Compact biogas plant

Complete biogas plant in modular and compact design

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Overflow of digestate

For reliable substrate extraction (with immersion), clogging-proof thanks to integrated flushing system, and completely maintenance-free.

Agitator

For stirring, uniform distribution, and efficient digestion – even with challenging substrates. Equipped with a lowering device, easy to operate (no entry into the digester required), and exceptionally powerful.

Integrated heating system

The integrated heating system ensures consistent temperature control inside the fermenter, providing stable and efficient digestion. Designed for durability, it operates smoothly and with minimal maintenance – delivering maximum reliability and efficiency.

Integrated double-membrane gas storage

The flexible membrane design ensures reliable low-pressure gas storage, balances production fluctuations, and guarantees a constant supply. Robust, weather-resistant, and low-maintenance.

Insulated PEHD fermenter tank

The double-walled high-density polyethylene (PEHD) tank with integrated insulation ensures constant fermentation temperatures and maximum energy efficiency. Corrosion-free, robust, and low-maintenance – ideal for long-term use in agricultural and industrial applications.

Compact technical room with substrate feeding

The fully pre-installed container-based technical room houses all key components required for operating the biogas plant. Featuring an integrated substrate feeding system for reliable and consistent fermenter supply. Compact, well-structured, and easily accessible for operation and maintenance – all in one place, delivered turnkey.

Your perfect solution – tailored, efficient, sustainable.

FlexBio’s next-generation biogas plants – tailored to the needs of industrial and agricultural applications.

The FlexBio Compact Biogas Plant delivers maximum efficiency in converting organic materials into renewable energy. It is specifically designed for the digestion of both solid and liquid substrates from agricultural and industrial sources – such as manure, slurry, organic waste, expired food products, or production residues.

With state-of-the-art technology, the system achieves a high methane yield while keeping energy consumption low.

Its compact, modular container design ensures fast installation, scalable capacity, and reliable continuous operation. This way, organic residues are transformed into valuable biogas – a sustainable energy source for on-site use or grid injection.

Module Overview

Module Type

Reactor Volume (m³)

oDM Load1 (kg/d)

Gas Production2 (m³/h)

Integrated Gas Storage

Transport Dimensions3 (m)

BG-100.HC

55

180

4.5

🔴

L 12.5 x W 2.5 x H 3.2

BG-120.SD

120

360

9

🔴

L 15.5 x W 3.0 x H 3.5

BG-120.SG

120

360

9

🔵

L 15.5 x W 3.0 x H 3.5

BG-200.SD

200

600

15

🔴

L 22 x W 3.0 x H 3,5

BG-200.SG

200

600

15

🔵

L 22 x W 3.0 x H 3.5

Note: The performance data presented are provided solely for illustrative purposes. 1The actual plant efficiency and processing capacities may vary significantly depending on industry sector, operation, and substrate composition. 2Potential gas production values are based on biowaste with a methane content of 60%. 3The specified module dimensions refer to the digester unit without the technical room. All modules are designed on a modular basis and can be combined as required into high-performance plant configurations.

Modular Biogas Plant for Manure

Our Impact in Numbers

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Delivered Projects

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Ongoing Projects

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Energy Generated (TWh)

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Feedback

Urs Imlig

Appenzeller Milchspezialitäten AG

“The wastewater volumes kept increasing. FlexBio was able to provide us with a mobile pilot plant. After successful testing, the plant was quickly installed thanks to its modular design. And everything has been working very well and smoothly together.”

Alfred Oberlindober

CEO & Owner of the Private Brewery Schönram

“We are direct dischargers and, due to growth and the resulting increase in wastewater volumes, we reached the capacity limits of our existing treatment plant. In our search for a solution, we found FlexBio Technologie GmbH to be a competent partner. The cooperation has proven to be highly profitable. We particularly value the modular and flexible design, which can be expanded at any time.”

Josef Blüml

Halsbacher Qualitätsfleisch GmbH

“The compact container solution with drum screen, anaerobic stage, and MBR provides complete wastewater treatment. We are particularly pleased that we can reuse the treated water – this saves operating costs and is a real advantage for our environmental and sustainability goals.”

Ludger Seggering

Popp Feinkost GmbH

“Wastewater is full of energy. We were looking for a solution and found it with FlexBio – generating biogas from wastewater. We are satisfied with the installation of the plant. We are satisfied with the service. And we are satisfied with the results.”

Andreas Mehli

GRegio Energie AG

“FlexBio makes slurry valuable again! With the new farm biogas plant, FlexBio transforms slurry and organic waste into clean energy and high-quality natural fertilizer. In this way, sustainability becomes a real opportunity for agriculture – and the vision of paying for the tractor with slurry comes within reach.”

Do you have any questions?