Browsing Bergen Open Research Archive by Author "Løhre, Camilla"
Now showing items 1-7 of 7
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Comparison of calibration models for rapid prediction of lignin content in lignocellulosic biomass based on infrared and near-infrared spectroscopy
Herdlevær, Kristoffer Mega; Løhre, Camilla; Nodland, Egil; Barth, Tanja (Journal article; Peer reviewed, 2022)Lignocellulosic biomass has great potential as a renewable energy source due to abundance both as vegetation and in residues from agriculture and forestry. It can be utilized for biofuels and for value-added chemicals and ... -
Composition of Lignin-to-Liquid Solvolysis Oils from Lignin Extracted in a Semi-Continuous Organosolv Process
Løhre, Camilla; Halleraker, Hilde Vik; Barth, Tanja (Peer reviewed; Journal article, 2017-01-23)The interest and on-going research on utilisation of lignin as feedstock for production of renewable and sustainable aromatics is expanding and shows great potential. This study investigates the applicability of semi-continuously ... -
The effect of input material pretreatment on product yield and composition of bio-oils from LtL-solvolysis. A continuous process for organosolv fractionation of lignocellulosic biomass and solvolytic conversion of lignin
Løhre, Camilla (Doctoral thesis, 2017-01-27)As the world’s population and subsequent energy demand increases, there is a need to supplement existing energy technology with new and alternative approaches. Lignocellulosic biomass represents the vast bulk of terrestrial ... -
Exploring hydrothermal liquefaction (HTL) of digested sewage sludge (DSS) at 5.3 L and 0.025 L bench scale using experimental design
Hegdahl, Stian Hersvik; Ghoreishi, Solmaz; Løhre, Camilla; Barth, Tanja (Journal article; Peer reviewed, 2023)A common perspective within the prospect of a greener future is utilising our waste materials. One waste material of which the world has abundant resources, and where we will keep having resources, is sewage sludge. This ... -
Hydrothermal liquefaction of sewage sludge anaerobic digestate for bio-oil production: Screening the effects of temperature, residence time and KOH catalyst
Hegdahl, Stian Hersvik; Løhre, Camilla; Barth, Tanja (Journal article; Peer reviewed, 2022)Due to sewage sludge being an abundant biobased resource, and with the number of biogas plants utilizing sewage sludge increasing, digested sewage sludge (DSS) is a promising feedstock for producing bio-oil. This study ... -
Identification and quantification of valuable platform chemicals in aqueous product streams from a preliminary study of a large pilot-scale steam explosion of woody biomass using quantitative nuclear magnetic resonance spectroscopy
Ghoreishi, Solmaz; Løhre, Camilla; Hermundsgård, Dag Helge; Molnes, Joakim Lindgaard; Tanase-Opedal, Mihaela; Brusletto, Rune; Barth, Tanja (Journal article; Peer reviewed, 2022)Steam explosion breaks down the polymeric matrix and enables the recovery of valuable compounds from lignocellulosic feedstock. In the steam explosion process, biomass is treated with high-pressure steam which subsequently ... -
A Workup Protocol Combined with Direct Application of Quantitative Nuclear Magnetic Resonance Spectroscopy of Aqueous Samples from Large-Scale Steam Explosion of Biomass
Løhre, Camilla; Underhaug, Jarl; Brusletto, Rune; Barth, Tanja (Journal article; Peer reviewed, 2021)Methods for thermochemical conversion of biomass into renewable energy and materials rapidly increase in range and outreach. A focus on the target product streams for valorization is natural, yet several pretreatment steps ...