OPERATIONAL PROBLEMS OF CONSTRUCTED WETLAND FOR LANDFILL LEACHATE TREATMENT: CASE STUDY

被引：4
|
作者：
Obarska-Pempkowiak, Hanna [1 ]
Gajewska, Magdalena [1 ]
Wojciechowska, Ewa [1 ]
机构：
[1] Gdansk Univ Technol, Fac Civil & Environm Engn, G Narutowicza 11-12, PL-80952 Gdansk, Poland
来源：
JOURNAL OF ECOLOGICAL ENGINEERING | 2013年 / 14卷 / 03期
关键词：
treatment wetland; landfill leachate; clogging;
D O I：
10.5604/2081139X.1056043
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The present paper discusses the quality fluctuations of leachate from municipal land-fill in Gdansk (Poland) over the last 5 years and the evaluation of a wetland system designed for treatment of the leachate. The research has been conducted during a 5-year period. The constructed wetland for leachate treatment was built in 2001; it consists of 2 horizontal subsurface flow reed beds, working in parallel. In the period 2005-2006 it underwent modernization due to unsatisfactory treatment results caused by bed clogging. After the modernization the treatment effectiveness is satisfactory. The effluent from bed I met Polish outflow standards, while in the effluent from bed II COD, total N and TSS exceeded the required concentrations. In spite of this, pre-treatment of leachate (iron removal) should be quickly introduced to protect the system against the reoccurrence of clogging problems.
引用
收藏
页码：53 / 58
页数：6
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