Browsing SINTEF Open by Author "Khalil, Roger Antoine"
Now showing items 1-20 of 24
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Characterization of Residues from Entrained Flow Gasification of Wood
Wang, Liang; Seljeskog, Morten; Khalil, Roger Antoine; Bakken, Jørn; Carlsson, Per; Skreiberg, Øyvind (Peer reviewed; Journal article, 2020) -
CLC of waste-derived fuel and biomass in a 150-kW pilot unit
Langørgen, Øyvind; Saanum, Inge; Khalil, Roger Antoine; Haugen, Nils Erland L. (Conference object, 2022)In this work, solid recovered waste-derived material (SRF) and biomass are converted in the 150-kWth CLC pilot unit at SINTEF Energy Research in Norway, using ilmenite as an oxygen carrier. The very first tests show ... -
Comparative study on the thermal behavior of untreated and various torrefied bark, stem wood, and stump of Norway spruce
Barta-Rajnai, Eszter; Wang, Liang; Sebestyén, Zoltán; Barta, Zsolt; Khalil, Roger Antoine; Skreiberg, Øyvind; Grønli, Morten; Jakab, Emma; Czégény, Zsuzsanna (Journal article; Peer reviewed, 2017) -
D 3.3 Oxygen-carrier validation in CLC pilot units
Vin, Nicolas; Lambert, Arnold; Bakoc, Kristina; Bertholin, Stephane; Li, Zuoan; Larring, Yngve; Saanum, Inge; Khalil, Roger Antoine; Langørgen, Øyvind (Research report, 2021) -
Decentralized Production of Fischer-Tropsch Biocrude via Coprocessing of Woody Biomass and Wet Organic Waste in Entrained Flow Gasification: Techno-Economic Analysis
del Alamo Serrano, Gonzalo; Kempegowda, Rajesh Shivanahalli; Skreiberg, Øyvind; Khalil, Roger Antoine (Journal article; Peer reviewed, 2017)The present work addresses the techno-economics of the decentralized coproduction of Fischer-Tropsch biocrude and liquefied natural gas via thermochemical conversion of woody biomass and wet organic waste to syngas in an ... -
Detailed operational mapping of a grate fired Biomass combustion plant for improved combustion process control
Khalil, Roger Antoine; Malik, Azhar; Ku, Xiaoke; Skreiberg, Øyvind; Fossum, Morten; Becidan, Michael; Løvås, Terese (Journal article; Peer reviewed, 2016)Biomass combustion plants in Norway are facing stricter emission regulations and lower profitability, mostly due to low energy prices. Hence, performance optimization through improved combustion process control and/or ... -
Effect of fuel mixing on melting behavior of spruce wood ash
Wang, Liang; Skreiberg, Øyvind; Khalil, Roger Antoine; Li, Hailong (Journal article, 2019)The aim of this work was to investigate effects of fuel mixing on melting behavior of spruce wood ash. Spruce bark was studied as additive fuel regarding its ability to lower the melting and flowing temperature of spruce ... -
Effect of torrefaction on physiochemical characteristics and grindability of stem wood, stump and bark
Wang, Liang; Barta-Rajnai, Eszter; Skreiberg, Øyvind; Khalil, Roger Antoine; Czégény, Zsuzsanna; Jakab, Emma; Barta, Zsolt; Grønli, Morten (Journal article; Peer reviewed, 2017)In this work, Norway spruce stem wood, stump and bark were torrefied in a bench scale tubular reactor at 225, 275 and 300 °C with two residence times (30 and 60 min). Effect of torrefaction on general properties, chemical ... -
Effect of torrefaction on properties of pellets produced from woody biomass
Wang, Liang; Riva, Lorenzo; Skreiberg, Øyvind; Khalil, Roger Antoine; Bartocci, Pietro; Yang, Qing; Yang, Haiping; Wang, Xuebin; Chen, Dengyu; Rudolfsson, Magnus; Nielsen, Henrik Kofoed (Peer reviewed; Journal article, 2020)Torrefaction has been recognized as a promising strategy to improve handling and storage properties of wood-based pellets, thus producing a uniform-quality commodity with high energy density and hydrophobicity. In this ... -
Emission Levels and Emission Factors for Modern Wood Stoves
Skreiberg, Øyvind; Seljeskog, Morten; Goile, Franziska; Khalil, Roger Antoine (Peer reviewed; Journal article, 2023) -
Evaluation of CLC as a BECCS technology from tests on woody biomass in an auto-thermal 150-kW pilot unit
Langørgen, Øyvind; Saanum, Inge; Khalil, Roger Antoine; Haugen, Nils Erland L (Peer reviewed; Journal article, 2023)In this work, woody biomass is converted by chemical looping combustion (CLC) in the auto-thermally operated 150-kW pilot unit at SINTEF Energy Research in Norway, using ilmenite as an oxygen carrier. The pilot unit consists ... -
Experimental and simulation studies of oxygen-blown, steam-injected, entrained flow gasification of lignin
Samani, Nastaran; Khalil, Roger Antoine; Seljeskog, Morten; Bakken, Jørn; Thapa, Rajan Kumar; Eikeland, Marianne Sørflaten (Peer reviewed; Journal article, 2024)This article presents results from experimental and simulation studies on a laboratory-scale pressurized O2-blown Entrained Flow biomass gasification Reactor (EFR) using pulverized commercial lignin pellets as feedstock. ... -
Gasification of wood powder in a small-scale entrained flow gasifier
Khalil, Roger Antoine; Seljeskog, Morten; Bakken, Jørn; Skreiberg, Øyvind (Peer reviewed; Journal article, 2023)Gasification of wood powder milled from commercially available wood pellets have been performed in a small-scale entrained flow gasifier. The main aim of this study is to investigate operational and feedstock requirements ... -
Hydrothermal Gasification of Biogas Digestate: a Parametric Study Using a Matlab-based Code
Rahma, Fadilla Noor; Li, Tian; Khalil, Roger Antoine; Tran, Quang Khanh (Peer reviewed; Journal article, 2023)In this work, effect of process parameters on hydrothermal gasification (HTG) of biogas digestate are thermodynamically investigated using a Matlab-based code, which is capable of modelling the effects of the feedstock’s ... -
Hydrothermal Gasification of Biogas Digestate: a Thermodynamic Study on Effects of Process Parameters Using Aspen Plus
Rahma, Fadilla Noor; Li, Tian; Khalil, Roger Antoine; Tran, Quang Khanh (Peer reviewed; Journal article, 2023) -
Impact of storage time and conditions on properties of biocarbon
Wang, Liang; Buvarp, Fredrik; Skreiberg, Øyvind; Khalil, Roger Antoine (Journal article; Peer reviewed, 2018) -
Options for the treatment of organic sludge - the move towards thermal processing
Khalil, Roger Antoine; Jonassen, Ola; Bugge, Mette; Sørum, Lars (SINTEF Energi. Rapport;, Research report, 2007) -
Performance Evaluation of a Modern Wood Stove Using Charcoal
Sevault, Alexis; Khalil, Roger Antoine; Enger, Bjørn Christian; Skreiberg, Øyvind; Goile, Franziska; Wang, Liang; Seljeskog, Morten; Kempegowda, Rajesh Shivanahalli (Journal article; Peer reviewed, 2017) -
Production and characterization of biocarbon from woody biomasses produced at 1000 °C
Wang, Liang; Khalil, Roger Antoine; Bakken, Jørn; Skreiberg, Øyvind (Peer reviewed; Journal article, 2024)Controlled pyrolysis experiments have been performed on five different biomass types that include birch and spruce woodchips, wood pellets, steam exploded pellets and birch bark. Biocarbons have been produced at a temperature ... -
Reducing Emissions from Current Clean-Burn Wood Stove Technology by Automating the Combustion Air Supply and Improving the End-User Interaction - Two Important Primary Measures
Seljeskog, Morten; Goile, Franziska; Khalil, Roger Antoine; Skreiberg, Øyvind (Peer reviewed; Journal article, 2023)The current work concerns two of the most important primary measures to reduce emissions from small scale appliances for space heating; improvement and optimization of current technology and user behavior, where the latter ...