are as follows: the number of aeration holes is 6, the single curtain membrane area is 11 m2, and the ventilation rate is 14 m3/h, the operation cost of the process is the lowest, which is 1.30 yuan/ton of water, of which the energy consumption per ton of outlet water is 1.14 kWh and the cost of the ton of water chemical reagent is 0.28 yuan; When the double-layer membrane frame is used, the ventilation volume can be reduced by 37.5% under the same operating conditions, and the energy-saving effect of the process is obvious.

Funds：

国家重点研发计划（2019YFC0408400）。

AuthorIntro：

李忠华（1998-），男，内蒙古呼伦贝尔人，硕士研究生，主要研究方向为印染废水成分分析、工业废水处理，E-mail：2245959664@qq.com

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