SciTransfer
Alvus · Project

Low-cost eco-friendly digesters for biomethane production using stabilized earth

energyIdeaTRL 2

Imagine building a giant fermentation tank for energy, but instead of using expensive concrete or steel, you use reinforced soil. It's like building a sturdy garden wall on a massive scale to hold organic waste. This makes the process much cheaper and blends the plant right into the countryside.

By the numbers
55%
CAPEX savings compared to traditional concrete digesters
85%
Lower CO2 emissions
The business problem

What needed solving

Traditional biogas digesters made of steel or concrete are too expensive and have a high carbon footprint, making them less viable as EU incentives decrease.

The solution

What was built

No concrete deliverables were produced under this grant due to early termination.

Audience

Who needs this

Biogas plant developersAgricultural waste management companiesRenewable energy investorsEco-friendly construction firms
Business applications

Who can put this to work

Renewable Energy
any
Target: Biogas plant developer

If you are a biogas plant developer dealing with high construction costs — this project developed a mechanically stabilized earth (MSE) construction philosophy that provides 55% CAPEX savings compared to traditional concrete digesters.

Agriculture
enterprise
Target: Large-scale farm operator

If you are a large-scale farm operator dealing with agricultural residues — this project developed a way to build larger volume digesters with up to 85% lower CO2 emissions, allowing the plant to better incorporate into the landscape.

Civil Engineering
mid-size
Target: Green infrastructure contractor

If you are a green infrastructure contractor dealing with slow and expensive energy plant builds — this project developed an MSE-based solution that ensures easy and quick construction of biomethane sets.

Frequently asked

Quick answers

How does this solution affect the initial investment cost?

The proposed construction philosophy based on mechanically stabilized earth (MSE) offers a 55% CAPEX saving compared to traditional concrete digesters.

Can this be scaled for larger energy production?

Yes, the project specifically aims for the realization of larger volumes through this new construction philosophy.

What is the status of the IP and licensing?

Based on available project data, the project was terminated early because Alvus S.r.l. was acquired by VORN Bioenergy GmbH, meaning the IP is now likely held by the acquirer.

How does this align with EU environmental regulations?

The solution reduces CO2 emissions by up to 85% and responds to EU directives that promote simple, cost-efficient solutions over sophisticated, high-incentive ones.

What is the expected timeline for deployment?

Based on available project data, no work was carried out under this specific EU grant due to the acquisition of the company in October 2023.

Consortium

Who built it

The consortium consisted of a single Italian SME, Alvus Srl. This 100% industry-led structure was designed for rapid commercialization, but the project ended prematurely when the sole partner was acquired by VORN Bioenergy GmbH.

How to reach the team

Contact VORN Bioenergy GmbH, as they acquired Alvus S.r.l.

Next steps

Talk to the team behind this work.

Contact us to track the integration of this technology within VORN Bioenergy's portfolio.