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2. Methanization and greenhouse gases
2.1 Methanization principle
Methanization is an anaerobic digestion process used to convert organic matter into biogas and digestate (figure 4 ). It is carried out by a consortium of micro-organisms under anaerobic conditions (– 300 to – 330 mV/ENH), at a pH close to neutrality. Different temperature ranges can be applied, from 52 to 56°C in thermophilic mode, 35 to 40°C in mesophilic mode and 10 to 20°C in psychrophilic mode.
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Methanization and greenhouse gases
Recovery of direct CO2 emissions (from methanization)
Bibliography
Bibliography
Standards and norms
EIGA (European Industrial Gases Association)
- Carbon Dioxide food and beverages grade, source, qualification, quality standards and verification. Rev 1 - Doc 70 / 17 - 2017
Regulations
Official Journal
Law no. 2015-992 of August 17, 2015 on the energy transition for green growth. JORF n° 0189 of August 18, 2015, August 17, 2015.
Law no. 2020-105 of February 10, 2020 on the fight against waste and the circular economy. JORF of February 11, 2020.
Ordinance no. 2020-920 of July 29, 2020 on waste prevention and management. JORF n° 0186...
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CO 2 purification
Axima Réfrigération France : https://www.equans.fr/nos-metiers/decarbonation/captage-valorisation-CO2
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