Browsing Institutt for kjemisk prosessteknologi by Author "Lien, Kristian Myklebust"
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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 ... -
Lessons learned from an experimental campaign on promoting energy content of renewable biogas by injecting H2 during anaerobic digestion
Sarker, Shiplu; Wijnsma, Sander; Lien, Kristian Myklebust (Peer reviewed; Journal article, 2020)Direct injection of H2 to an anaerobic reactor enables biological fixation of CO2 into CH4 (biomethanation) and consequently boosts methane content in the produced biogas. However, there has been only a small amount of ... -
Thermodynamic Insight in Design of Methanation Reactor with Water Removal Considering Nexus between CO2 Conversion and Irreversibilities
Hashemi, Sayed Ebrahim; Lien, Kristian Myklebust; Hillestad, Magne; Schnell, Sondre Kvalvåg; Austbø, Bjørn (Journal article; Peer reviewed, 2021)The inevitable nexus between energy use and CO2 emission necessitates the development of sustainable energy systems. The conversion of CO2 to CH4 using green H2 in power-to-gas applications in such energy systems has ...