Ενεργειακή Αξιοποίηση Κλάσματος μη Ανακυκλώσιμων Αστικών Απορριμμάτων σε μία Βιώσιμη Αγορά Παραγωγής Ενέργειας από Απορρίμματα
Energy Exploitation of Non-Recyclable Urban Waste in an Sustainable waste to Energy Market ENERGY WASTE

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Targets - objectives

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The core aim of the project is to study, develop and implement an advanced gasification concept for the energy exploitation of the non-recyclable stream of modern recycling factory. The whole process will be designed, implemented and monitored by WATT S.A. and the research organisation CERTH/ISFTA, with a major mobilisation of the Region of Central Macedonia that will disseminate the project’s results and assess the business opportunities of waste energy utilisation, together with the European Renewable Energies Federation.

In the project, a specific demonstration action plan to exploit the thermal content of non recyclable urban waste from the WATT’s recycling factory will be implemented. WATT is a recycling unit able of handling 100.000 tons per annum waste coming from a) source separated dry recyclables and b) commercial & industrial (C&I) waste. The process used for the treatment of the incoming waste streams and the recovery of recyclable materials takes place using equipment installed in a fully enclosed building. The material streams produced from the process are the following:

  1. Large materials from the reception area
  2. Unwanted materials from the pre-sorting cabin
  3. Fine fraction (<65 mm) of the trommel screen
  4. Residues from the overflow (>280 mm) of the trommel screen
  5. Residues from the rest of the process.

The non recyclable streams (4 and 5) could be used for the production of RDF/SRF able to be utilised as gasification fuel. The production requires additional infrastructures capable of producing solid fuel with specific characteristics. Activities of the proposed project will focus on the energy exploitation of this waste fraction.

The main objectives are:

  • Mechanical treatment of the residual urban waste from WATT's factory towards the production of RDF/SRF, according to the developing standard EN/TC 343.
  • Characterization and standardization of produced RDF/SRF according to the developing standard EN/TC 343.
  • Gasification of the classified RDF/SRF to produce a combustible gas potentially used in the existing biogas collection network for electricity generation in Ano Liosia.
  • Demonstration of the RDF/SRF energy exploitation technology, which meets serious difficulties for implementation in Greece, while being widely applied in other EU countries.
  • Environmental impact assessment of the proposed action and dissemination activities to promote the energy exploitation of urban waste and/or other residues. The replication potential of the proposed project in Greece and other EU countries will be investigated, as well.
  • Review and sustainability analysis. These analyses are based on the experience acquired throughout the project’s execution, especially during the pilot testing. They will focus on

a) maximising the project’s results as regards the efficiency of SRF utilisation to electricity generation,
b) proving the sustainability of the examined scheme,
c) providing recommendations to policy makers how to overcome the institutional, legal and other obstacles that prohibit the sustainable energy exploitation of waste and
d) ensuring that the project’s results will have a strong replication potential (by providing tailored guidelines) across Greece, and Europe in general.

  • A Cost Benefit Analysis (CBA) as a tool for the economic evaluation of proposed methods, scenarios and schemes, in order to determine the most promising options.
  • Development of a pilot environment for the application and evaluation of the proposed SRF production and energy exploitation schemes. The pilot application phase of the project constitutes a key component and a means of assessing the effectiveness of the proposed scheme.
  • Greek
  • English (UK)

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