biogas

HoSt Constructing Biogas-to-Biomethane Plant in France

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HoSt is constructing its first MICROFERM+ agricultural biogas-to-biomethane plant at a cattle farm in Guichen near Rennes, France. 
HoSt Constructing Biogas-to-Biomethane Plant in France

MICROFERM+ plants are specially designed for on-farm anaerobic digestion of liquid and solid manure and agricultural feedstock. HoSt acts as one-stop supplier for this turnkey project which is scheduled for completion in November of this year.

To give farmers the ultimate possibility to use their agricultural 'waste' as valuable feedstock to produce biomethane, HoSt developed the MICROFERM+. It is a turnkey solution for an agricultural biogas plant combined with a biogas upgrading system, using membrane separation technology, and plant control system in a single compact and modular housing. 

"Continuous development and collaboration engineering allowed us to combine the biogas plant expertise of HoSt and the biogas upgrading technology of Bright Biomethane, which resulted in the design of the MICROFERM+", says commercial director Jean-Sebastien Tronc of HoSt France.

The construction at GAEC du Vallon farm is currently underway. When ready, a maximum of 7,400 tonnes annually, mainly cattle manure and maize silage, will be anaerobic digested to produce 100 Nm3 biogas per hour. In the biomethane system, the biogas will be upgraded to 55 Nm3 biomethane per hour and will be injected into the gas grid. Included in the plant is an efficient heat recovery system.

MICROFERM+ biogas installations are suitable for both liquid waste streams as solid waste streams, which are fed separately into the digester. The MICROFERM+ plant is designed to annually anaerobic digest about 5,000 to 10,000 tonnes of feedstock to produce a maximum of 550,000 Nm3 biomethane. Left over digestate, the remaining material after the anaerobic digestion process, can be separated or directly stored in an after-storage, to be used as organic fertilizer for crops.

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