Latest Projects
Improvement of Anaerobic Sludge Digestion
STP Sonderborg, Denmark (80,000 PE or 8.0 MGD)
Full-scale installation since January 2012
STP Danshui, Taiwan (110,000 PE or 11 MGD)
Full-scale test in preparation since December 2011
STP Tomelloso, Spain (200,000 PE or 20 MGD)
Full-scale installation since June 2011
- increase in VS destruction of 20%
STP St. Nazaire, France (200,000 PE or 20 MGD)
Full-scale installation since September 2011
STP Cherbourg, France (230,000 PE or 23.0 MGD)
Full-scale installation since June 2011
STP Jockgrim, Germany (21,000 PE or 2.1 MGD)
Preliminary full-scale test, 3 month, 2011
- increase in VS destruction of 20%
- increase in biogas production of 25%
- increase in dewaterability of the digested sludge of 7%
STP Schleswig, Germany (60,000 PE or 6.0 MGD)
Full-scale installation since March 2011
- increase in VS destruction of 25%
- increase in biogas production of 23%
STP Shanganagh, Ireland (186,000 PE or 18.6 MGD)
Full-scale installation since February 2011
STP Montornés, Spain (100,000 PE or 10.0 MGD)
Full-scale installation since August 2010
- increase in VS destruction of 20%
- increase in sludge reduction of 15%
- improve sludge dewatering of 12%
STP West Camden, Australia (230,000 PE or 23.0 MGD)
Full-scale test since July 2010
- increase in VS destruction of 20%
- increase in biogasproduction of 20%
STP Veitshöchheim, Germany (26,000 PE or 2.6 MGD)
Full-scale test, 4 month, 2010
- increase in VS destruction of 20%
Improvement of Anaerobic Sludge Digestion
STP Wuijang II, China (125,000 PE or 12.5 MGD)
Full-scale installation in October 2008
STP Wuijang I, China (50,000 PE or 5.0 MGD)
Full-scale installation since March 2007
- sonication of return sludge
- reduction of waste activated sludge production of 25%
STP Horsholm, Denmark (35,000 PE or 3.5 MGD)
Full-scale installation in March 2007
- sonication of return sludge
- reduction of waste activated sludge production of 15%
STP Skagen, Denmark (110,000 PE or 11.0 MGD)
Full-scale installation in March 2007
- sonication of return sludge
- reduction of waste activated sludge production of 20%
STP Pecs, Hungary (200,000 PE or 20.0 MGD)
Full-scale installation since March 2006
- sonication of return sludge
- reduction of waste activated sludge production of 25%
Combatting of bulking and foaming sludge
STP Schleswig, Germany (60,000 PE or 6.0 MGD)
Preliminary full-scale test, 3 months, 2010
- reduction in sludge volume index (SVI)
- no floating sludge in the aeration tank
STP Rendsburg, Germany (50,000 PE or 5.0 MGD)
Preliminary full-scale test, 4 months (2010) and 4 months (2011)
- reduction in sludge volume index (SVI)
Improvement of Digestion Process in Farmland Biogas Plants (FBP) and Food Waste Biogas Plant for Electrical Power Generation
FBP Hoheluft, Germany
Full-scale test since January 2012
FBP Bordesholmerland, Germany
1) Full-scale test, 5 month, 2011
2) Full-scale installation since September 2011
- saving substrate costs of 12%
- increase the methane concentration of 4%
- Reduction of electricity consuption of FBP
- Upgrade of the biogas plant with a second US-system in 2012
Food waste Biogas Plant Sibistin, Germany
Full-scale test, 6 month, 2011
- increase in VS destruction of 17%
FBP Ansbach, Germany
Full-scale installation since April 2010
- saving substrate costs of 15%
FBP Bispingen, Germany
Full-scale installation since 2008
- increase in biogas production of 12%
- upgrade of the biogas plant with a second US-system in May 2011
FBP Lindow, Germany
Full-scale installation since 2008
- increase in biogas production of 15%
- saving substrate cost of 13%
FBP Wesel, Germany
Full-scale installation since 2007
- increase in biogas production of 19%
- increase in power generation of 19%
(02/2012)





