Double Membrane Biogas Holder for Biogas Tanks: The Industry Standard for Flexible, Reliable, and Low-Pressure Gas Reserve

Double Membrane Biogas Holder for Biogas Tanks: The Industry Standard for Flexible, Reliable, and Low-Pressure Gas Reserve

The Biogas Tank is the core storage vessel within any anaerobic digestion (AD) facility, holding the valuable gas product before it is purified or converted into energy. The integrity and functionality of this storage are paramount to the plant's overall success. Since biogas is produced at a low, variable pressure and the tank must manage these fluctuations safely and efficiently, the storage solution must be flexible, durable, and highly reliable. Traditional rigid gas holders are often cumbersome and expensive, leading the industry to seek a more modern, integrated, and cost-effective approach.

The Double Membrane Biogas Holder is recognized globally as the industry standard for flexible, reliable, and low-pressure gas reserve. By being installed directly onto the biogas tank, it forms an integrated, air-supported dome that serves a dual purpose: it provides a hermetic seal against the atmosphere and acts as a dynamic reservoir. This system ensures every cubic meter of gas is captured, pressure fluctuations are safely managed, and a stable, low-pressure supply is maintained for downstream utilization equipment.

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 biogas tanks, offering superior containment, pressure regulation, and long-term durability.

Product Advantages: Setting the Industry Standard

Center Enamel’s Double Membrane Biogas Holders are meticulously engineered to maximize the efficiency, safety, and operational control of biogas tanks, providing solutions that define the industry standard.

Flexible and Dynamic Gas Reserve

The balloon's core function is to provide flexible and dynamic gas reserve capacity. Its specialized membrane allows it to dynamically expand and contract, effortlessly accommodating the natural volume fluctuations in biogas production. This dynamic buffering is essential for regulating the low pressure of the gas, preventing system instability, and ensuring a smooth, constant flow to utilization equipment like generators or upgrading units. This reliability is why the system has become the industry benchmark.

Superior Durability and Weather Protection

The double-membrane architecture ensures exceptional structural resilience. The outer membrane is inflated with air to form a structurally rigid, protective dome. This outer shell shields the inner gas-holding membrane from external environmental stresses, including high winds, heavy snow loads, and ultraviolet (UV) radiation. This robust, durable design minimizes wear and tear, leading to low maintenance requirements and a long operational lifespan, which is critical for continuous plant operation.

Inherent Safety and Cost-Effectiveness

Operating at a naturally low pressure, the system is inherently safe, minimizing the risks associated with storing flammable gas within an integrated system. Furthermore, the modular, lightweight nature of the biogas holder ensures simplified, rapid installation compared to building large, rigid gas holders. This reduction in civil engineering requirements makes the double membrane system a highly cost-effective solution, contributing to faster return on investment for AD projects.

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 biogas tank project.

Product Application Areas

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

Biogas Tanks (Storage and Buffer): Serving as the core storage and buffer capacity for raw or pre-upgraded gas in centralized and decentralized plants.

Agricultural and Livestock Wastewater Treatment: Essential for farms processing manure and agricultural residues, enabling stable 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.

Guizhou Guiyang Food Waste Treatment Project: We provided 1 tank with a total capacity of 2,066 cubic meters for a food waste treatment facility in Guizhou, China, highlighting our role in sustainable waste-to-energy solutions.

Muyuan Group Suining 4th Farm Livestock Wastewater Project: For a major agricultural client, we supplied 2 tanks with a total capacity of 17,962 cubic meters for a livestock wastewater project, demonstrating our expertise in large-volume, sealed agricultural containment critical for biogas management.

Conclusion

For Biogas Tanks, the Double Membrane Biogas Holder is the definitive solution for gas management. By providing a flexible, durable, and low-pressure integrated reservoir, it has become the industry standard for ensuring 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.