Evaluation of Net Energy Obtainable from Combustion of Stabilised Olive Mill By-ProductsReport as inadecuate


Evaluation of Net Energy Obtainable from Combustion of Stabilised Olive Mill By-Products


Evaluation of Net Energy Obtainable from Combustion of Stabilised Olive Mill By-Products - Download this document for free, or read online. Document in PDF available to download.

1

Faculty of Engineering and Architecture, University of Enna Kore, Cittadella Universitaria, Enna 94100, Italy

2

Department of Industrial Engineering, University of Perugia, Via G. Duranti 67, Perugia 06125, Italy





*

Author to whom correspondence should be addressed.



Abstract This work is aimed at calculating the energy content of the residues from olive oil production. Olive pulp, olive husk and sludge a mixture of olive pulp and husk have been analyzed separately. Olive Mill Effluents OME are normally a problem for olive mill farms, yet they may be used as feedstock for biomass-fuelled power plants. Nonetheless, OMEs are characterized by a relatively high humidity content and are produced only during the olive season. Thus, OME need a stabilization process to be employed as a solid biofuel throughout the year. The analyses conducted attempt an evaluation of the energy consumption of a three-stage stabilization process: drying, milling and pelletising. The net electrical energy available from OME is then calculated as a difference between gross energy available and energy consumed for stabilization. The gross available electrical energy was calculated based on direct energy conversion of the stabilized feedstock on a small scale direct combustion and Organic Rankine Cycle ORC turbine. Results show that OME are suitable for energy production. Approximately 4500 kJ-kg of net electrical energy may be obtained out of olive sludge or olive pulp, while olive husk shows a potential gross energy of 3400 kJ-kg. View Full-Text

Keywords: olive mill effluents; energy conversion; stabilization process; drying; milling; pelletising olive mill effluents; energy conversion; stabilization process; drying; milling; pelletising





Author: Antonio Messineo 1,* , Roberto Volpe 1 and Francesco Asdrubali 2

Source: http://mdpi.com/



DOWNLOAD PDF




Related documents