Anaerobic Fermentation Double Membrane Gas Storage Cabinet

Membrane material

The fully imported biogas-specific membrane has flame retardant, antibacterial, and anti-UV properties, and meets the following standards: the sunlight fastness meets the DIN54004 level 7 standard, the flame retardant performance meets the DIN 4102 B1 design standard, and the thermal expansion and contraction resistance meets the DIN53361 standard. , the waterproofness complies with DIN 51635 standards, and the ductility meets DIN 53359 standards.


The outer membrane is coated with PVC/PVDF, which has high strength and high self-cleaning properties; the bottom membrane of the inner membrane has good air tightness and remains inert to the main components of biogas (CH4, H2S). The strength selection of the membrane material generally ranges from 4,000 N/5 cm to 9,000 N/5 cm. The strength of the membrane material can be calculated based on the wind and snow load.

The Anaerobic Fermentation Double Membrane Gas Storage Cabinet is a flexible biogas storage solution designed for anaerobic fermentation, anaerobic digestion, wastewater treatment, agricultural biogas projects, and organic waste treatment systems. It is used to temporarily store biogas generated during the anaerobic digestion process and provide a controlled gas supply for downstream applications such as biogas generators, boilers, heating systems, gas upgrading equipment, or other suitable gas utilization equipment.

Biogas production is naturally influenced by feedstock characteristics, organic loading, temperature, retention time, and operating conditions. Gas production may therefore fluctuate throughout the day or between different operating periods. A suitable gas storage system helps buffer these fluctuations and provides a more stable connection between biogas production and gas consumption.

The double membrane design consists of an inner gas storage membrane and an outer protective membrane. The inner membrane stores the generated biogas, while the outer membrane provides structural support and protection against environmental conditions. Depending on the project configuration, the system can be integrated with pressure control, safety devices, gas pipelines, monitoring equipment, and other auxiliary components.

Double Membrane Biogas Storage

The double membrane structure is one of the main features of this biogas storage system. The inner membrane provides the actual storage volume for the generated gas, while the outer membrane maintains the overall shape and protects the inner membrane from direct environmental exposure.

This configuration provides a flexible alternative to conventional rigid gas storage structures. The membrane system can accommodate changes in gas volume according to actual biogas production and consumption.

For anaerobic fermentation projects, this flexibility can be particularly useful because biogas generation and gas utilization are rarely perfectly synchronized.

Designed for Anaerobic Fermentation

Anaerobic fermentation produces biogas through the biological decomposition of organic materials in an oxygen-limited environment. Depending on the feedstock, the resulting biogas may contain methane, carbon dioxide, moisture, hydrogen sulfide, and other trace components.

The gas storage cabinet can be installed as part of an anaerobic digestion system to temporarily collect and store the generated biogas before further treatment or utilization.

Typical applications include livestock manure digestion, agricultural waste treatment, food processing waste, organic wastewater treatment, municipal organic waste projects, and other suitable anaerobic fermentation systems.

Flexible Biogas Storage Capacity

Gas storage capacity should be selected according to the expected biogas production rate, gas consumption pattern, peak gas demand, and overall system design.

A properly sized storage system can provide a buffer between gas production and gas utilization. For example, when the digester produces more biogas than the downstream equipment is consuming, excess gas can temporarily enter the storage membrane. When gas consumption increases, stored biogas can be supplied to the utilization system.

This buffering function can help improve the operational flexibility of the overall biogas plant.

Biogas Storage for Wastewater Treatment

Anaerobic wastewater treatment can generate biogas as organic matter is biologically converted. Wastewater treatment facilities may use the resulting biogas as an energy resource when appropriate treatment and gas conditioning systems are installed.

The double membrane gas storage cabinet can be integrated with anaerobic wastewater treatment systems to temporarily store biogas before it is sent to a generator, boiler, gas upgrading unit, or other compatible equipment.

The gas composition and treatment requirements should be evaluated according to the wastewater characteristics and intended gas utilization method.

Agricultural And Livestock Biogas Applications

Livestock farms and agricultural facilities can generate significant quantities of biogas from manure and other organic residues. Capturing this gas can help reduce uncontrolled methane emissions while creating an additional energy resource.

The gas storage system can be used together with anaerobic digesters, manure treatment equipment, biogas purification equipment, gas generators, and other supporting systems.

For farm-based projects, the storage capacity, membrane material, installation environment, gas pressure, and safety equipment should be selected according to the actual project conditions.

Gas Storage Before Biogas Utilization

Stored biogas may be used for different downstream applications depending on the gas quality and project design.

Potential applications include:

Biogas Power Generation
Boiler Fuel
Heating Systems
Combined Heat And Power Systems
Biogas Upgrading
Biomethane Production
Industrial Gas Utilization

Before utilization, biogas may require moisture removal, desulfurization, filtration, cooling, or other conditioning depending on the equipment receiving the gas.

Gas Pressure And Volume Management

Biogas storage systems require appropriate pressure management to ensure stable gas delivery. The actual operating pressure depends on the membrane design, gas utilization equipment, pressure control system, and project requirements.

The storage cabinet can be integrated with suitable pressure control and safety components to help maintain appropriate operating conditions.

The storage volume should not be considered independently from the entire anaerobic digestion system. Gas production, peak demand, storage duration, and downstream consumption should all be evaluated when selecting the appropriate configuration.

Weather-Resistant Membrane Structure

The outer membrane provides protection for the internal gas storage membrane and helps maintain the overall structure under outdoor installation conditions.

Membrane material selection should consider ultraviolet exposure, temperature variations, humidity, wind conditions, gas composition, and expected service environment.

For long-term outdoor projects, proper anchoring, foundation preparation, drainage, ventilation, inspection, and maintenance are important parts of reliable system operation.

Integrated Safety Design

Biogas is a combustible gas mixture and may contain hydrogen sulfide and other components requiring appropriate safety management. Therefore, gas storage equipment should be integrated with suitable safety and monitoring systems.

Depending on project requirements, the system may include pressure protection, gas monitoring, flame protection, overflow protection, emergency systems, ventilation, and other appropriate safety components.

Installation and operation should comply with applicable local regulations and project-specific safety requirements.

Easy Integration With Biogas Plants

The double membrane gas storage cabinet can be integrated into a complete anaerobic digestion or biogas treatment system. It can be connected to the digester gas outlet and downstream gas utilization equipment through an appropriately designed pipeline system.

The overall system may include anaerobic digesters, gas storage, desulfurization equipment, dehydration equipment, gas filtration, compressors, generators, boilers, or gas upgrading equipment.

This modular approach allows customers to configure the gas storage system according to the capacity and process requirements of the complete plant.

B2B Project-Based Configuration

Biogas projects vary significantly in feedstock, gas production, storage requirements, climate, installation area, and downstream utilization. Therefore, the gas storage cabinet should be selected according to actual project conditions rather than using a one-size-fits-all configuration.

Important technical information can include digester capacity, expected biogas production, gas composition, required storage volume, gas consumption, installation location, climate conditions, and downstream equipment.

Customers can provide project data, site information, drawings, or existing system specifications for technical evaluation and configuration recommendations.

Applications

The Anaerobic Fermentation Double Membrane Gas Storage Cabinet can be used for:

Anaerobic Digestion Plants
Agricultural Biogas Projects
Livestock Manure Treatment
Farm Biogas Systems
Food Waste Treatment
Organic Waste Treatment
Organic Wastewater Treatment
Municipal Organic Waste Projects
Industrial Wastewater Treatment
Biogas Power Generation
Biogas Heating Systems
Biogas Upgrading Projects
Key Features
Double Membrane Biogas Storage Design
Flexible Gas Storage Capacity
Suitable For Anaerobic Fermentation
Compatible With Anaerobic Digestion Systems
Suitable For Agricultural And Wastewater Projects
Outdoor Installation Capability
Flexible Gas Volume Management
Integrated Pressure And Safety Options
Suitable For Biogas Utilization Systems
Project-Based Storage Configuration
Factory-Direct B2B Technical Support
FAQs
1. What Is An Anaerobic Fermentation Double Membrane Gas Storage Cabinet?

It is a flexible gas storage system designed to temporarily store biogas generated by anaerobic fermentation or anaerobic digestion processes. It uses an inner gas storage membrane and an outer protective membrane.

2. What Is The Purpose Of Double Membranes?

The inner membrane stores the biogas, while the outer membrane provides structural support and environmental protection. The two-membrane structure allows flexible gas storage while maintaining the overall shape of the system.

3. What Gas Can Be Stored?

The system is primarily designed for biogas generated through anaerobic digestion. Biogas composition varies according to feedstock and process conditions, so membrane and system materials should be selected based on the actual gas composition.

4. Can It Be Used With Anaerobic Digesters?

Yes. The gas storage cabinet can be integrated with suitable anaerobic digesters and fermentation systems to temporarily store biogas before downstream utilization or treatment.

5. Can It Be Used On Livestock Farms?

Yes. It can be used in suitable agricultural and livestock biogas projects where manure and other organic materials are treated through anaerobic digestion.

6. Can It Be Used For Wastewater Treatment?

Yes. The system can be integrated with anaerobic wastewater treatment plants where biogas is generated and requires temporary storage before utilization or further treatment.

7. How Is The Required Storage Capacity Determined?

Storage capacity depends on biogas production, gas consumption, peak demand, desired storage duration, and overall plant operation. These parameters should be evaluated together when selecting the appropriate system size.

8. Does Biogas Need To Be Purified Before Storage?

The required treatment depends on the gas composition, membrane material, storage design, and downstream application. Moisture, hydrogen sulfide, and other components may require treatment according to the complete system design.

9. Can The System Be Installed Outdoors?

Yes. Double membrane gas storage systems are commonly designed for outdoor installation. Foundation, anchoring, drainage, weather conditions, membrane material, and safety requirements should be considered during project design.

10. What Information Is Needed For A Project Quotation?

Please provide digester capacity, estimated biogas production, required storage volume, gas composition if available, gas utilization method, installation location, climate conditions, and existing system information. Drawings or project specifications are also helpful for configuration.

Why Choose Us
Professional Biogas Storage Solutions

We provide gas storage equipment for anaerobic digestion, agricultural biogas, wastewater treatment, organic waste treatment, and biogas utilization projects.

Double Membrane Technology

The double membrane configuration provides a flexible approach to biogas storage while allowing the system to be integrated with suitable pressure control and safety equipment.

Project-Based Configuration

We evaluate gas production, storage volume, downstream consumption, installation conditions, and project requirements to help customers select a suitable gas storage configuration.

Complete Biogas System Integration

The gas storage cabinet can be designed as part of a broader biogas system involving anaerobic digesters, desulfurization, dehydration, filtration, generators, boilers, and gas upgrading equipment.

Technical Support

We support international project customers with technical communication, configuration evaluation, drawings, equipment coordination, documentation, packaging, and export support.

International Biogas Project Experience

Our equipment solutions are designed for international agricultural, wastewater, organic waste, and industrial biogas applications, with configuration based on actual site and process requirements.

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