净水技术2025，Vol.44Issue(2)：79-85,7.DOI:10.15890/j.cnki.jsjs.2025.02.009
水厂浸没式超滤膜系统运行参数优化
Optimization of Operation Parameters of Immersed UF Membrane System in WTPs
申锋 1陶静 1岑松岭 1曹林春1
作者信息
- 1. 南通水务集团有限公司,江苏南通 226000
- 折叠
摘要
Abstract
[Objective]Ultrafiltration membrane technology has been widely applied in the upgrading and reconstruction of water treatment plants(WTPs),with good finished water quality and high biological safety.However,there are also high operating and maintenance costs that need to be addressed urgently.[Methods]At present,in terms of the operation practice of immersion ultrafiltration membrane,there was less experience in actual project cases.The design scale of the immersion ultrafiltration membrane in Langshan WTP was 300 000 m3/d,combined with the upstream ozone activated carbon process.[Results]The effluent quality was safe and stable,with a turbidity of less than 0.1 NTU and a particle count of less than 10 CNT/mL.[Conclusions]In operation management,it is found that using an optimization scheme that maintains the original filtration cycle below 20℃and prolongs the filtration cycle for 4 hours above 20℃can reduce water consumption by about 12%and electricity consumption by about 12%on the original basis through optimization analysis of different operating parameters for membrane tanks.Extending the soaking time for maintenance cleaning and conducting a restorative cleaning once a year can ensure the stability of the membrane system operation.Taking the example of resuming washing in June 2023,5 000 mg/L hydrochloric acid is reused 7 times(adding some acid during reuse)which saves about 48%of the dosage on the original basis.This indicates that reusing the restorative cleaning agent can save operating consumption.It has certain reference significance for the cost reduction and efficiency increase of membrane WTP.关键词
浸没式超滤膜/水厂/参数优化/稳定性/优化Key words
immersed UF membrane/water treatment plant(WTP)/parameters optimization/stability/optimization分类
建筑与水利引用本文复制引用
申锋,陶静,岑松岭,曹林春..水厂浸没式超滤膜系统运行参数优化[J].净水技术,2025,44(2):79-85,7.
