Chemical looping
Syngas Chemical Looping Combustion Using A Fluidizable Oxygen Carrier: Reactivity, Kinetics, Reactor Simulation
... Syngas Chemical Looping Combustion Using A Fluidizable Syngas Chemical Looping Combustion Using A Fluidizable Oxygen Carrier: Reactivity, Kinetics, Reactor Simulation Oxygen Carrier: [r] ...
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Effects of operating pressure on the key parameters of coal direct chemical looping combustion
... of chemical looping combustion process, by improving reactors, fuels, oxygen carriers, ...pressurized chemical looping combustion by using Chinese bituminous coal in a medium-pressure, high ...
8
Biomass pyrolysis oils for hydrogen production using chemical looping reforming
... a chemical looping steam reforming (CLR) process, which differs from the conventional process by cycling between fuel-steam feed and oxidation by air steps in order to achieve autothermality without ...
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Experimental evaluation of a Chinese sulfur containing lean iron ore as the oxygen carrier for chemical looping combustion
... energy loss during the combustion process, chemical-looping combustion (CLC) has been regarded as a promising novel combustion technology for CO 2 capture. 1,2 At present, there is an increasing interest ...
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Thermodynamic Analysis and Synthesis Gas Generation by Chemical Looping Gasification of Biomass with Nature Hematite as Oxygen Carriers
... results may be contributed to the amount of valid hema- tite particles decreasing with the reactions proceeding. So, portion of biomass taken out by fluidized gas after only pyrolytic reaction, which can cause the ...
7
Fibrous Aluminosilicate Catalyst Support for Hydrogen Production by Chemical Looping Steam Reforming.
... in chemical looping steam reforming was equal or better than the commercial 18 wt% NiO catalyst (in granulated ...bed chemical looping steam ...
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Three dimensional full loop modeling and optimization of an in situ gasification chemical looping combustion system
... A comprehensive three dimensional full loop numerical model has been developed to simulate the flow dynamics characteristics of a novel in situ gasification chemical looping combustion (iG- CLC) system. ...
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Chemical equilibrium analysis of hydrogen production from shale gas using sorption enhanced chemical looping steam reforming
... of chemical looping and no doubt can be accredited to the strongly exothermic nick- el ...the chemical looping processes (CL-SR and SE-CLSR) were further veri fi ed by the authors with Aspen ...
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Reactivity Investigation on Iron Titanium Oxides for a Moving Bed Chemical Looping Combustion Implementation
... Ilmenite-type natural ore which is constituted mainly of iron-titanium oxide is an interesting candidate as an oxygen carrier in chemical looping combustion (CLC) process. Its reactivity was investigated ...
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Hydrogen from scrap tyre oil via steam reforming and chemical looping in a packed bed reactor
... by chemical looping reforming using fuels such as methane [33], vegetable oil [34], waste cooking oil [22], waste automotive lubricating oil [27]], and biomass pyrolysis oils (palm empty fruit bunches and ...
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EFFECT OF OXYGEN CARRIER PARTICLE SIZE ON THE HYDRODYNAMICS OF FUEL REACTOR IN A CHEMICAL LOOPING COMBUSTION SYSTEM
... The hydrodynamics of fuel reactor in a CLC system has been analyzed by using a multiphase CFD-based model with gas-solid interactions and chemical reactions. In this paper, the fuel reactors of two CLC systems are ...
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Effect of ash on coal direct chemical looping combustion
... 3. The amount of ash present in fuel coal increases its fuel flow rate proportionately to maintain required feasible process conditions for chemical looping combustion. The carbon capturing efficiency ...
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Steam reforming of shale gas in a packed bed reactor with and without chemical looping using nickel based oxygen carrier
... the chemical looping steam reforming (CL-SR) ...combines chemical looping combustion (CLC) and steam reforming to minimise the energy expenditure from the C-SR ...
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A systematic investigation of the performance of copper , cobalt , iron , manganese , and nickel based oxygen carriers for chemical looping combustion technology through simulation studies
... Most of the existing studies on large scale CLC system model- ling have examined iron and nickel oxides as OCs (Cormos, 2012; Erlach et al., 2011; Rezvani et al., 2009; Sorgenfrei and Tsatsaronis, 2014). The research on ...
14
Dolomite study for in situ CO2 capture for chemical looping reforming
... The non-isothermal kinetic and thermal behaviour of a naturally formed dolomite in conditions that approach in situ CO2 capture in chemical looping reforming, were investigated. The performance of this ...
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Energy and exergy analysis of chemical looping combustion technology and comparison with pre combustion and oxy fuel combustion technologies for CO2 capture
... direct chemical looping combustion; CLC, chemical looping combustion; DEA, diethanolamine; GT, gas turbine; HP, high pressure; HRSG, heat recovery steam generator; IEA, international energy ...
12
Experimental evaluation of a novel 20kWth in situ gasification chemical looping combustion unit with an iron ore as the oxygen carrier
... ABSTRACT: This study presents the results obtained from the operation of a 20 kW th in situ gasi fi cation chemical-looping combustion (iG-CLC) unit with a Chinese bituminous coal as the fuel and a natural ...
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Tailored Mixed Metal Oxides for Chemical Looping Processes.
... or oxygen generation 7–12 . Therefore, novel process schemes that can reduce such energy penalties are highly desirable from both environmental and process economics viewpoints. Compared to conventional reforming ...
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A Novel Mixed Metallic Oxygen Carrier for Chemical Looping Combustion: Preparation, Characterization and Kinetic Modeling
... outlined by Levin (Levin et al. 1998): (i) a gradual decrease in aluminum cation occupancy in tetrahedral sites, with this being correlated with increased occupancy at the octahedral sites, and (ii) a gradual decrease in ...
177
Modelling of high purity H2 production via sorption enhanced chemical looping steam reforming of methane in a packed bed reactor
... [33] P. Kulkarni, J. Guan, R. Subia, Z. Cui, J. Manke, A. Frydman, W. Wei, R. Shisler, R. Ayala, G. Rizeq, Fuel-Flexible Gasification-Combustion Technology for Production of H2 and Sequestration-Ready CO2, in, GE Energy ...
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