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Maria Petroni achieved projects


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Maria Petroni achieved projects

  1. 1. Achieved projects
  2. 2.  Integrated Gasification Combined Cycle (IGCC) power plant (ID-Energy AG)  Study and analyses of spent nuclear fuel using the neutron tomography, NDT method (Goesgen KKG and National Cooperative for the Disposal of Radioactive Waste)  Computed Tomography (CT) performance optimization of the beam hardening artifact (Department of Mechanics and Diagnostics & Devices Testing, and the National Institute of Health of Rome)
  3. 3. IGCC Power Plant
  4. 4. Clean coal technology is a collection of technologies being developed to mitigate the environmental impact of coal energy generation. As a result, clean coal technologies are being developed to remove or reduce pollutant emissions to the atmosphere. The growing demand for energy, environmental issues related to the fulfillment of the demand and the overall economic environment makes it necessary to search for new innovative solutions to produce clean energy and low cost. And one of these is represented by the possible gasification of coal used in Integrated Gasification Combined Cycle Power Plant. 4
  5. 5. For this project I have:  Designed the process and the system;  Provided different solutions about the components. The gas combined cycle provides improved power generation efficiency, reduced SOx, NOx, and dust emission per unit of electricity generated (kWh); on the other hands it is structurally and technologically more complex compared to other solutions. Purge Gas Syngas Outputs from the Power Plant Air Gas Turbine Compressor Chamber Combustor Water Heat Recovery Steam Generator Electricity Exhausted Gas Steam 5
  6. 6. My second proposal has been a solution based on a burner for the syngas which converts lean gas (with a low heat values) into an appreciable source of energy. It is an environment- friendly solution due to low NOx technology (less than 20mg/m3) with a valuable reduction of costs in terms of fuel and disposal. Purge Gas Syngas Water Flue gas Burner Heat Exchanger Exhausted Gas Steam Air Steam Turbine M Outputs from the Power Plant Electricity 6
  7. 7. In addition I have provided an alternative solution based on the Organic Rankine Cycle (ORC) with a possible supplier. This cycle uses an organic fluid at high molecular mass. The fluid allows Rankine cycle heat recovery from lower temperature sources such as: biomass combustion, industrial waste heat, geothermal heat, solar ponds etc. etc. The low-temperature heat is converted into useful work, that can further be converted into electricity. 7
  8. 8.  ..….and I have provided information about the right supplier for the main components of the power generation part: gas turbine – burner – steam turbine – combustor chamber – heat recovery steam generator – current generator and the ORC solution. 8
  9. 9. Study and analyses of spent nuclear fuel using the Neutron Tomography (NDT method )
  10. 10. Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage. Among the most common NDT methods we also have Computed Tomography. 10
  11. 11. Analysis of four spent fuel samples of Uranium Oxide with different Burn-up (BU):  For medium BU: Alpha, Beta, Gamma sources are the main contributors to the exhausted fuel radiation;  For high BU: Neutron Tomography is used to evaluate the intensity of neutron sources Neutron Source
  12. 12. CASMO BU Simulation tool Chemical Analyses Neutron Source Evaluation Proteus Reactor Measurements Neutron Tomography Measurements The scope of the project was to analyse those measures and to provide recommendations
  13. 13. I have provided:  Data analysis in order to improve the process;  Measurements of Cm 244 on specific samples of spent nuclear fuel;  Performance calculation;  Presentation of the results in a public speech targeted to a team of experts. Thanks to the neutron intensity measures is possible to validate:  The design of the transport and the storage facilities;  The optimization of radioprotection measures;  The estimation of Burn-up indicators.
  14. 14. CT performance optimization
  15. 15. The polychromatic X-ray source is used universally in computed tomography to obtain adequate intensity of photons. This kind of source produces artifacts on the reconstructed image. One of these artifacts is the beam-hardening, which have an influence on the image resolution. 15
  16. 16. For this project I have:     Built the Set-up of CT machine; Studied and analyzed the different methods for the correction of the beam hardening; Chosen the best correction method that is the dual energy; Implemented the dual energy algorithm using Matlab. 16
  17. 17. Thank you!!! For any further questions please feel free to contact: Maria Petroni