Industrial biogas plant with membrane technology (440 Nm³/h) in France

Welcome to France! Visit the biogas- and gasupgrading plant in Gauchy.
In-service date: May 2021
Input materials: 51.000 t residues p/a
Special features:
- 440 Nm³/h EnviThan with feed-in compressor 16 bar local grid
- Innovative residual material processing system with flexible input handling
- Residual material supplied to dedicated 1,000 m² technical building
- Methane purified and fed into the local Gaz-B grid operated by GRDF
- Located in the middle of an industrial park
The biogas and biogas upgrading plant in Gauchy, France, started operations in May 2021. EnviTec Biogas completed the 440 Nm³/h industrial plant with an affiliated gas upgrading plant on a 4.7 ha site as contractor and member of the MEV (Methaisne Energies Vertes) project company. Equipped with two digesters, one gas-tight and two conventional gas storage facilities, this biogas plant utilises an innovative residual material processing model. The plant is equipped with a flexible input handling system, including hygienisation, for the various agricultural and industrial waste streams. Input material processing follows a closed loop, with all of the digestate produced by the plant being reused in the local agricultural sector. Ultimately, this digestate will be spread over 6,000 hectares of croplands. This means that up to 51,000 tonnes of waste can be converted into green energy every year.
Residual materials are delivered to a 15-metre-high technical building with a footprint of roughly 1,000 square metres, which is equipped with an extraction system to avoid odours escaping into the industrial park. Here, waste is first shredded and hygienised where necessary before further processing. This made-to-measure plant feeds gas upgraded to 91 v/v% methane - known as ‘b-quality’ gas - into the grid operated by local utility GRDF. However, a future conversion to ‘H-gas’ quality is also planned.
Learn more about our EnviThan technology: bit.ly/3rsApUl
More international reference projects: bit.ly/3skSiDO
_ More from the world of EnviTec Biogas___________________________________________________
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_ Chapters ________________________________________________________________________________
00:00 Introduction
00:21 Waste from the industry
00:57 Flexible feed technology
01:56 Hygienization
02:43 Mixing technique
03:27 Digestation of biomass to biogas
04:09 Pretreatment for biogas upgrading
04:32 Separation of digestate
04:44 EnviThan biogas upgrading system
_ About biomethane _______________________________________________________________________
Whether as a source of electricity to generate heat locally, to supply heat by pipeline, to feed into the gas network or use it as green fuel after processing - Biogas is multi-talented and versatile. The weather-independent anaerobic digestion is a predictable source of revenue for the operator. At the same time, an ad plant actively contributes to environmental protection and energy mix of the future.
Upgrading biogas opens up a promising future market for the biogas industry. With feed-in into the public natural gas grid, the green all-rounder is perfect for the decentralised supply of energy, offering a long-term replacement for fossil natural gas and driving the energy transition forward.
What’s more, the biomethane manufactured in the EnviThan gas upgrading plant has the exact same properties as natural gas, being just as flexible in its usage and easier to store than other energy sources. Plus, it’s renewable. It can be used in conventional gas vehicles as bio-CNG / RNG / CBG and, in liquefied form, bio-LNG (Liquefied Natural Gas) / LBG in heavy-duty transport as green fuel.
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