钢铁综合废水处理中反渗透膜污染治理  

Membrane Pollution Control of Reverse Osmosis in Comprehensive Sewage Treatment of Iron and Steel Enterprise

作　　者：张亚宇 隋明明 戈永川 林佑祥 Zhang Yayu;Sui Mingming;Ge Yongchuan;Lin Youxiang(Shandong Iron and Steel Group Rizhao Co.,Ltd.,Rizhao 276827)

机构地区：[1]山东钢铁集团日照有限公司,山东日照276827

出　　处：《冶金设备》2024年第6期78-82,47,共6页Metallurgical Equipment

摘　　要：为解决膜污染、保持膜性能,从格网污染现象开展分析,对顽固污染进行清洗,降低预处理加药量,能量回收装置浓盐水回流涮膜。反渗透、纳滤系统浓缩倍数达到15以上,膜元件寿命已经达到7年,产品水指标优于要求。To solve membrane fouling and maintain membrane performance,an analysis was conducted on the phenomenon of grid fouling,and stubborn fouling was cleaned.The pre-treatment dosage was reduced,and the energy recovery device used concentrated salt water to reflux and rinse the membrane.The concentration factor of reverse osmosis and nanofiltration systems has exceeded 15,and the lifespan of membrane components has reached 7 years.The product water indicators are better than the requirements.

关 键 词：反渗透 膜污染 进水格网 化学清洗 

分 类 号：X703[环境科学与工程—环境工程]