Fatty acid distillate as an alternative boiler fuel
This paper investigated the use of fatty acid distillate (FAD) produced as a by-product of edible oil refining as a fuel source for boilers. Using a diesel heater to model the combustion chamber of a fire tube boiler showed that diesel blends with FAD up to 60% could be used with different levels of...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Elsevier
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/afc1fd8182a5423dbe51830023bfbef0 |
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| Sumario: | This paper investigated the use of fatty acid distillate (FAD) produced as a by-product of edible oil refining as a fuel source for boilers. Using a diesel heater to model the combustion chamber of a fire tube boiler showed that diesel blends with FAD up to 60% could be used with different levels of preheating. A small to medium sized edible oil refinery was used to generate an economic model. It was estimated that an edible oil refinery of this size required a boiler able to supply 3 GJ/h of energy. In this situation, the FAD produced could provide approximately 57% of the yearly energy requirements for the boiler. An economic analysis revealed that using FAD (42 MJ/kg) as fuel will increase its value from New Zealand Dollar ($) 0.425/kg to approximately $1.30–1.55/kg depending on the cost of standard boiler fuel. Running the boiler on LPG ($30/GJ) or diesel ($37.7/GJ) was estimated to cost $960,000 and $1,200,000 respectively per year. If all the FAD was used as alternative fuel to provide 57% of the yearly energy, then up to $700,000 could be saved each year. |
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