面向垃圾渗滤液深度处理的抗污染纳滤膜应用研究 |
作者:陈伯志,马 悦,李 璐,付正军,王 龙,郁 凯,孙世鹏 |
单位: 1.南京蔚华膜科技有限公司,南京 211899 ;2.南京工业大学 化工学院,南京 211816 |
关键词: 纳滤膜;垃圾渗滤液;抗污染 |
DOI号: |
分类号: TQ028;X703.1 |
出版年,卷(期):页码: 2024,44(2):134-139 |
摘要: |
截至2021年,中国城市垃圾年产量高达1.5×108t,垃圾处理产生的渗滤液约占垃圾量的25%~30%。随着国家对环境保护要求的逐步提高,垃圾渗滤液的深度处理迫在眉睫。纳滤膜具有独特的孔径和电荷效应,对小分子有机物和二价离子有很高的分离精度,因此在垃圾渗滤液深度处理中有广泛应用前景。然而膜污染问题一直是纳滤膜应用过程中无法避免的关键问题之一。本项目采用南京蔚华膜科技有限公司生产的抗污染纳滤膜(AMNF-8040)对安徽淮南某生活垃圾填埋场的渗滤液进行深度处理。结果表明,AMNF-8040纳滤膜对垃圾渗滤液中的化学需氧量(CODCr)截留率大于96.5%,对氨氮的截留大于89.8%。出水水质远优于国家标准。与同期使用的进口竞品纳滤膜相比,AMNF-8040纳滤膜表现出更出色的抗污染性能,并且具有良好的长期稳定性。因此,AMNF-8040抗污染纳滤膜在垃圾渗滤液深度处理领域展现出了广阔的应用前景。 |
As of 2021, the annual production of municipal solid waste in Chinese cities reached a staggering 150 million tons, with leachate from waste treatment accounting for approximately 25-30% of the waste volume. With the gradual increase in environmental protection requirements imposed by the government, there is an urgent need for advanced treatment of leachate. Nanofiltration membranes, characterized by unique pore sizes and charge effects, exhibit high separation precision for small organic molecules and divalent ions, making them promising for deep treatment of landfill leachate. However, membrane fouling has always been one of the inevitable key issues in the application of nanofiltration membranes. In this project, the anti-fouling nanofiltration membrane (AMNF-8040) produced by Nanjing Weihua Membrane Technology Co., Ltd. was employed to perform deep treatment on the leachate from a municipal landfill in Huainan, Anhui Province. The AMNF-8040 nanofiltration membrane achieved a CODCr retention rate of over 96.5% and an ammonia nitrogen retention rate of over 89.8% in the leachate. The treated water quality far exceeded national standards. Compared to a foreign brand of nanofiltration membrane used during the same period, the AMNF-8040 membrane demonstrated superior anti-fouling performance and exhibited good long-term stability. Therefore, the AMNF-8040 anti-fouling nanofiltration membrane shows broad prospects for application in the field of deep treatment of landfill leachate. |
基金项目: |
作者简介: |
陈伯志(1989-),男,江苏南京人,硕士,研究方向为高精度纳滤膜开发及应用, E-mail:chenbozhi@weihuamembrane.com |
参考文献: |
[1] 李汉龙. 把脉垃圾渗滤液处理行业发展新趋势 [J]. 环境, 2023 (4):56-58. [2] Teng C, Zhou K, Peng C, et al. Characterization and treatment of landfill leachate: A review [J]. Water Res 2021, 203: 117525. [3] Wijekoon P, Koliyabandara P A, Cooray A T, et al. Progress and prospects in mitigation of landfill leachate pollution: Risk, pollution potential, treatment and challenges [J]. J Hazard Mater 2022, 421:126627. [4] 邵永富, 包尤思. 垃圾渗滤液处理技术研究进展 [J]. 皮革制作与环保科技, 2022, 3 (3): 111-113. [5] 张文存, 张国辉, 王丽莉, 等. 垃圾渗滤液处理技术研究进展 [J]. 应用化工, 2022, 51 (4):1207-1211. [6] 王凯, 武道吉, 彭永臻, 等. 垃圾渗滤液处理工艺研究及应用现状浅析 [J]. 北京工业大学学报, 2018, 44 (1): 1-12. [7] 牛傲冰, 陈文艳, 耿庆芬, 等. 城镇生活垃圾填埋场渗滤液处理工艺组合实践研究进展 [J]. 山东化工, 2022, 51 (5):249-251. [8] 吕洪涛. 生活垃圾渗滤液处理技术研究进展 [J]. 新农业, 2022, 970 (13): 69-70. [9] Meet D, Dhruvin S, Harshul M, M A, S, et al. A review of the techniques for treating the landfill leachate [J]. Materials Today: Proceedings, 2023, 77 : 358-364. [10] 张猛. 垃圾渗滤液处理中反渗透膜污染分析 [J]. 清洗世界, 2023, 39 (6): 25-27. [11] 杨吉祥, 李保光, 张爱军, 等. 几种垃圾渗滤液深度处理工艺的比较[J]. 资源节约与环保, 2020 (7): 99-100. [12] 王俊萍. 我国垃圾渗滤液的处理方法现状 [J]. 辽宁化工,2022, 51 (11): 1580-1582. [13] Xiao H-F, Shao D-D, Wu Z-L, et al. Zero liquid discharge hybrid membrane process for separation and recovery of ions with equivalent and similar molecular weights [J]. Desalination 2020, 482:114387. [14] 丁科仁, 赵丽红, 郭佳艺 , 等. 基于界面聚合技术的复合纳滤膜改性研究进展 [J]. 水处理技术, 2023, 49 (6):27-32+38. [15] 王乾, 王广睿 , 赵寅, 等. 界面耦合法制备配位纳滤膜 [J]. 膜科学与技术, 2021, 41 (2): 1-8. [16] 周芸, 尹晓芳. 纳滤膜水处理技术在净水工艺中的应用[J]. 智能城市, 2023, 9 (2): 106-108. [17] 尹萌萌, 王禹翰, 张坤, 等. 基于两性离子的纳滤膜抗污染改性方法研究进展[J]. 工业水处理, 2023, 1-15. [18] 崔丽桃, 赵云 , 李海锋. 化工废水处理中反渗透膜污染的产生及清洗分析 [J]. 清洗世界, 2023, 39 (4): 22-24. [19] 宁桂兴, 张忻, 王凯 , 等. 纳滤膜在垃圾渗滤液深度处理中应用 [J]. 环境工程学报, 2013, 7 (4):1440-1444. [20] 余志波, 张凯钧 , 蒋浩. 生活垃圾渗滤液处理技术研究进展 [J]. 广东化工,2021, 48 (1):91-92. |
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