Microbiological removal of hydrogen sulfide from biogas by means of a separate biofilter system: experience with technical operation.
The "BIO-Sulfex" biofilter of ATZ-EVUS removes hydrogen sulfide from biogas in a biological way. Hydrogen sulfide causes massive problems during power generation from biogas in a power plant, e.g. corrosion of engines and heat exchangers, and thus causes frequent and therefore expensive engine oil changes. The BIO-Sulfex module is placed between the digester and the power-plant and warrants a cost-effective, reliable and fully biological desulfurization. In the cleaned gas concentrations of less than 100 ppm can be achieved. Power-plant manufacturers usually demand less than 500 or less than 200 ppm. At present, several plants with biogas flow rates between 20 and 350 m3/h are in operation.
Schieder
D
D
ATZ-EVUS, Kropfersrichter Str. 6-8, D-92237 Sulzbach-Rosenberg, Germany. dschieder@atz-evus.de
Quicker
P
P
Schneider
R
R
Winter
H
H
Prechtl
S
S
Faulstich
M
M
D000397:Air Pollution / Q000517:prevention & control*; D001421:Bacteria, Anaerobic; D001673:Biodegradation, Environmental; D019149:Bioreactors; D004867:Equipment Design; D005374:Filtration; D006862:Hydrogen Sulfide / Q000302:isolation & purification* / Q000378:metabolism*
D006862:Hydrogen Sulfide