Biogas Compressor Solutions

Biogas

BAUER GRU

The BAUER GRU™ Biogas Recovery Compressor range has been specifically designed for methane recovery and conditioning in biogas applications. The function of the biogas recovery compressor is to elevate the pressure of the incoming biogas from 1-7 PSIG (typical) to 90 - 230 PSIG which is the operating pressure requirement for most PSA/Membrane type gas conditioning systems. BAUER offers a complete GRU™ system size range from 10 HP to 750 HP (7.5-560KW).

At the heart of every GRU™ vapor recovery system is the legendary BAUER Rotorcomp® rotary screw compressor which is world-renowned for exceptional durability and reliability. The GRU™’s sophisticated control system senses pressure upstream of the unit and automatically adjusts compressor speed to modulate compressor output based on the availability of methane gas from the source (landfill or digester). If there is an insufficient amount of gas available upstream for compression, the system automatically goes into standby mode for instantaneous compression capability when upstream gas pressure suddenly increases. This significantly reduces the occurrences of venting gas into the atmosphere because the compressor is ready to operate instantaneously vs. ramping up through normal start-up sequences after being completely shut down.

 

BAUER offers 8 different sizes and models of biogas recovery compressors ranging from 10 - 750 HP (7.5 - 560 kW). This allows BAUER to size the compressor system specific to the performance needs of each project

  • Inlet pressure range: 0.1 - 36 PSIG (0.007 - 2.5 BAR)
  • Horsepower range: 10 - 750 HP (7.5 - 560 kW)
  • Biogas Flow Rate: 15 - 2333 SCFM (24 to 3756 Nm3/h) 
  • Final Pressure: 90 - 230 PSIG (6.2 - 15.58 BAR)

 

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