Enhancing the Methane Yield of Salicornia spp. via Organosolv Fractionation as Part of a Halophyte Biorefinery Concept

Cayenne, AadilaFaculty of Mechanical and Process Engineering and Maritime Technologies, Flensburg University of Applied Sciences, Kanzleistr. 91-93, Flensburg, 24943, Germany (author)

Validerad;2024;Nivå 2;2024-04-05 (marisr);Full text license: CC BY
The present research investigated the effect of organosolv pretreatment on two species of salt-tolerant Salicornia spp. biomass, Salicornia dolichostachya and Salicornia ramosissima, for increasing biomethane production through anaerobic digestion. The final biomethane yield of de-juiced green fibers of Salicornia spp. from wet fractionation increased by 23–28% after organosolv treatment. The highest methane yield of about 300 mL-CH4/gVS was found after organosolv treatment with 60% v/v ethanol solution at 200 °C for 30 min, or at 180 °C for 30 or 60 min treatment time. Furthermore, the methane production rate increased significantly, reducing the time until 95% of the final methane yield was reached from 20 days to 6–10 days for the organosolv-treated biomass. This research shows that the process of anaerobic digestion of halophyte biomass benefits from cascade processing of Salicornia fibers in a biorefinery framework by sequential wet and organosolv fractionation for full utilization of halophytic biomass.

TEKNIK OCH TEKNOLOGIER Industriell bioteknik Bioprocessteknik hsv//swe
ENGINEERING AND TECHNOLOGY Industrial Biotechnology Bioprocess Technology hsv//eng
anaerobic digestion
biorefinery
methane production
organosolv pretreatment
Biokemisk processteknik
Biochemical Process Engineering

Monção, MaxwelLuleå tekniska universitet,Kemiteknik(Swepub:ltu)maxmon (author)
Matsakas, LeonidasLuleå tekniska universitet,Kemiteknik(Swepub:ltu)leomat (author)
Rova, UlrikaLuleå tekniska universitet,Kemiteknik(Swepub:ltu)ulrok (author)
Christakopoulos, PaulLuleå tekniska universitet,Kemiteknik(Swepub:ltu)pauchr (author)
Thomsen, Mette H.Department of Energy Technology, Aalborg University, Niels Bohrs Vej 8, Esbjerg, 6700, Denmark (author)
Uellendahl, HinrichFaculty of Mechanical and Process Engineering and Maritime Technologies, Flensburg University of Applied Sciences, Kanzleistr. 91-93, Flensburg, 24943, Germany (author)
Faculty of Mechanical and Process Engineering and Maritime Technologies, Flensburg University of Applied Sciences, Kanzleistr. 91-93, Flensburg, 24943, GermanyKemiteknik (creator_code:org_t)

By the author/editor: Cayenne, Aadila; Monção, Maxwel; Matsakas, Leonid ...; Rova, Ulrika; Christakopoulos, ...; Thomsen, Mette H ...; show more...; Uellendahl, Hinr ...; show less...

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ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Industrial Biote ...; and Bioprocess Techn ...

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