Double Membrane Biogas Holder for Anaerobic Biogas Digesters Tanks: Provides Flexible, Integrated Gas Storage Directly Above the Anaerobic Process

Double Membrane Biogas Holder for Anaerobic Biogas Digesters Tanks: Provides Flexible, Integrated Gas Storage Directly Above the Anaerobic Process

The core of any waste-to-energy facility is the Anaerobic Biogas Digester Tank, where organic feedstock is broken down into stabilized effluent and a valuable co-product: biogas. The efficiency of the entire plant relies on the ability to capture and manage this gas effectively. Since the anaerobic process produces gas at a low, variable pressure, the storage solution must be highly flexible, durable, and capable of being integrated directly above the anaerobic process to maximize capture and minimize piping runs and pressure loss.

The Double Membrane Biogas Holder is the industry-leading solution designed for this purpose. It provides flexible, integrated gas storage directly above the anaerobic process. By replacing a rigid roof, this holder serves as a dynamic, hermetic seal and a low-pressure reservoir. This integrated design ensures every cubic meter of gas is captured instantly, the tank pressure is safely regulated, and a stable gas supply is maintained for downstream energy utilization, which is crucial for the economic viability of the plant.

Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel), a global leader in advanced containment solutions, specializes in engineering high-performance storage systems. Our Double Membrane Biogas Holders are state-of-the-art gas holders designed to integrate seamlessly with various anaerobic biogas digester tanks, offering superior containment, pressure regulation, and long-term durability.

Product Advantages of Integrated Storage

Center Enamel’s Double Membrane Biogas Holders are meticulously engineered to maximize the efficiency, safety, and operational control of anaerobic biogas digesters. The flexible dome design provides distinct advantages for integrated gas management.

Direct and Integrated Gas Capture

The most significant benefit is the system's ability to act as the integrated flexible roof of the digester tank, ensuring direct and maximum gas capture efficiency. By collecting the gas immediately as it rises from the anaerobic slurry, the system minimizes gas transfer distances and pressure drops, maximizing the energy content of the recovered fuel. This direct integration also provides a crucial hermetic seal, preventing the escape of valuable biogas and odors.

Flexible Volume and Pressure Regulation

Biogas production rates from the anaerobic process are rarely constant. The balloon's core function is to provide dynamic pressure and volume regulation. The volume of the inner membrane dynamically expands and contracts to accommodate the natural volume fluctuations. This capability acts as a perfect buffer, regulating the head pressure on the digester contents, preventing stress on the tank structure, and ensuring a smooth, stable flow of gas to downstream equipment.

Superior Durability and Safety Features

The double-membrane architecture ensures exceptional structural resilience. The outer membrane is inflated with air to form a structurally rigid, protective dome that shields the inner gas-holding membrane from external environmental stresses, including high winds, heavy precipitation, and ultraviolet (UV) radiation. Furthermore, operating at a naturally low pressure, the system is inherently safe, minimizing the risks associated with storing flammable gas in an integrated system, leading to low maintenance requirements and a long operational lifespan.

Company Advantages

Center Enamel’s standing as a premier global supplier is built on our deep technical expertise and commitment to quality. As a pioneering manufacturer of Glass-Fused-to-Steel (GFS) tanks in China, our company possesses decades of proven history in high-performance containment solutions. Our advanced production capabilities are backed by more than 20 patents in enameling technology and a dedicated research and development team focused on innovation.

Our dedication to quality is demonstrated through our strict adherence to international standards. Our products and processes conform to the most demanding international benchmarks, including standards for quality management, drinking water safety, and occupational health. These certifications provide an independent and verifiable guarantee of quality, safety, and compliance with the most stringent regulations, which is critical for successful operation in international markets. This commitment, combined with our proven global track record of successful projects in over 100 countries, makes us a reliable and expert partner for any anaerobic biogas project.

Product Application Areas

Center Enamel's Double Membrane Biogas Holders are essential components across all sectors utilizing anaerobic digestion technology:

Anaerobic Biogas Digesters Tanks (Integrated Domes): Used for instantaneous capture and buffering of biogas generated from manure, slurry, municipal sludge, or industrial organic waste.

Agricultural and Livestock Wastewater Treatment: Essential for farms processing manure and agricultural residues, enabling on-site energy generation.

Industrial Wastewater and Food Waste Treatment: Capturing and storing biogas generated from high-strength organic effluent to offset high energy consumption.

Biomethane and Compressed Biogas (CBG) Plants: Providing the essential intermediary buffer storage before high-pressure purification and compression.

Global Reach and Proven Excellence: Project Cases

Our extensive portfolio of successful containment projects showcases our capability to engineer robust, sealed, and durable solutions—expertise directly applied to our high-performance biogas holders. The following non-fictitious cases demonstrate our global reach and technical excellence:

Shandong Heze Biogas Project: We supplied 2 tanks with a total capacity of 15,266 cubic meters for a major biogas project in Shandong, China, showcasing our capability in large-scale energy recovery infrastructure.

Zhejiang Wenling Food Waste Treatment Project: We provided 1 tank with a total capacity of 329 cubic meters for a food waste treatment facility in Zhejiang, China, highlighting our role in sustainable waste-to-energy solutions crucial for biogas production.

Muyuan Group Guangdong Leizhou Eleven Farms Livestock Wastewater Project: For a major agricultural client, we supplied 2 tanks with a total capacity of 2,800 cubic meters for a livestock wastewater project, demonstrating our expertise in large-volume, sealed agricultural containment critical for biogas management.

Conclusion

For Anaerobic Biogas Digester Tanks, the Double Membrane Biogas Holder is the optimal, most functional solution. By providing flexible, integrated gas storage directly above the anaerobic process, it ensures the complete capture and effective pressure regulation of the methane-rich fuel. Our systems empower AD operators to maximize gas output, ensure stable energy utilization, and drive their facilities toward greater sustainability and profitability with a reliable, integrated solution.