• Compressed air in wastewater treatment plants              • Biogas production                     • Biogas production
• Digester gas compression                                                 • Filtering • Soil gas extraction    • Evacuation systems
• Drying systems                                                                  • Gas recirculationcleaning         • Further applications
• Suction vehicles for wastewater                                      • Fish and prawn pond aeration Landfill site
• Wastewater purification/oxygenation                                • Vacuum priming • Wastewater disposal
of activated sludge tanks