CO2 Recovery

FromArol Energy

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Green CO₂ technologies at the service of the environment. Biogas upgrading releases two flows : The first, consisting of methane (CH₄) called biomethane and injected into the gas grid, The second, consisting mainly of carbon dioxide (CO₂), called “off-gas” and usually released into the atmosphere. This “off-gas” can be processed to recover and recycle the CO₂ it contains. Arol Energy offers effective biogenic CO₂ production and recovery solutions using innovative technologies which are contributing to the energy transition and the improvement of the overall facility and profitability.

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greenhouse gas emissions

volatile organic compounds

CO2 liquefaction

biogenic carbon dioxide

The bio-CO2 produced within the upgrading process can be liquefied and transported to consumption sites: injection of CO2 in agricultural greenhouses, production of dry ice, food and chemical industries, production of coolants, etc.

Compression and dehumidification of the off-gas from biogas upgrading
Adsorption treatment of undesirable compounds (volatile organic compounds, sulfur compounds, etc.)
CO2 liquefaction including the recovery of non-condensable gases, including methane
Non-condensable gases recycling within the biogas upgrading unit
Liquid CO2 storage

Source of additional revenues
Reduction of greenhouse gas emission
Full recovery of the methane present in the biogas
Units of 150 to 1000 kg/hr of CO₂
Compatible with our AE-Compact, AE-Membrane and AE-Amine biogas upgrading technologies
Compatible with all other biogas cleaning systems
Flexibility of operation
Performance monitoring tool

A technology of the future, methanation enables the production of methane from carbon dioxide and hydrogen.

Benefits of methanation :

Produce more methane
Consider injecting methane in the same way as biomethane coming directly from biogas purification
Remove greenhouse gas emissions (off-gas not released)
Recovery of all biogas
Contribution to the energy transition