PHYSICAL-CHEMICAL TREATMENT OF LEACHATE FROM LANDFILL

被引:14
|
作者
LOIZIDOU, M
VITHOULKAS, N
KAPETANIOS, E
机构
关键词
LEACHATE TREATMENT; LEACHATE CHEMICAL PRECIPITATION; LEACHATE CHARACTERISTICS;
D O I
10.1080/10934529209375780
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The results of a bench scale chemical-physical treatment of sanitary leachate are reported. The use of lime in combination with ferrous sulphate and polyelectrolyte gave a 39% COD removal. The initial concentrations are in the range of 4000 -8500 mgl-1 and the BOD/COD ratio 0.10-0.2, indicating the non -biodegradability of the organic compounds present. By using alum with polyelectrolyte, a lower removal was achieved compared with that of a lime system, but still quite high being in the range of 31%. The organics removed from the leachate are of the highest reported in literature indicating the effectiveness of the chemical treatment.
引用
收藏
页码:1059 / 1073
页数:15
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