西南交通大学学报 2012, 47(3) 533-537 DOI:   10.3969/j.issn.0258-2724.2012.03.028  ISSN: 0258-2724 CN: 51-1277/U

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本文关键词相关文章
生物强化技术
复合菌系
垃圾填埋场
稳定化
渗滤液
本文作者相关文章
邱忠平
PubMed
Article by Qiu,Z.B

生物强化技术加速填埋场稳定化进程实验研究

邱忠平

西南交通大学生命科学与工程学院, 四川 成都 610031

摘要

为解决传统填埋场中垃圾降解缓慢、稳定化时间长、运行管理复杂等问题,提出利用生物强化技术加速填埋场稳定化的新工艺.采用室内模拟实验方法,在填埋场中引入复合菌系,研究了复合菌系对填埋垃圾稳定化的影响.结果表明:复合菌系可加速有机垃圾的生物降解,使填埋体系的温度在填埋前中期升高0.8~5.0 ℃,填埋场pH值快速升高至8.0以上,比对照组提前208 d进入稳定运行阶段;复合菌系使渗滤液化学需氧量下降更加明显, 505 d以后基本维持在3 000 mg/L左右;氨氮消减更加快速, 463 d后一直低于对照组, 700 d后下降至25 mg/L以下,达到国家标准(GB 16889—2008)规定的氮排放标准;复合菌系提高了垃圾体的沉降性能,使填埋前、中、后期的沉降率分别较对照组增加27.39%、19.23%和14.81%.

关键词 生物强化技术   复合菌系   垃圾填埋场   稳定化   渗滤液  

Exprimental Study on Acceleration of Landfill Stabilization Process Using Bioaugmentation Technology

QIU Zhongping

School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China

Abstract:

In order to overcome the drawbacks of traditional methods in landfill treatment, such as slow degradation of organic waste, long-lasting stabilization, and complicated operation and management, a new bioaugmentation technology was proposed to accelerate the stabilization of landfill processing. Through indoor simulation experiments, a composite microbial system was introduced, and its influences on the landfill waste stabilization of bioreactor landfill was studied. The results show that the multifunctional microbe community accelerated the biodegradation of organic waste: A landfill temperature rise of 0.8-5.0 ℃ was observed in the landfill during the early and mid stages, and the pH value in landfill increased rapidly over 8.0 and became stable 208 days earlier than the control. Moreover, compared with the control group, the composite microbial system in the experimental group reduced the COD (chemical oxygen demand) concentration of leachate more obviously, which remained at about 3 000 mg/L after 505 days of anaerobic landfilling. The concentration of ammonia nitrogen decreased more rapidly, keeping lower than the control after 463 days, and reaching the level below 25 mg/L after 700 days, which meet discharge requirements of ammonia nitrogen in leachate specified by the National Standard for Pollution Control on the Landfill Site of Municipal Solid Waste (GB 16889—2008). The composite microbial system also increased the deposition capability as much as by 27.39%, 19.23% and 14.81% when compared with the control group at the early, mid, and end stages of landfill processing, respectively.

Keywords: bioaugmentation technology   composite microbial system   waste landfill   landfill stabilization   leachate  
收稿日期 2011-09-08 修回日期  网络版发布日期 2012-05-29 
DOI: 10.3969/j.issn.0258-2724.2012.03.028
基金项目:

中央高校基本科研业务费专项资金科技创新项目(SWJTU12CX052);四川省科技支撑计划资助项目(2011SZ0229)

通讯作者:
作者简介: 邱忠平(1967-),女,副教授,研究方向为固体废弃物处理与资源化,电话: 028-87600921, E-mail: zhpqiu@sina.com

参考文献:

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