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    STUDIA CHEMIA - Issue no. 4 / 2013  
         
  Article:   APPLICATIONS OF CHEMICAL LOOPING COMBUSTION TO ENERGY CONVERSION PROCESSES.

Authors:  CĂLIN-CRISTIAN CORMOŞ. 		 
       
         
  Abstract:   Among various carbon capture technologies, chemical looping combustion (CLC) is a promising option to reduce both energy and cost penalties for CO2 capture. This technique uses an oxygen carrier (usually a metalic oxide) for fuel oxidation followed by reoxidation of reduced oxygen carrier by air and/or steam. Both fuel and air reactors are operated in fluidised conditions. This paper investigates the optimisation of process operation conditions for two CLC cases, one based on natural gas and one based on syngas as fuels. The investigated CLC processes using various metallic oxides (e.g. iron, nickel, copper and mangan oxides) as oxygen carriers are aiming to find optimum process conditions (pressure, temperature, oxygen carrier flow rate, molar ratio among reactants, oxygen carrier concentration in the solid phase etc.) for an almost complete fuel conversion as well as for total decarbonisation of the used fuel. 

Keywords: Energy conversion with carbon capture, Chemical looping combustion (CLC), Oxygen carriers, Optimisation of process operation conditions.
 
         
     
         
         
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