Kemi och kemiteknik // Chemistry and Chemical Engineering
Använd denna länk för att länka till samlingen:
Förflyttar kunskapen om kemi och tar tillvara kemiteknikens unika möjligheter i innovationer som kan värna resurser, förbättra miljö, livsvillkor och global hälsa.
För forskning och forskningspublikationer, se https://research.chalmers.se/organisation/kemi-och-kemiteknik/
Pushes the knowledge in chemistry forward and utilise chemical engineering's unique opportunities in new innovations to protect resources, improve environment, living conditions and global health.
Studying at the Department of Chemistry and Chemical Engineering at Chalmers
For research and research output, please visit https://research.chalmers.se/en/organization/chemistry-and-chemical-engineering/
Browse
Browsar Kemi och kemiteknik // Chemistry and Chemical Engineering efter Publicerad
Visar 1 - 20 av 1127
Sökresultat per sida
Sortera efter
- PostComparison of CLC with existing CCS technologies: based on Energy, Exergy and Techno-economic analysisPramode, Avinash; Dhait, Abhie; Chalmers tekniska högskola / Institutionen för kemi och kemiteknik; Chalmers University of Technology / Department of Chemistry and Chemical Engineering; Leion, Henrik; Dattarao Surywanshi, GajananClimate change is an immediate global crisis that is driven by the accumulation of greenhouse gases, primarily carbon dioxide, in the Earth´s atmosphere. Carbon Capture and Storage (CCS) technologies play a pivotal role in reducing our carbon footprint as we move towards a more sustainable future. This study aims to compare four different carbon capture technologies and evaluate them based on techno-economic analysis, energy analysis and exergy analysis. The four technologies under evaluation are chemical looping combustion (CLC), oxy-fuel combustion, post-combustion, and pre-combustion. The process modelling of the four systems for a selected combined heat and power (CHP) plant is used to carry out this comparison, which is next followed by energy, energy-related, and economic analysis. The modelling of these four plants was conducted using Aspen Plus simulation software and validated using the results given in the literature. The study reveals that the CLC capturing technology outperforms other CCS processes regarding cost efficiency, CO2 capture rate and electrical efficiency. The highest overall efficiency was observed for Oxyfuel combustion but the CLC plant has the best net electric efficiency. For the CLC model, An almost pure stream of CO2 is extracted from the Fuel reactor which is then subsequently compressed after heat extraction. The CLC has the highest CO2 capture rate among the four models for this reason. From the exergy analysis, it becomes clear that the most exergy destruction takes place in the combustion process for all the cases and that it needs to be optimized to improve overall efficiency. The comparison of the overall exergy destruction of the models shows us that CLC has the least exergy destroyed and thus has the highest exergy efficiency, despite incurring higher initial expenses, CLC displays the lowest levelized cost of electricity (LCOE) and payback period when compared with all the other technologies. This indicates that CLC has been estimated to be the most economical choice over the long term, despite necessitating a more substantial initial expenditure. To sum up, this case study offers insightful information about the advancement of CLC technology and its advantage over competing carbon capture solutions. The results provide a useful manual for energy sector decision-makers, highlighting how important it is to select the appropriate carbon capture and combustion technology with the intent to optimise performance and economics
- PostCatalytic reduction of NOx under lean conditions(1997) Ranjbar, Nasrin Rashidi; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostA kinetic model of NOx storage in a Pt/Rh/BaO/alumina catalyst(1997) Johansson, Louise; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostNew materials for NOx storage in catalysts for lean exhausts(1997) Amberntsson, Annika; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostDevelopment of a mathematical model for an SCR reactor(1997) Leib, Elisabeth; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostPeriodic control of car exhausts at cold start conditions(1998) Hajbolouri, Faegheh; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostSimulations of catalytic carbon monoxide oxidation with different radial distributions of platinum(1998) Karlsson, Niklas; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostInfluence of pretreatment and water on the low-temperature activity of Pt/ceria(1998) Azarnoush, Fazlollah; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostA study of the catalytic activity of palladium/zirconium zeolite beta for selective reduction of NO by methane in the exhaust from natural gas vehicles(1998) Ívarsson, Ásgeir; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostCFD-modelling of catalytic conversion of a CO/HC-containing vehicle exhaust(1999) Ekström, Fredrik; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostLife cycle assessment of a catalytic converter for passenger cars(1999) Amatayakul, Wathanyu; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostCatalytic amination of ethylene- and ethanol amines over nickel and ruthenium(1999) Arnby, Karl; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostSulphur poisoning and regeneration of NOx adsorbing catalysts for automotive applications(1999) Erkfeldt, Sara; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostEffect of severe thermal aging on a commercial close-coupled ULEV catalyst(1999) Ersman, Peter; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostInvestigation of NOx storage catalysts by IR spectroscopy(1999) Xu, Su Lan; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostDevelopment of a NOx storage material for use in engine exhaust gases(1999) Ekholm, Maria; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostInduced low temperature catalytic ignition by transient changes in the gas composition -Experiments and simulations(1999) Carlsson, Per-Anders; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostLow temperature activity of NOx adsorbing materials(2000) Svedberg, Pernilla; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostSelective CO oxidation in hydrogen rich environment for fuel cell applications(2000) Eriksson, Jonas; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering
- PostNOx reduction by trapping for diesel applications(2000) Lundin, Malin; Chalmers tekniska högskola / Institutionen för kemi- och bioteknik; Chalmers University of Technology / Department of Chemical and Biological Engineering