Investigation of the Olive Mill Solid Wastes Pellets Combustion in a Counter-Current Fixed Bed Reactor

Mohamed Ali Mami, Hartmut Mätzing, Hans-Joachim Gehrmann, Dieter Stapf, Rainer Bolduan and Marzouk Lajili
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Mohamed Ali Mami: Ionized and Reactive Media Studies Research Unit (EMIR), Preparatory Institute of Engineering Studies of Monastir (IPEIM), University of Monastir, 15 Avenue Ibn El Jazar Monastir 5019, Tunisia
Hartmut Mätzing: Institute for Technical Chemistry (ITC), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
Hans-Joachim Gehrmann: Institute for Technical Chemistry (ITC), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
Dieter Stapf: Institute for Technical Chemistry (ITC), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
Rainer Bolduan: European Institute for Energy Research (EIFER), Karlsruhe Institute of Technology (KIT), Emmy-Noether-Str. 11, 76131 Karlsruhe, Germany
Marzouk Lajili: Ionized and Reactive Media Studies Research Unit (EMIR), Preparatory Institute of Engineering Studies of Monastir (IPEIM), University of Monastir, 15 Avenue Ibn El Jazar Monastir 5019, Tunisia

Energies, 2018, vol. 11, issue 8, 1-21

Abstract: Combustion tests and gaseous emissions of olive mill solid wastes pellets (olive pomace (OP), and olive pits (OP i )) were carried out in an updraft counter-current fixed bed reactor. Along the combustion chamber axis and under a constant primary air flow rate, the bed temperatures and the mass loss rate were measured as functions of time. Moreover, the gas mixture components such as O 2 , organic carbon ( C org ), CO, CO 2 , H 2 O, H 2 , SO 2 , and NO x (NO + NO 2 ) were analyzed and measured. The reaction front positions were determined as well as the ignition rate and the reaction front velocity. We have found that the exhaust gases are emitted in acceptable concentrations compared to the combustion of standard wood pellets reported in the literature (EN 303-5). It is shown that the bed temperature increased from the ambient value to a maximum value ranging from 750 to 1000 °C as previously reported in the literature. The results demonstrate the promise of using olive mill solid waste pellets as an alternative biofuel for heat and/or electricity production.

Keywords: olive mill solid wastes (OMSWs); fixed bed combustor; pellets; combustion parameters; gaseous emissions (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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