Processus de valorisation des microorganismes photosynthétiques pour l'utilisation intégrale de la biomasse

Method for the valorisation of photosynthetic microorganisms for integral use of biomass

Verfahren zur verwertung photosynthetischer mikroorganismen zur integrierten verwendung von biomasse

Abstract

Process including stages whereby a photosynthetic microorganism biomass (1) is placed in an stirred-tank reactor, using cellulolytic enzymes (2) for liquefaction of the sugars (3); the mixture obtained is separated using a filtering and/or centrifuging process (4); a stage whereby bioethanol is produced by saccharification of the carbohydrates (6), followed by fermentation with yeast (7); a stage whereby peptide and amino acid concentrates (10) are produced using proteolytic enzymes (12) as part of an enzymatic hydrolysis process (11); the reaction mixture obtained is separated using a filtering and/or centrifuging process (13); a biodiesel (20) production stage consisting of transesterification (17) of the fatty acids in the biomass with sulphuric acid and methanol; and a stage whereby biogas (23) is produced by means of an anaerobic digestion process (22).

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    See references of WO 2014122331A1

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