Community Research and Development Information Service - CORDIS

Basic engineering demonstration plant

This report contains the basic engineering of the first possible applications of BIOHPR-CHP in Greece. Two major agricultural residues are considered for the biomass fuel of the application, namely cotton residues (for which BioHPR was originally intended) and olive husks.

The proposed scheme focuses on the application of a CHP unit of 60kWel next to a centrifugal olive oil extraction unit. There are about 2,700 similar units in Greece. Other European countries with such units are Spain and Italy. In the proposed scheme part of the CHP’ s heat is used to partly evaporate and thus minimize the toxic and presently unsolved problem of the wastewater stream of centrifugal olive oil unit.

The CHP scheme’ s planning is presented analytically together with detailed energy and mass balances. According to the capital cost estimation given by the coordinator (presently 3000Euros/kWe) the economics of such a venture are presented. Nevertheless the application of a CHP system that provides electricity, heat and minimizes the olive oil producing unit wastewater to be treated could make the difference. An integrated BioHPR-CHP with wastewater minimization could then appear an economic option.

Reported by

Lab. Of Steam Boilers and Thermal Plants, National Technical University of Athens
9, Heroon Polytechniou str.
15780 Athens
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