HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Journal articles

Enhancement of biogas production from Ulva sp. by using solid-state fermentation as biological pretreatment

Abstract : The green macroalgal biomass corresponds to an emerging and promising biofuel feedstock. Their biological pretreatment and energetic conversion to biomethane were investigated and the enhancement of biogas production using the solid-state fermentation (SSF) as an eco-friendly innovative pretreatment of Ulva sp. was precisely assessed. Compared to conventional acid and alkali pretreatments, the highest methane potential of 153±3mLCH4g−1VS with an anaerobic biodegradability of 57% was obtained using SSF pretreatment with a locally isolated Aspergillus fumigatus SL1 strain. It was 132±2mLCH4g−1VS for raw Ulva sp. with biodegradability of 49%. Acid pretreatment with 4% HCl at 150°C had a negative effect on Ulva sp.'s methane potential while alkali pretreatment with 4% NaOH at 20°C showed a significant effect. The proposed SSF-based pretreatment enhanced therefore biogas production of 21% and permitted an eco-friendly valorization of large amounts of abundant macroalgae.
Document type :
Journal articles
Complete list of metadata

https://hal.inrae.fr/hal-02629401
Contributor : Migration Prodinra Connect in order to contact the contributor
Submitted on : Wednesday, May 27, 2020 - 3:39:58 AM
Last modification on : Wednesday, March 23, 2022 - 12:08:19 PM

Identifiers

Citation

Nesrine Ben Yahmed, Hélène Carrère, M. Nejib Marzouki, Issam Smaali. Enhancement of biogas production from Ulva sp. by using solid-state fermentation as biological pretreatment. Algal Research - Biomass, Biofuels and Bioproducts, Elsevier, 2017, 27 (Supplement C), pp.206-214. ⟨10.1016/j.algal.2017.09.005⟩. ⟨hal-02629401⟩

Share

Metrics

Record views

5