生活垃圾转运站厨余垃圾渗滤液处理工程实践

厨余垃圾堆肥处理厨余垃圾 #生活技巧# #节省生活成本# #生活垃圾分类指南# #旧物改造教程#

[1]李捷,袁玮良,徐骄阳,等.生活垃圾转运站厨余垃圾渗滤液处理工程实践[J].中国给水排水,2024,40(8):125-129.
　LI Jie,YUANWei-liang,XUJiao-yang,et al.Engineering Practice of Kitchen Waste Leachate Treatment in a Domestic Waste Transfer Station[J].China Water & Wastewater,2024,40(8):125-129.

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生活垃圾转运站厨余垃圾渗滤液处理工程实践

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第40卷 期数: 2024年第8期 页码: 125-129 栏目: 出版日期: 2024-04-17

Title: Engineering Practice of Kitchen Waste Leachate Treatment in a Domestic Waste Transfer Station 作者: （1.南京环境集团有限公司，江苏 南京 210000；2.中国市政工程华北设计研究总院有限公司 江苏分公司，江苏 南京 210000） Author(s): LI Jie1， YUAN　Wei-liang2， XU　Jiao-yang2， MA　Xiang2， WU　Xiao2， XU　Dong-xi2 （1. Nanjing Environment Group Co. Ltd.， Nanjing 210000， China； 2. Jiangsu Branch， North China Municipal Engineering Design & Research Institute Co. Ltd.， Nanjing 210000， China） 关键词: 生活垃圾转运站;  厨余垃圾渗滤液;  厌氧反应器;  MBR工艺;  臭氧催化氧化;  管式超滤膜 Keywords: domestic waste transfer station;  kitchen waste leachate;  anaerobic reactor;  MBR process;  ozone catalytic oxidation;  tubular ultrafiltration membrane 摘要: 以南京市某生活垃圾转运站的厨余垃圾渗滤液处理为例，介绍了预处理+厌氧+MBR（两级A/O+超滤）+臭氧催化氧化处理工艺在厨余垃圾渗滤液处理中的应用情况。预处理阶段采用叠螺脱水机、隔油池及气浮装置去除渗滤液中大量的悬浮物及油脂等物质，再通过厌氧反应器降低渗滤液中的有机物浓度，厌氧出水进入MBR系统进一步去除有机物、氮、磷等污染物；深度处理段采用臭氧催化氧化作为保障措施。该项目预处理段对悬浮物、动植物油、TP的去除率分别为92.4%、88.1%、87.9%，生化处理段对COD、NH3-N、TN的去除率分别为99.0%、97.5%、93.4%，主要出水指标可达到《污水排入城镇下水道水质标准》（GB/T 31962—2015）中的B级限值规定。 Abstract: Taking the kitchen waste treatment in a domestic waste transfer station in Nanjing as an example, the application of a combined treatment process including pre?treatment, anaerobic, MBR (two-stage A/O and MBR) and ozone catalytic oxidation is introduced. In the pre-treatment stage, a stack dehydrator, an oil trap and an air flotation device are used to remove large amounts of SS and grease in the leachate. The anaerobic process is used to remove organic content in leachate, and then the anaerobic effluent entered MBR to further remove the pollutants such as organic matter, nitrogen and phosphorus. Finally, ozone catalytic oxidation is used as a safeguard measure in the advanced treatment process. In this project, the removal rates of suspended solids, animal and vegetable oil, and TP in pre-treatment stage are 92.4%, 88.1% and 87.9%, respectively. The removal rates of COD, NH3-N and TN in biochemical treatment section are 99.0%, 97.5% and 93.4%, respectively. The effluent quality could meet the standard of level B of Wastewater Quality Standards for Discharge to Municipal Sewers (GB/T 31962-2015)．

更新日期/Last Update: 2024-04-17

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