Browsing NTNU Open by Author "Hashemi, Seyedbehnam"
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Energy Efficiency in Biogas Production: Dealing with Bottlenecks for Improved Methane Production
Hashemi, Seyedbehnam (Doctoral theses at NTNU;2023:66, Doctoral thesis, 2023) -
Enzymatic pretreatment of steam-exploded birch wood for increased biogas production and lignin degradation
Hashemi, Seyedbehnam; Joseph, Prajin; Mialon, Antoine; Moe, Størker T.; Lamb, Jacob Joseph; Lien, Kristian Myklebust (Peer reviewed; Journal article, 2021)Lignocellulose is readily available biomass for biogas production; however, due to its rigid structure, it requires pretreatment to obtain a maximum energy extraction. In this study, steam explosion (SE) (220 °C and 10 ... -
Molecular Microbial Community Analysis as an Analysis Tool for Optimal Biogas Production
Hashemi, Seyedbehnam; Hashemi, Sayed Ebrahim; Lien, Kristian Myklebust; Lamb, Jacob Joseph (Peer reviewed; Journal article, 2021)The microbial diversity in anaerobic digestion (AD) is important because it affects process robustness. High-throughput sequencing offers high-resolution data regarding the microbial diversity and robustness of biological ... -
Potential role of sulfide precipitates in direct interspecies electron transfer facilitation during anaerobic digestion of fish waste
Hashemi, Seyedbehnam; Horn, Svein Jarle; Lamb, Jacob Joseph; Lien, Kristian Myklebust (Peer reviewed; Journal article, 2022)Fish waste (FW) contains large amounts of protein and is a challenging feedstock for biogas production due to possible H₂S and ammonia generation. Adding FeCl3 to an anaerobic digester can precipitate H₂S. Mackinawite and ... -
Stimulating biogas production from steam-exploded birch wood using Fenton reaction and fungal pretreatment
Hashemi, Seyedbehnam; Solli, Linn; Aasen, Roald; Lamb, Jacob Joseph; Horn, Svein Jarle; Lien, Kristian Myklebust (Peer reviewed; Journal article, 2022)Delignification of steam-exploded birch wood (SEBW) was stimulated using a pretreatment method including Fenton reaction (FR) and fungi. SEBW was employed as a substrate to optimize the Fe(III) and Fe(II) dosage in FR. ...