Biogas Digesters

Multiple solutions for Digester Systems
Greatario > Applications > Biogas Digesters
Biogas Tanks

Greatario builds the best storage tanks and designed specifically to perform in digester processes.

Anaerobic digesters are very difficult tank applications. Choosing the wrong tank and cover solution could not only jeopardize the performance of the biogas producing process, it can result in serious safety risks and premature failure of the system.

Choosing the right tank and cover is one of the most important decisions in front of a process developer or owner of a biogas production facility.

The right storage tank and the right coating technology that protects that tank is critical.

Using the right coating system in the product and vapor zones should be your first concern. Greatario provides all coating technologies including glass-fused-to-steel, factory epoxy coating and other alloys such as stainless and carbon steel.

Choosing the right cover solution is the next important task in assembling the best tank and cover for your digester. Pressure, vacuum, roof load and the stresses from other equipment such as rotary mixers are important design considerations in your cover choice. Greatario offers all the different cover options so that you have the design flexibility to apply the right cover for your process.

Cover types include Externally Supported Roof, Knuckle Roof, Dual Membrane Roof & Geoframe Supported Membrane Covers.


The modular design of factory coated, bolted tanks and digesters, allows for installation in some of the most unlikely places with minimal disruption to your facility and operations.

Digestate can be difficult to store due to the corrosive nature of the materials. Greatario provides guidance on choosing the right tank — whether its glass-fused-to-steel or epoxy — to deliver your high quality product with the lowest maintenance costs and longest tank life.


GREATARIO’S Bioenergy Storage Solutions include the industry’s best cover options for biomass, biogas and digester tank applications. We can provide the appropriate design to address key factors including corrosiveness, mixer loads, pressure, vacuums or other ancillary equipment loads.

Roof Options for BioEnergy:

• Aluminum Dome
• Dual Membrane Roof
• Externally Supported Roof (ESR)
• Knuckle Roof

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