Biogas Upgrading Solutions 

With 75 years of experience in CO2 equipment and recovery systems, Pentair helps waste processors, water treatment plants, landfills, food processing companies and farmers to lower their carbon footprint and re-use natural resources while building sound and sustainable practices. 

We are there for you for the complete life cycle of your system, from design to commissioning to operation and maintenance, with global service hubs and dedicated technical support. 

Pentair Biogas Upgrading Solutions

  • Pentair BioCompact: the biogas upgrading system for smaller capacities. (75/125/250/350/500/750 m3/h).
  • Pentair BioBasic: The biogas upgrading system with a capacity of > 1000 m3/h unlocks a renewable energy source: biomethane. 
  • Pentair BioPlus: The advanced biogas upgrading system with a capacity of > 1000 m3/h helps unlock two additional revenue streams: biomethane for gas grid injection or as transport fuel bio-CNG and bio-LNG.
  • Pentair BioComplete: The comprehensive biogas upgrading system with a capacity of> 1000 m3/h unlocks two additional revenue streams: biomethane and bio-CO2.
  •  BioAmine - A cost-efficient solution for capacities from 3000 - 6000 m3/h and beyond. 

OPTIONAL BOLT-ON: 

QUALITY CONTROL

Overcome volatility 

Conquer energy market volatility by reducing reliance on fossil based fuels with renewable fuel, biomethane. 

New revenue streams  

Sell biomethane to the national grid, use bio-CNG or bio-LNG as a transport fuel and use bio-CO2 for industrial applications such as fresh product packaging. 

Decarbonize operations 

If you have an emissions target to reach, talk to Pentair. Become a circular business through biogas upgrading. 

How does it work?

The heart of the system is the membrane separation unit. The membrane separates the two major gas components: CH4 and CO2. The separation is accomplished through the pressure difference over the membrane surface.

The high-pressure biogas is fed into the membrane, and the CO2 passes through the membrane surface to the permeate, the low-pressure side, much faster than CH4.


The membranes are pressure-driven, so the higher the pressure, the more CO2 will pass through the membrane surface. The discharge from the membrane (the retentate) contains mainly CH4, as the CO2 has been pushed through the membrane surface. The CO2 rich gas will leave the membrane on the low-pressure side of the membrane (permeate).


Our technology partners

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Biogas Upgrading Solutions Brochure
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Biogas Upgrading Plant - BioCompact | Pentair - product leaflet
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We proudly collaborate with partners to help us achieve end-to-end solutions for our customers. Through this collaboration, we convert a renewable energy source, biomethane, into useful: gas to grid, bio-LNG, bio-CNG, and bio-CO2.