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热电厂多水源反渗透膜污堵分析 被引量:1

Analysis of multi-source reverse osmosis membrane fouling in thermal power plant
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摘要 分析热电厂锅炉发电补给水深度处理系统中的膜污堵现象,可为热电厂多水源反渗透系统的运行提供参考。文章结合水质与污染层结构、组成、形貌,考察了某热电厂多水源深度处理系统的运行效果及膜污染特征,分析了整个系统运行工况的出水水质。结果表明:一段膜污染物主要为Fe的水解产物、有机物及Fe-P复合物,胶状的Fe是造成膜运行压力明显上升的主要原因;二段膜以无机污染为主,主要为CaCO_(3)及Ca-Al、Ca-P的复合物,同时存在着一定的腐殖酸和微生物污染。 The analysis of membrane fouling in the advanced treatment system for boiler recharge water in a thermal power plant provides valuable insights into the operation of multi-water source reverse osmosis system.This study,considering water quality and the structure,composition and morphology of the polluted layer,investigates the operational effectiveness and membrane pollution characteristics of a multi-water source advanced treatment system in a thermal power plant.Additionally,the paper analyzes the effluent quality of the entire system.The results indicate that in the first stage,the primary pollutants consists of Fe hydrolysate,organic matter and Fe-P complex.Colloidal Fe emerges as a crucial factor causing a significant increase in membrane operating pressure.The second stage membrane is predominantly composed of inorganic pollutants such as CaCO_(3),Ca-Al and Ca-P,along with some humic acid and microbial contamination.
作者 贺飞 杨诗琪 杨声远 HE Fei;YANG Shiqi;YANG Shengyuan(National Energy Investment Group Xinjiang Chemical Co.,Ltd.,rümqi 830000,China;Chemical Engineering and Technology,Guangdong Technion-Israel Institute of Technology,Shantou 515000,China;Jining Poseidon Environmental Protection Technology Co.,Ltd.,Jining 272400,China)
出处 《山东建筑大学学报》 2023年第6期54-61,共8页 Journal of Shandong Jianzhu University
关键词 反渗透 中水回用 热电厂 膜污堵 reverse osmosis reclaimed water reuse thermal power plant membrane fouling
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