CHANGES OF THE QUALITY OF ACTIVATED SLUDGE DURING THE BIOLOGICAL TREATMENT OF LANDFILL LEACHATE

被引：7
|
作者：
Pieczykolan, Barbara [1 ]
Plonka, Izabela [1 ]
Kosel, Magdalena [1 ]
机构：
[1] Silesian Tech Univ, Fac Energy & Environm Engn, Ul Konarskiego 18A, PL-44100 Gliwice, Poland
来源：
ENVIRONMENT PROTECTION ENGINEERING | 2016年 / 42卷 / 03期
关键词：
PERFORMANCE;
D O I：
10.5277/epe160303
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effect of chemically pretreated landfill leachate on the properties of activated sludge has been investigated. The leachate was pretreated by a two-stage method consisting of coagulation and oxidation. The mixture of pretreated leachate (from 2.5 to 15 wt. %) and municipal wastewater was fed into a bioreactor. Results of the studies showed that the pretreated leachate contributed to the dispersion of the activated sludge flocs. As a result, a very low value of volume index (30 cm(3)/grs) and a significant turbidity of supernatant liquid were observed at the same time. The dispersion phenomenon was also confirmed by floc size distribution. An increase of the amount of small and very small flocs was observed.
引用
收藏
页码：33 / 42
页数：10
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