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

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 fo...

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Bibliographic Details
Published in:Water science and technology 2002-01, Vol.46 (4-5), p.447-453
Main Authors: ZABRANSKA, J, DOHANYOS, M, JENICEK, P, ZAPLATFLIKOVA, P, KUTLL, J
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Anaerobic digestion
Anaerobic treatment
Applied sciences
Bacteria - isolation & purification
Bacteria, Anaerobic - physiology
Bearing strength
Biogas
Biological and medical sciences
Biological treatment of sewage sludges and wastes
Biotechnology
Capacity
Digestion
Environment and pollution
Exact sciences and technology
Foaming
Fundamental and applied biological sciences. Psychology
Gases
Hydrogen sulfide
Hydrogen Sulfide - analysis
Hydrogen sulphide
Industrial applications and implications. Economical aspects
Odorants
Off odor
Other industrial wastes. Sewage sludge
Pathogens
Pollution
Removal
Sewage
Sewage - chemistry
Sewage - microbiology
Sewage sludge
Sewage tanks
Sludge
Sludge digestion
Sludge treatment
Sulphides
Tanks
Temperature
Viruses - isolation & purification
Waste Disposal, Fluid - methods
Wastes
Wastewater
Wastewater treatment
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Description
Summary: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.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2002.0648