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污水厂二级出水虽经过初步处理，但仍含有多种污染物，如有机物（包括难降解有机物）、残留的营养物质、微生物及微量重金属等。为了实现水资源高效回用和提升出水品质，有必要对二级出水进行进一步深度处理。氧化-纳滤组合工艺是一种极具潜力的二级出水深度处理技术，其中氧化可以将二级出水中的部分难降解有机物氧化为小分子有机物，提高废水可生化性的同时可大幅降低纳滤膜污染，而纳滤膜能够有效截留剩余有机物、盐分和微生物等，从而达到更高的水质需求。综述了氧化-纳滤组合工艺处理二级出水研究进展，总结了国内外近年来纳滤与电化学、UV、臭氧、Fenton等高级氧化工艺联用工艺的研究现状，分析了不同高级氧化-纳滤工艺对二级出水中污染物去除效果、膜污染影响等，并对其在二级出水深度处理中的未来发展进行了展望，为氧化-纳滤组合工艺的进一步推广应用提供了技术支撑。
Abstract：Despite undergoing conventional treatment processes， secondary effluent retains a complex pollutant profile， including biodegradable and recalcitrant organic compounds， residual nutrients， microbial contaminants， and trace-level heavy metal ions. To optimize water resource recovery and improve effluent quality， advanced treatment of secondary effluent is imperative for achieving sustainable water reuse standards. The integrated oxidation-nanofiltration system demonstrates significant potential for advanced secondary effluent treatment. In this process， oxidative pretreatment degrades refractory organic compounds into low-molecular-weight intermediates， enhancing biodegradability， while subsequent nanofiltration achieves simultaneous removal of residual dissolved organics， ionic species， and microbial contaminants. Therefore， high quality effluent can be achieved via the hybrid process. This review systematically examines recent advancements in oxidation-nanofiltration integrated systems for secondary effluent treatment. It critically evaluates domestic and international research progress on nanofiltration coupled with electrochemical， UV， ozone， Fenton， and other advanced oxidation technologies. The analysis further compares contaminant removal efficacy across various hybrid configurations while elucidating membrane fouling mechanisms in combined oxidation-filtration processes. This study provides an outlook on the prospective development of integrated oxidation-nanofiltration systems for advanced wastewater treatment， offering theoretical guidance to facilitate practical implementation of this combined process.
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基本信息:
DOI：10.16581/j.cnki.issn1671-3206.20260922.001
中图分类号:X703
引用信息:
[1]贺庆豪,巩帅,邱立平,等.氧化-纳滤组合工艺处理二级出水研究进展[J].应用化工().DOI:10.16581/j.cnki.issn1671-3206.20260922.001.
基金信息:
济南市校融合发展战略工程项目（JNSX2024032）; 山东省科技型中小企业创新能力提升工程项目(2023TSGC0313); 中国博士后科学基金(2023M732618); 山东省自然科学基金(ZR2022QE030); 区域环境安全全国重点实验室专项基金（24K22ESPCT）
2026-09-22
2026-09-22
2026-09-22