五年填埋龄准好氧和厌氧填埋体及陈垃圾的理化特性

应用生态学报 ›› 2010, Vol. 21 ›› Issue (3): 763-769.

五年填埋龄准好氧和厌氧填埋体及陈垃圾的理化特性

张维^1,2;岳波²;黄启飞²;黄泽春^2**;张增强¹;王琪²;林晔^2,3;王进安⁴

¹西北农林科技大学生命科学学院, 陕西杨凌 712100;²中国环境科学研究院固体废物污染控制技术研究所,北京 100012;³北京科技大学土木与环境工程学院,北京 100083;⁴北京市四清环卫工程集团有限责任公司, 北京 102211

出版日期:2010-03-20 发布日期:2010-03-20

Physical and chemical properties of land-filling pile and aged refuse in 5-year-old semi-aerobic and anaerobic landfills.

¹College of Life Sciences, Northwest A &F University, Yangling 712100, Shaanxi, China|²Chinese Research Academy of Environmental Sciences, Beijing 100012, China|³School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China|⁴Beijing Siqing Environmental Sanitation Engineering Group Limited Company, Beijing 102211, China

Online:2010-03-20 Published:2010-03-20

摘要/Abstract

摘要： 研究了5年填埋龄准好氧和厌氧填埋体的沉降量、温度和填埋气产生特性，并分析了填埋处理陈腐垃圾的理化性质.结果表明：5年填埋龄准好氧填埋体的表面沉降量和减容率均显著高于厌氧填埋体，同时渗滤液回灌比清水回灌更容易引起垃圾填埋体表面的不均匀沉降.厌氧填埋体的平均温度（25.6 ℃）略高于准好氧填埋体（24.8 ℃），但差异不显著.准好氧填埋体不同时期的O₂浓度分别高于厌氧填埋体，而CH₄浓度则显著低于厌氧填埋体.5年填埋龄准好氧和厌氧填埋体陈垃圾中厨余物和纸类等易降解有机物含量显著降低，塑料、玻璃、砖瓦和竹木等含量则升高.其中，陈垃圾中有机质与营养元素含量均高于典型南方土壤；除厌氧填埋体陈垃圾中Cr含量超标外，其余重金属含量均未超出《土壤环境质量标准（GB 15618—1995）》的三级标准要求.

关键词: 陈垃圾, 理化性质, 沉降量, 填埋温度, 填埋气

Abstract: This paper studied the surface settlement, temperature, and gas production of land-filling pile, and the physical and chemical properties of aged refuse in 5-year-old semi-aerobic and anaerobic landfills. The pile’s surface settlement and its volume reduction rate were significantly higher in semi-aerobic than in anaerobic landfill; and the treatment with leachate recycling brought larger uneven settlement than the treatment with water recycling. The temperature of anaerobic landfill pile (25.6 ℃) was slightly higher than that of semi-aerobic landfill file (24.8 ℃), but the difference was not significant. During land-filling period, the O₂ concentration in semi-aerobic landfill pile was significantly higher than that in anaerobic one, while the CH₄concentration was in reverse. After 5 years land-filling, the contents of easily degradable organic matters in aged refuse, such as kitchen refuses and papers, decreased dramatically, while the contents of plastics, glasses, bricks, and woods increased. In addition, the contents of organic matters and nutrients in aged refuse were higher than those in typical southern China soils, and the concentrations of heavy metals except chromium in anaerobic landfill aged refuse were not beyond the grade three of Environmental Quality Standards for Soils (GB 15618-1995).

Key words: aged-refuse, physical and chemical properties, settlement, land-filling temperature, landfill gas

张维;岳波;黄启飞;黄泽春;张增强;王琪;林晔;王进安. 五年填埋龄准好氧和厌氧填埋体及陈垃圾的理化特性[J]. 应用生态学报, 2010, 21(3): 763-769.

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