Custom Covers Collect Biogas, Contain Odors

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Custom Covers Collect Biogas, Contain Odors
GTI covers are designed to operate in any climate, and they offer built-in systems for rainwater control.

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Geomembrane Technologies Inc. (GTI) provides innovative, patented fabric covers that collect valuable biogas from anaerobic digestion systems.

Custom-designed for tanks and lagoons of all sizes, GTI’s covers are gastight — containing odors and protecting biogas from contamination. In waste-to-energy projects, the collected gas is used as a renewable fuel to generate process heat or electricity, helping to offset energy costs.

GTI’s gas collection covers are designed to:

  • Lower operating costs
  • Collect biogas to be converted into green energy
  • Control odors
  • Provide thermal insulation
  • Allow access for sampling and maintenance

Built to withstand tough conditions, GTI’s covers are fabricated with strong, long-lasting materials to resist tears, punctures, chemicals and UV rays. The covers are designed to operate in any climate and offer built-in systems for rainwater control. Insulated versions provide additional buoyancy and help maintain consistent temperatures throughout the anaerobic process. Installation and maintenance can be done without disrupting plant operation.

The covers are safe to walk on, allowing operators to sample contents and perform maintenance. Hatches and ports can be provided for simple access to mixers and other equipment.

The gas collection cover is best operated by a GTI biogas control system that regulates the biogas flow from under the cover. Advanced controls can be incorporated for biogas storage to optimize utilization in engines or boilers.

About GTI
With more than 30 years of experience delivering solutions for demanding water and wastewater applications, GTI has grown to become a global leader in cover and liner systems. Our dedicated team has completed more than 250 installations in the industrial, municipal and agricultural sectors around the world.

For more information, please visit our website at or contact Darin Evans, vice president of product management at or 506/449.1377.


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