Blar i SINTEF Open på emneord "Chemical looping combustion"
Viser treff 1-14 av 14
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A multi-scale model for oxygen carrier selection and reactor design applied to packed bed chemical looping combustion
(SINTEF Proceedings;1, Chapter, 2015)Proper selection of a catalyst shape (or a particle shape) can improve the performance of a gas-solid packed bed reactor. The particle shape affects the packing structure and the transport phenomena within the packed bed. ... -
An assessment of the ability of computational fluid dynamic models to predict reactive gas-solid flows in a fluidized bed
(Peer reviewed; Journal article, 2012)Fine grid, two dimensional simulations of reactive gas–solid flows occurring in a fluidized bed reactor were carried out using the Eulerian multi-fluid kinetic theory of granular flow (KTGF) approach in the commercial flow ... -
CFD SIMULATIONS OF AN ADDITIONAL H2 COMBUSTOR FOR IMPROVING EFFICIENCY IN CHEMICAL LOOPING COMBUSTION POWER PLANTS
(SINTEF Proceedings;6, Chapter; Peer reviewed, 2020)Chemical looping combustion (CLC) is a promising technology for hydrocarbon fuel combustion with integrated CO2 capture. The CLC process imposes almost no direct energy penalty for separating CO2, but a large indirect ... -
Efficiency Improvement of Chemical Looping Combustion Combined Cycle Power Plants
(Journal article; Peer reviewed, 2019)Chemical‐looping combustion (CLC) is an innovative technology for power production with inherent carbon dioxide (CO2) capture. Even though CLC imposes no direct energy penalty for CO2 capture, previous works have shown ... -
Experimental demonstration of pressurized chemical looping combustion in an internally circulating reactor for power production with integrated CO2 capture
(Peer reviewed; Journal article, 2020)This study presents an experimental demonstration of pressurized chemical looping combustion (CLC) in an internally circulating reactor (ICR). The ICR concept is a novel alternative to the conventional interconnected ... -
Fast redox kinetics of a perovskite oxygen carrier measured using micro-fluidized bed thermogravimetric analysis
(Peer reviewed; Journal article, 2020)Redox kinetics of oxygen carrier in chemical looping combustion (CLC) is important for reactor design and its oxidation enthalpy is important in order to establish auto thermal demonstration. Most published redox kinetics ... -
Heterogeneous reaction kinetics of a perovskite oxygen carrier for chemical looping combustion coupled with oxygen uncoupling
(Peer reviewed; Journal article, 2020)The determination of more exact heterogeneous kinetics of oxygen carriers is a crucial task for modelling, used to predict performance and design of demonstrating pilot units. Thermogravimetric analysis (TGA) is the most ... -
Integration of chemical looping combustion for cost-effective CO2 capture from state-of-the-art natural gas combined cycles
(Peer reviewed; Journal article, 2020)Chemical looping combustion (CLC) is a promising method for power production with integrated CO2 capture with almost no direct energy penalty. When integrated into a natural gas combined cycle (NGCC) plant, however, CLC ... -
Integration of gas switching combustion and membrane reactors for exceeding 50% efficiency in flexible IGCC plants with near-zero CO2 emissions
(Peer reviewed; Journal article, 2020)Thermal power plants face substantial challenges to remain competitive in energy systems with high shares of variable renewables, especially inflexible integrated gasification combined cycles (IGCC). This study addresses ... -
The Internally Circulating Reactor (ICR) Concept Applied to Pressurized Chemical Looping Processes
(Peer reviewed; Journal article, 2017)The internally circulating reactor (ICR) has significant potential to reduce costs and simplify scale-up of pressurized chemical looping process concepts. An ICR consists of a single reactor body divided into two or three ... -
Mapping the operating performance of a novel internally circulating fluidized bed reactor applied to chemical looping combustion
(Peer reviewed; Journal article, 2020)Chemical looping combustion is a promising technology for minimizing the energy penalty of CO2 capture. To accelerate the scale-up and commercialization of this technology for pressurized operation, the internally circulating ... -
Perovskite oxygen carrier with chemical memory under reversible chemical looping conditions with and without SO2 during reduction
(Peer reviewed; Journal article, 2021)Oxygen carrier materials (OCM) are usually exposed to sulfur-contained gases in the fuel reactor for chemical looping combustion. This work provides both experimental and model work to understand the SO2 effect on the ... -
Rotating bed reactor for CLC: Bed characteristics dependencies on internal gas mixing
(Peer reviewed; Journal article, 2014)A newly designed continuous lab-scale rotating bed reactor for chemical looping combustion using CuO/Al2O3 oxygen carrier spheres and methane as fuel gives around 90% CH4 conversion and >90% CO2 capture efficiency based ... -
Simulation-Based Design and Economic Evaluation of a Novel Internally Circulating Fluidized Bed Reactor for Power Production with Integrated CO2 Capture
(Journal article; Peer reviewed, 2019)Limiting global temperature rise to well below 2 °C according to the Paris climate accord will require accelerated development, scale-up, and commercialization of innovative and environmentally friendly reactor concepts. ...