DuoSphere Double Membrane Gas Holder for Biogas Storage

Dual Membrane
Biogas Storage Solution

As energy costs grow, facilities are increasingly seeking alternative fuel sources, including biogas, to help offset power costs for their plants. WesTech has many years of experience in supplying customers with anaerobic digestion equipment that adds value to plant operations.

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By storing methane contained in the biogas, the DuoSphere™ allows a steady fuel source for a variety of functions.

• Process heating
• Sludge drying
• Cogeneration
• Facility heating
• Vehicles and equipment

The DuoSphere offers innovative designs for digester gas storage and alternatives for conventional digester covers. DuoSphere gas holder structures are strong, lightweight, and versatile – a preferable choice in biogas storage for your municipal or industrial applications.

Whether your application requires a slab-mounted gas holder or a tank-mounted alternative to steel digester covers, our DuoSphere dual membrane structures are standout solutions for biogas storage. The superior design features high-strength fabric and utilizes a radio frequency welding process for increased strength and safety.

Slab-Mounted DuoSphere Gas Holders – A Simple and Inexpensive Way to Add Gas Storage

• Mounts to flat concrete slab or short walls
• Gas chamber comes sealed from the factory
• Easy access to inspect inner membrane

Tank-Mounted DuoSphere Digester Cover – An Innovative and Cost-Effective Solution for New and Replacement Covers

Double Membrane Gas Holder is a storage tank used for biogas that is produced through the anaerobic digestion of organic materials such as wastewater, animal manure, or agricultural waste. It consists of two flexible membranes made of reinforced polymeric materials that are sealed to form two chambers, an inner membrane, and an outer membrane.

Double Membrane Gas Holder are known for their durability, longevity, and versatility. They can store biogas at low pressure, typically up to 20 millibars, which is suitable for most applications. Here are some benefits of choosing a DMGH:

• High storage capacity: DMGHs can store large volumes of biogas, making them suitable for various applications, such as energy generation, transportation, or feed-in to the gas grid.

• Flexible design: Our DMGHs can be customized to meet your specific size, shape, and capacity requirements. We also offer various accessories such as valves, pipelines, and safety features.

• Easy installation: Our DMGHs are delivered as prefabricated panels that can be easily assembled on-site. This saves time and money on installation costs.

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• Low maintenance: The flexible membrane on DMGHs requires minimal maintenance and cleaning, resulting in lower life-cycle costs.

• Environmentally friendly: DMGHs can help to reduce greenhouse gas emissions by capturing and utilizing biogas, which would otherwise be released into the atmosphere.

Ground-Mounted Double Membrane Gas Holders

Ground-mounted double membrane gas holders are installed directly on the concrete plinth or foundation without the need for a supporting structure or tank. 

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Tank-Mounted Double Membrane Gas Holders

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Tank-mounted double membrane gas holders are installed on top of a circular or rectangular-shaped tank structure. The tank provides the necessary support for the gas holder and also serves as the gas storage vessel. 

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