The contribution of thermophilic anaerobic digestion to the stable operation of wastewater sludge treatment

被引:35
|
作者
Zábranská, J [1 ]
Dohányos, M [1 ]
Jenícek, P [1 ]
Zaplatílková, P [1 ]
Kutil, J [1 ]
机构
[1] Inst Chem Technol, Dept Water Technol & Environm Engn, CZ-16628 Prague, Czech Republic
关键词
anaerobic thermophilic digestion; biogas production; foaming; mixing efficiency; odour of biogas; pathogens removal;
D O I
10.2166/wst.2002.0648
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Thermophilic anaerobic digestion of sewage sludge has been successfully operated in full-scale tanks almost three years. The higher loading capacity and specific biogas production rate in comparison with mesophilic digestion was proved. Thermophilic anaerobic sludge is also more resistant against foaming problems. Biogas from thermophilic tanks contains less hydrogen sulphide and other malodorous substances. Pathogens removal rate is apparently more efficient in the thermophilic process.
引用
收藏
页码:447 / 453
页数:7
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