生活垃圾卫生填埋场膜浓缩液全量化处理技术试验研究  

Experimental Study on Fully Quantitative Treatment Technology of Membrane Concentrate in Domestic Waste Sanitary Landfill Site

作　　者：张效刚 王甲 万辉 张玉飞 黄燕冰 刘彬 ZHANG Xiaogang;WANG Jia;WAN Hui;ZHANG Yufei;HUANG Yanbing;LIU Bin(Guangzhou Environmental Service Co.Ltd.,Guangzhou Guangdong 510540;Tianjin JC Environmental Services Co.Ltd.,Tianjin 300202;Guangzhou Environmental Protection Investment Group Co.Ltd.,Guangzhou Guangdong 510180)

机构地区：[1]广州环投环境服务有限公司,广东广州510540 [2]天津建昌环保股份有限公司,天津300202 [3]广州环保投资集团有限公司,广东广州510180

出　　处：《环境卫生工程》2023年第4期95-100,共6页Environmental Sanitation Engineering

摘　　要：生活垃圾卫生填埋场渗滤液产生的膜浓缩液一直是行业技术难题,为探索稳定可靠的处理工艺,本试验以广州某典型生活垃圾卫生填埋场渗滤液浓缩液为研究对象,开展膜浓缩全量化处理技术试验研究。试验技术路线包括化学软化预处理、二效负压蒸发、离心分离、除臭等工艺单元。研究结果表明本浓缩液处理技术可实现在10倍浓缩倍数的情况下连续稳定运行,冷凝水深度处理后达标排放,盐泥固化后可达到填埋场填埋要求,臭气处理效果良好,同时蒸发装置的核心换热单元具有很好的抗结垢性能。The membrane concentrate produced from landfill leachate has always been a technical problem in the industry.In order to explore a stable and reliable treatment process.The concentrated leachate from a typical domestic waste landfill in Guangzhou was taken as the research object,and conducted an experimental study on the full quantitative treatment technology of membrane concentration.The main technical routes included chemical softening pretreatment,two-effect negative pressure evaporation,centrifugal separation,deodorization and other process units.The research results showed that this concentrated liquid treatment technology could achieve continuous and stable operation at a concentration multiple of 10 times.After treatment,the condensed water could meet the standard for discharge.After solidification,the salt mud could meet the landfill requirements.The odor treatment effect was good.At the same time,the coreheat exchanger of the evaporation device had good anti scaling performance.

关 键 词：垃圾渗滤液 膜浓缩液 负压蒸发 浓缩倍数 

分 类 号：X799.3[环境科学与工程—环境工程] X703