Ozone treatment of wastewater sludge for reduction and stabilization

被引:10
|
作者
Park, K. Y. [1 ]
Maeng, S. K. [2 ]
Song, K. G. [2 ]
Ahn, K. H. [2 ]
机构
[1] Konkuk Univ, Dept Civil & Environm Syst Engn, Seoul 143701, South Korea
[2] Korea Inst Sci & Technol, Seoul, South Korea
关键词
ozonation; reduction; reuse; sludge; stabilization;
D O I
10.1080/10934520802293719
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Ozonation was applied to wastewater sludge for reduction and stabilization. Ozone was found to be very effective at reducing sludge and producing a useful carbon source. An ozone dose of 0.3 g/gDS fulfilled the criteria for the disinfection of class A type biosolids. The sludge treated with 0.5 gO(3)/gDS produced no hydrogen sulfide for a month at 29 degrees C. Ozonation resulted in low pH conditions, which might facilitate the mobilization of heavy metals from sludge. The results of a geotechnical investigation proved that the residuals of ozone-treated sludge did not meet the required properties required for landfill cover without the addition of quick lime.
引用
收藏
页码:1546 / 1550
页数:5
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