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Showing 1 to 20 of 21 for “"Chemical-Looping Combustion"”.
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CFD Simulation of Chemical Looping Combustion System
… by 2040, rising to approximately 59% by 2050. Chemical looping combustion (CLC) is one of the most promising cost-effective technologies that can be retrofitted onto existing power plants for CCS. The main drawback attributed to CLC is a very low confidence level as a consequence of the lack of …
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Chemical Looping Combustion: A Multi-Scale Analysis
Chemical looping combustion (CLC) is a technique for separating pure carbon dioxide from the combustion of fuels. The oxygen to burn the fuel comes from the lattice oxygen contained in solid particles of an inorganic oxide (the ‘oxygen carrier’), instead of from oxygen in the air. Thus only CO2 and …
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Experimental characterization and chemical kinetics study of chemical looping combustion
Chemical looping combustion (CLC) is one of the most promising technologies to achieve carbon capture in fossil fuel power generation plants. A novel rotary-bed reactor concept was proposed by Zhao et. al. [1] in 2013. It is a compact gas fueled CLC reactor that could achieve high fuel conversion …
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Rotary bed reactor for chemical-looping combustion with carbon capture
Chemical-looping combustion (CLC) is a novel and promising technology for power generation with inherent CO2 capture. Currently almost all the research has been focused on developing CLC based inter-connected fluidized bed reactors. A new rotating reactor concept for gas fueled CLC is proposed. In …
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The Investigation of Aspects of Chemical Looping Combustion in Fluidised Beds
Chemical looping combustion (CLC) is a promising fossil fuel combustion technology, which is able to separate CO2 from the flue gases without a large consumption of energy. In this thesis, the study was extended to look at the use of chemical looping materials within traditional fluidised bed …
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Fundamental Studies of Chemical Looping Combustion with Oxygen Uncoupling (CLOU) of Biomass Char
Chemical Looping Combustion (CLC) is a technique which utilises lattice oxygen contained in solid particles of an inorganic oxide (the ‘oxygen carrier’) to combust fuels, enabling the collection of products of combustion (CO₂ and H₂O) undiluted with nitrogen. It offers, therefore, an attractive …
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Computational Fluid Dynamics Modeling and Simulations of Fluidized Bed Reactors for Chemical Looping Combustion
<p>Chemical looping combustion (CLC) is a next generation combustion technology that shows great promise as a solution for the need of high-efficiency low-cost carbon capture from fossil fueled power plants. To realize this technology on an industrial scale, the development of high-fidelity …
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CPFD Modeling of a Novel Internally Circulating Bubbling Fluidized Bed for Chemical Looping Combustion
Pressurized chemical looping combustion (PCLC) is a promising next generation carbon capture technology which operates on the fundamentals of oxyfuel combustion to concentrate carbon dioxide in the flue gas stream. Oxygen is supplied through cyclic oxidation and reduction of a solid metal oxide …
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Progress in an oxygen-carrier reaction kinetics experiment for rotary-bed chemical looping combustion
… platform measuring reaction kinetics in a chemical looping combustion (CLC) process is documented and justified. To enable an experiment designed to characterize the reaction kinetics of the reduction/oxidation cycle in a rotary channeled oxygen carrier, a platform was designed to deliver …
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THE USE OF GASEOUS METAL OXIDE AS AN OXYGEN CARRIER IN COAL CHEMICAL LOOPING COMBUSTION
Traditional chemical looping technologies utilize solid oxygen carriers and has some disadvantages, especially when solid fuels like coal are used. In this work, a novel chemical looping process using gaseous metal oxide as oxygen carrier was proposed. The reaction of activated charcoal with …
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CFD Simulations of Chemical Looping Combustion in a Packed Bed and a Bubbling Bed Fuel Reactor
<p>Chemical-looping combustion (CLC) is a next generation combustion technology that has shown great promise in addressing the need for high-efficiency low-cost carbon capture from fossil fueled power plants to address the rising carbon emissions. Although there have been a number of experimental …
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Redox kinetics study for chemical-looping combustion, water and CO₂ splitting using nickel and cerium-based oxygen carrier
Chemical-looping (CL) is a novel and promising technology for several applications including oxy-combustion for carbon capture, hydrogen production and CO2 reuse. In this process, oxygen carriers are utilized to cyclically adsorb and release oxygen producing two separated exhaust streams with …
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Preparation of Copper-Based Oxygen Carrier Supported on Titanium Dioxide
<p>Chemical-looping combustion is an indirect oxygen combustion strategy, considered to be the most cost-effective power generation technology with the CO2 inherently concentrated. In this process, a solid oxygen carrier is used to transfer oxygen from the air reactor to the fuel reactor, which …
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Desarrollo de un nuevo reactor Chemical Looping para el almacenamiento y generación de energía libre de emisiones de CO2
… transportadores sólidos de oxígeno (en inglés, Chemical Looping Combustion (CLC)). La solución propuesta emplea un nuevo reactor CLC de lecho fijo capaz de almacenar y producir energía libre de emisiones (o incluso emisiones negativas de CO2), evitando los principales obstáculos asociados a …
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Tailoring Isothermal Redox Properties of Calcium-based Perovskites
… of a variety of sustainable processes such as Chemical Looping Combustion (CLC), thermochemical fuel production, etc. Apart from the state-of-the-art materials that require extreme synthesis and reaction conditions such as high temperature, simple perovskites that can operate at comparatively …
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Process and Reactor Level Simulations of Calcium Looping Combustion
<p>Calcium looping (CaL) is a recent technology for carbon capture from coal fired power plants which consumes less energy than other approaches such as oxy-fuel. In the first part of this thesis, a system level model is developed in ASPEN PLUS to calculate the energy penalty of introducing Calcium …
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A NOVEL MEDIATED OXYCOMBUSTION SYSTEM: SUBSYSTEM EVALUATION AND INTEGRATION
… evaluate the subsystems of a novel mediated oxycombustion system and determine the expected final conditions of the integrated subsystems. The subsystems included a cerium based oxygen transport membrane, transport membrane coatings to assist in the pickup and release of oxygen, and a molten …
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Collaborative Simulation of Reacting Flow and Controller in Chemical Looping Systems
As chemical reactors and industrial processes become more complex and diverse, process controllers are increasingly required to optimise system performance and ensure stable operation. This is particularly true in energy-intensive industries, where multiphase reactive systems are highly dynamic and …
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Application of low PO2 iron-based oxides for decarbonising steel industry via chemical looping
… metal oxide for (i) integrated calcium and chemical looping combustion (CaL-CLC), and (ii) hydrogen and syngas production using methane. C<sub>2</sub>F) comprises of CaO and Fe<sub>2</sub>O<sub>3</sub> which are already utilised in the steel industry. This is important consideration for …
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