Objective
PFBC has the potential of reducing NOx emissions. It is the aim of this joint project to elucidate the most relevant factors of PFBC NOx formation and reduction so that a mathematical model can be developed for the rational description and effective exploitation of low NOx combustion.
Six main areas have been identified for investigation:
1) De-volatilisation tests in a pressurised drop tube furnace: De-volatilisation tests of coal of different particle size at various pressures and evaluation of the fuel-N release ratio. Evaluation of kinetic data of char combustion at various pressures and oxygen partial pressures. Comparison of these kinetic data with results from PFBC.
2) Effects of coal rank on the nitrogen release mechanism: De-volatilisation tests of several coals of different rank and evaluation of the fuel-N release ratio. Study of the effect of particle heating rate and size on the fuel-N release ratio.
3) Char nitrogen conversion to NOx in PFBC: Preparation of chars from selected coals and procurement of residual chars from gasification plants (combined cycle schemes) for PFB combustion tests. Combustion tests on coals and chars in a small scale PFBC. Evaluation of optimum conditions for reducing NOx emissions. Evaluation of freeboard effects.
4) Reduction of NOx by char: Preparation of char samples for NOx reduction studies. Measurement of NOx reduction kinetics and evaluation of effects of excess air level, temperature, ammonia injection, and of catalytic activity of cyclone fines.
5) Mathematical model of NOx emissions from PFBC: Selection of most important parameters and most appropriate relationships between selected parameters and NOx emission. Validation of model predictions with combustion results from PFBCs.
6) Tests on staged combustion and additive injection in a PFBC test rig: Experiments on staged PFB combustion and on additive injection planned in consideration of the results obtained in tasks 1-4.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology environmental engineering energy and fuels fossil energy coal
- natural sciences mathematics applied mathematics mathematical model
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
45307 Essen
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.