膜科学与技术

高强度浸没式膜过滤的中试优化研究

作者：李忠华，王海涛，陈董根，许以农，金铁瑛，郭紫阳，金京，常娜

单位： 1天津工业大学环境科学与工程学院，天津 300387；2浙江津膜环境科技有限公司，绍兴 312000；3浙江省先进印染制造创新中心，绍兴 312000

关键词：印染废水；HMF；节能；工艺研究

出版年,卷(期):页码： 2023,43(5):89-97

摘要：

在“双碳”背景下，节能增效成为污水处理过程中重点考量的重要因素。纺织印染废水处理过程使用的高强度浸没式膜过滤（high-strength submerged membrane filtration，HMF）工艺，曝气为主要能源消耗途径。为探究HMF工艺的最佳运行方式，通过单因素分析法开展中试试验深入考察了曝气孔眼的布置、单帘膜面积、通气量、膜架层数等因素对HMF工艺的节能效果。结果表明：当采用单层膜架，运行条件为曝气孔眼数量6孔，单帘膜面积11 m2，通气量14 m3/h时工艺运行成本最低，为1.30元/吨水，其中吨产水能耗为1.14 kWh，吨水药剂费用为0.28元；当采用双层膜架，相同运行条件时可减少37.5%的通气量，工艺节能效果明显。

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.

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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