By Paul Fennell, Ben Anthony

Calcium and Chemical Looping expertise for strength iteration and Carbon Dioxide (CO2) Capture stories the basic ideas, structures, oxygen vendors, and carbon dioxide companies correct to chemical looping and combustion.

Chapters overview the marketplace improvement, economics, and deployment of those platforms, additionally offering precise info at the number of fabrics and strategies that would support to form the way forward for CO2 capture prepared energy plants.

  • Reviews the basic rules, structures, oxygen companies, and carbon dioxide vendors suitable to calcium and chemical looping
  • Provides a lucid clarification of complex thoughts and advancements in calcium and chemical looping, excessive strain structures, and substitute CO2 carriers
  • Presents details out there improvement, economics, and deployment of those systems

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Extra info for Calcium and chemical looping technology for power generation and carbon dioxide (CO2) capture : solid oxygen- and CO2-carriers

Example text

5 m/s. , 2010). 13 m2/MW. 12 m2/MW. By fixing the cross-section of fuel and air reactors, the solids inventory is determined by fixing the pressure drop. If pressure drop values between 5 and 25 kPa are considered, the solids inventory in each reactor is limited in the 20e250 kg/MWth and 40e300 kg/MWth intervals in the fuel and air reactor, respectively. 9(c). These solids inventories must assure the oxygen transference both from air to oxygen carrier and from oxygen carrier to fuel, which depends on the oxygen carrier reactivity.

71 mol/s which is able to oxidize the same molar flow of CO while it is reduced to FeO. 08 mol/s which is higher than the CO inlet flow. This means that the reduction of FeO to Fe could not be exploited at this condition, because some Fe3O4 must remain when 1 mol/s CO is fed into the reactor. 2%, calculated for the Fe2O3/Fe redox system. 64 mol/s H2 per mol/s CO fed to the fuel reactor. If the Fe2O3 flow was lower, there would not be enough oxygen in solids to fully oxidize the fuel to CO2 and H2O; on the contrary, if the Fe2O3 flow was higher, the solids conversion would be lower and, as a consequence the H2 yield would be lower.

20), KSR, must be relatively high to assure that a relevant fraction of H2O could be converted into H2. 20) could also happen in the fuel reactor in a H2O rich environment as fuel was converted by the oxygen carrier. 20), is in the same order of magnitude as the equilibrium constant for CO conversion, that is, KFR2. As a consequence, the reverse reaction of CO2 and H2O to form CO and H2 could happen in the fuel reactor if special measures are not taken. 2) must be shifted towards high H2 concentrations.

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