Pär G. Jönsson
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View article: Bromine Transformation during Catalytic Pyrolysis of Waste Electronic Circuit Boards (WECBs) in an Auger Reactor over the Dual-Catalyst HZSM-5/CaO
Bromine Transformation during Catalytic Pyrolysis of Waste Electronic Circuit Boards (WECBs) in an Auger Reactor over the Dual-Catalyst HZSM-5/CaO Open
Effective bromine mitigation is a critical challenge in the sustainable recycling of electronic waste, where the uncontrolled release of brominated species compromises both environmental safety and product quality. This study unveils a nov…
View article: Syngas production from biomass pyrolysis followed by in-line biochar-catalytic reforming: the effect of space velocity, particle size, and morphology
Syngas production from biomass pyrolysis followed by in-line biochar-catalytic reforming: the effect of space velocity, particle size, and morphology Open
View article: Catalytic graphitization of engineered pyrolysis bio-oil for sustainable graphite and hydrogen Co-production
Catalytic graphitization of engineered pyrolysis bio-oil for sustainable graphite and hydrogen Co-production Open
View article: Development of biomass pyrolysis bio-oil as a renewable surface engineering agent for bio-based hard carbon production
Development of biomass pyrolysis bio-oil as a renewable surface engineering agent for bio-based hard carbon production Open
View article: Renewable syngas production from electrified catalytic steam reforming of biomass pyrolysis volatiles
Renewable syngas production from electrified catalytic steam reforming of biomass pyrolysis volatiles Open
Pyrolysis of biomass plus catalytic reforming of its pyrolysis volatiles is a green alternative to produce solid (biochar) and gaseous (syngas) fuels that have several valuable applications; however, this catalytic process suffers from fas…
View article: Electrified catalytic steam reforming for renewable syngas production: Experimental demonstration, process development and techno-economic analysis
Electrified catalytic steam reforming for renewable syngas production: Experimental demonstration, process development and techno-economic analysis Open
View article: A value of information approach to recycling
A value of information approach to recycling Open
View article: Distributed electrified heating for efficient hydrogen production
Distributed electrified heating for efficient hydrogen production Open
This study introduces a distributed electrified heating approach that is able to innovate chemical engineering involving endothermic reactions. It enables rapid and uniform heating of gaseous reactants, facilitating efficient conversion an…
View article: Bio-based anode material production for lithium–ion batteries through catalytic graphitization of biochar: the deployment of hybrid catalysts
Bio-based anode material production for lithium–ion batteries through catalytic graphitization of biochar: the deployment of hybrid catalysts Open
Producing sustainable anode materials for lithium-ion batteries (LIBs) through catalytic graphitization of renewable biomass has gained significant attention. However, the technology is in its early stages due to the bio-graphite's compara…
View article: Alloy Design Optimization of Stainless Steel's Performance and Environmental Impact Through Taguchi‐Based Grey Relational Analysis
Alloy Design Optimization of Stainless Steel's Performance and Environmental Impact Through Taguchi‐Based Grey Relational Analysis Open
The current work presents an optimization approach for improving stainless steel's performance and environmental impact. A Taguchi‐based grey relational analysis is used to determine the optimal alloy design of six stainless steels (304, 3…
View article: Van Krevelen diagrams based on machine learning visualize feedstock-product relationships in thermal conversion processes
Van Krevelen diagrams based on machine learning visualize feedstock-product relationships in thermal conversion processes Open
Feedstock properties play a crucial role in thermal conversion processes, where understanding the influence of these properties on treatment performance is essential for optimizing both feedstock selection and the overall process. In this …
View article: Carbon-negative valorization of biomass waste into affordable green hydrogen and battery anodes
Carbon-negative valorization of biomass waste into affordable green hydrogen and battery anodes Open
The global Sustainable Development Goals highlight the necessity for affordable and clean energy, designated as SDG7. A sustainable and feasible biorefinery concept is proposed for the carbon-negative utilization of biomass waste for affor…
View article: Hydrothermal carbonization coupled with pyrolysis: An innovative approach to digestate management
Hydrothermal carbonization coupled with pyrolysis: An innovative approach to digestate management Open
Anaerobic digestion presents a viable approach for managing biodegradable waste. However, the process generates a significant amount of digestate, which, if not appropriately managed, can contribute to eutrophication and salinization. This…
View article: Effect of ferrochromium (FeCr) and ferroniobium (FeNb) alloys on inclusion and precipitate characteristics in austenitic stainless steels
Effect of ferrochromium (FeCr) and ferroniobium (FeNb) alloys on inclusion and precipitate characteristics in austenitic stainless steels Open
Lab-scale alloying experiments were carried out by first adding commercial low-carbon ferrochrome (LCFeCr) alloys and then adding ferroniobium (FeNb) alloys in 316-grade austenitic stainless steel in this study. The inclusion and precipita…
View article: Establishment of green graphite industry: Graphite from biomass and its various applications
Establishment of green graphite industry: Graphite from biomass and its various applications Open
Resource‐ and energy‐efficient biomass exploitation for green graphite production is one of the most effective strategies for satisfying graphite demand while minimizing energy consumption and carbon emissions. This study investigated gree…
View article: A Computational Fluid Dynamics Study on Physical Refining of Steel Melts by Filtration
A Computational Fluid Dynamics Study on Physical Refining of Steel Melts by Filtration Open
In this paper, a previous experimental investigation on physical refining of steel melts by filtration was numerically studied. To be specific, the filtration of non-metallic alumina inclusions, in the size range of 1–100 µm, was stimulate…
View article: Advanced application of a geometry-enhanced 3D-printed catalytic reformer for syngas production
Advanced application of a geometry-enhanced 3D-printed catalytic reformer for syngas production Open
Catalyst research on reforming processes for syngas production has mainly focused on the active metals and support materials, while the effect of the catalyst's geometry on the reforming reactions has been poorly studied. The application o…
View article: Carbon and H2 recoveries from plastic waste by using a metal-free porous biocarbon catalyst
Carbon and H2 recoveries from plastic waste by using a metal-free porous biocarbon catalyst Open
Carbon and H2 recoveries from plastic waste enable high value-added utilizations of plastic waste while minimizing its GHG emissions. The objective of this study is to explore the use of a metal-free biocarbon catalyst for waste plastic py…
View article: Continuous catalytic pyrolysis of biomass using a fluidized bed with commercial-ready catalysts for scale-up
Continuous catalytic pyrolysis of biomass using a fluidized bed with commercial-ready catalysts for scale-up Open
The use of catalytic fast pyrolysis (CFP) of biomass to produce high-quality bio-oils as potential substitutes for conventional fuels plays an essential role in the decarbonization of the world. In this study, continuous CFP tests of sawdu…
View article: Evaluation of Engineered Biochar-Based Catalysts for Syngas Production in a Biomass Pyrolysis and Catalytic Reforming Process
Evaluation of Engineered Biochar-Based Catalysts for Syngas Production in a Biomass Pyrolysis and Catalytic Reforming Process Open
Biochar, originating from biomass pyrolysis, has been proven a promising catalyst for tar cracking/reforming with great coke resistance. This work aims to evaluate various engineered biochar-based catalysts on syngas production in a biomas…
View article: Energy Consumption and Greenhouse Gas Emissions of High-Carbon Ferrochrome Production
Energy Consumption and Greenhouse Gas Emissions of High-Carbon Ferrochrome Production Open
View article: From Waste Biomass to Hard Carbon Anodes: Predicting the Relationship between Biomass Processing Parameters and Performance of Hard Carbons in Sodium-Ion Batteries
From Waste Biomass to Hard Carbon Anodes: Predicting the Relationship between Biomass Processing Parameters and Performance of Hard Carbons in Sodium-Ion Batteries Open
Sodium-ion batteries (SIBs) serve as the most promising next-generation commercial batteries besides lithium-ion batteries (LIBs). Hard carbon (HC) from renewable biomass resources is the most commonly used anode material in SIBs. In this …
View article: Numerical Analysis of Fluid Flow and Temperature Distributions of O<sub>2</sub>/N<sub>2</sub> Gas Mixtures in AOD Nozzles
Numerical Analysis of Fluid Flow and Temperature Distributions of O<sub>2</sub>/N<sub>2</sub> Gas Mixtures in AOD Nozzles Open
A two-dimensional CFD model was developed to simulate the fluid flow and temperature distribution inan AOD nozzle using a mixture of oxygen and nitrogen as the fluid phase, aiming at predicting how the outlet gas properties are influenced …
View article: Mathematical modelling of novel combined stirring method during the final stage of ladle refining
Mathematical modelling of novel combined stirring method during the final stage of ladle refining Open
A novel horizontal stirring has been introduced to investigate the effect of such a stirring on the ladle profile during the combined stirring process at the refining stage. The multiphaseInterFoam solver has been updated to consider the i…
View article: Appraising the value of compositional information and its implications to scrap-based production of steel
Appraising the value of compositional information and its implications to scrap-based production of steel Open
The current nature of steel design and production is a response to meet increasingly demanding applications but without much consideration of end-of-life scenarios. The scrap handling infrastructure, particularly the characterization and s…
View article: Effect of Ferrochromium (Fecr) and Ferroniobium (Fenb) Alloys on Inclusion and Precipitate Characteristics in Austenitic Stainless Steels
Effect of Ferrochromium (Fecr) and Ferroniobium (Fenb) Alloys on Inclusion and Precipitate Characteristics in Austenitic Stainless Steels Open
View article: Corrigendum to “High-purity syngas production by cascaded catalytic reforming of biomass pyrolysis vapors” [Appl. Energy 322 (2022) 119501]
Corrigendum to “High-purity syngas production by cascaded catalytic reforming of biomass pyrolysis vapors” [Appl. Energy 322 (2022) 119501] Open
View article: H2-rich syngas production from pyrolysis of agricultural waste digestate coupled with the hydrothermal carbonization process
H2-rich syngas production from pyrolysis of agricultural waste digestate coupled with the hydrothermal carbonization process Open
A novel process to produce a H2-rich syngas from a high moisture-containing agricultural waste digestate is proposed. This process combines the use of hydrothermal carbonization (HTC), dewatering, pyrolysis, and catalytic reforming. Due to…
View article: Estimation of the probable maximum size of inclusions using statistics of extreme values and particle size distribution methods
Estimation of the probable maximum size of inclusions using statistics of extreme values and particle size distribution methods Open
View article: Applications of Hydrochar and Charcoal in the Iron and Steelmaking Industry—Part 1: Characterization of Carbonaceous Materials
Applications of Hydrochar and Charcoal in the Iron and Steelmaking Industry—Part 1: Characterization of Carbonaceous Materials Open
The iron and steelmaking industry faces the dilemma of the need to decrease their greenhouse gas emissions to align with decarbonization goals, while at the same time fulfill the increasing steel demand from the growing population. Replaci…