Hong-lay Chen.The Investigation of the Rainfall Effects on Leachate Flow,and Leachate Quality[J].Research of Soil and Water Conservation,1995,2(03):17-24.
渗出水流量、水质、雨量及其处理研究
- Title:
- The Investigation of the Rainfall Effects on Leachate Flow,and Leachate Quality
- 摘要:
- 本研究除对台湾中部地区各掩埋场渗出水质随掩埋龄的变化作一比较外，并以台中县大屯区垃圾卫生掩埋场为一典型渗出水处理场作为实场之研究。研究显示，渗出水水质受掩埋龄的影响几乎是以掩埋龄一年至一年半期间作为一个分界线，亦即当掩埋场之掩埋龄达一年至一年半以上时，各项水质均渐趋稳定状态。此外，从大屯场渗出水流量与雨量的关系显示：雨量愈大，渗出水量愈大，然C值随雨量增加而降低。由TOC与电导度的分析则可知降雨对渗出水质具有稀释的效果，但发现在连续下雨天之稀释斜率较非连续下雨天为小。在渗出水的处理方面发现，场内对BOD、COD、氨氮与TKN之去除主要是靠生物处理；而对SS、VSS与TP而言。则以化学混凝处理占优势。
- Abstract:
- The purpose of this study was to search for landfill age and rainfall effects on landfill leachate in Taiwan, as well as to carry on a site treatment study of a typical leachate treatment plant (Tatun).According to the results of analysis.a critical time, so called the leachate-mature-time, is much faster than the record, 10 to 20 years, in literatures.In addition, it is clearly shown that the leachate flow linearly increases with an increase of rainfall.i.e.the leaching coefficient C value decreases.The results of TOC and conductivity exhibit that different dilution slope exist between the continuous and continual raining days and the higher slope is observed at continual days.Finally, the typical treatment of leachate in Taiwan ineludes two parts, biological treatment and chemical aided precipitation system.The biological treatment processes are dominating for the removal efficiencies of BOD, COD, NH-N and TKN.How-ever, the main removals of SS, VSS and TP were obtained in the chemical pre-cipitation system.
参考文献/References:
[1] 高思怀, 周锦东.准好氧性卫生掩埋场垃圾渗出水水量模式之研究.土木水利工程学会第三届废弃物处理技术研讨会论文集, 1988 195~211.
[2] Mennerich, A. and H. Alber. Anaerobic pretreatment of high concentrated landfill leachate. Aquatech ’86 Water Treatment Conference, Proceeding. Amsterdam. 1986, 359~371.
[3] 谢锦松, 黄正义.固体废弃物处理.三版, 台北:淑馨出版社, 1991, 287~292.
[4] 高肇藩, 张祖恩, 高维德.改良式厌氧滤床法处理垃圾渗出水之研究.土木水利工程学会第十一届废水处理技术研讨会论文集, 1986.477~490
[5] Chian, E. S. K. and F. B. Dewall.Evaluation of leachate treatment. Vol. Ⅰ: Characterization of leachate.EPA 600/2-77-186a, Cincinnati, Ohio. 1977, 2~36.
[6] 高思怀, 张宝旗, 张芳椒.FENTON法对垃圾渗出水之处理程序探讨.环境工程学会第十六届废水处理技术研讨会论文集, 1991, 527~537
[7] Kennedy, K. J., M. F. Hamada and S. G. Guiot. An-aerobic treatment of leachate using fixed films and sludge bed System. J. WPCF. 1987, 60(9):1675
[8] Chian. E. S.K.and F. B. Dewalle. Sanitary landfill leachate and their treatment. J. EE2, ASCE. No. E4.1976.411~431
[9] 张祖恩, 高肇藩, 徐志豪.垃圾渗出水中有机物去除之研究.环境工程学会第十五届废水处理技术研讨会论文集, 1990, 125~138
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备注/Memo
收稿日期:1995-5-10。
作者简介:陈鸿烈，中兴大学水土保持系副教授。