Objective
Demonstration of the technical viability of injecting 25.000 tons/year of secondary fuels at the burner side of the cement kiln. The energy savings are 600.000 GJ/year approximately 15 to 20% of the total consumption. The secondary fuels will consist of a mixture of chipped siliconised paper, synthetic car bumpers or other synthetic materials such as waste tires.L%
The secondary fuels are stored in pelletised from. From storage they are transported to the injection system (under removal of dust and large particles). the secundary fuels are introduced at the hot side of the kiln by blowers. The Thermie project is focused on the injection system, dedusting installations and process control of the project.
1. Innovation
a. The innovation is the introduction of the secondary fuels at the hot (burner) side of the kiln by injecting the fuel in the flame of the burner (as oppposed to admixture at the cold side of the kiln).
b. Automatic handling and process control in order to arrive at complete combustion and incorporation of non-combustibles in the cement product.
2. The context
Co-combustion of secondary fuels in cement production is attractive as it reduces the need for landfill, reduces the fossil fuel requirements and the rest products (ash) is absorbed in the cement product and thus adds to the material balance of clinker (cement) production.
The project needs to prove that the multi-fuel injection at the burner side can be implemented while maintaining product quality and meeting environmental emission regulations.
3. Economic aspects
The average calorific content of the secondary fuels is 24 GJ/ton. The yearly supply of secondary fuel is 25.000 ton. Total energy savings are thus 600,000 GJ. The energy price is approximately Dfl 2.50 per GJ (1.25 ECU). The annual monetary value of the energy savings is thus calculated as 600.000 * Dfl 2,50 = Dfl 1.5 Mio (E) or 0.75 MECU.
The annual operating and maintenance costs (excluding monitoring costs, financial and depreciation charges) of the installation(s) in the project are estimated as : Dfl 150.000 per annum (M) or 75.000 ECU.
Overall extra investment costs are Dfl 4.7 Mio. The payback period is calculated as :
I T = ------- = 4.7/(1.5- 0.15) = +/- 3.5 years E - M
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
- engineering and technology environmental engineering waste management waste treatment processes
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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
6200 AA MAASTRICHT
Netherlands
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.