Aqualimpia Engineering e.K. (AQL) is a German company active in the planning and construction of tailor-made biogas plants.


We are  working globally  in the biogas and wastewater sector. We are working on the design, planning, construction and  commissioning of  biogas plants and UASB reactors.


We also offer consulting services, prepare surveys, expert reports,  studies and plant optimization, inspect technical safety equipment and provide operator services and training courses.

  • Feasibility studies and detailed design.
  • Execution of "turnkey" projects.
  • Biogas plants - digesters.
  • Wastewater treatment plants.
  • Collection of biogas in landfills.
  • Leachate treatment plants.
  • Landfill designs, biogas collection.
  • Wastewater treatment plants based on UASB reactors. 
  • We rehabilitate, optimize and control the operation of digesters and wastewater treatment plants
  • Digestate treatment and  proccesing to  produce organic fertilizer.

We supply and install parts and components for digesters and treatment plants.

  • Blowers
  • Pressure control  valves
  • Stirrers - agitators
  • Pumps
  • Biogas and natural gas generators
  • Flares
  • Membranes
  • Biogas measurement, etc. 

We offer training courses for operators of biogas plants.