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Combustion of biogas released from palm oil mill effluent and the effects of hydrogen enrichment on the characteristics of the biogas flame

Hosseini, Seyed Ehsan and Bagheri, Ghobad and Khaleghi, Mostafa and Wahid, Mazlan Abdul (2015) Combustion of biogas released from palm oil mill effluent and the effects of hydrogen enrichment on the characteristics of the biogas flame. Journal Of Combustion, 2015 . ISSN 2088-8708

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Official URL: http://dx.doi.org/10.1155/2015/612341

Abstract

Biogas released from palm oil mill effluent (POME) could be a source of air pollution, which has illustrated negative effects on the global warming. To protect the environment from toxic emissions and use the energy of POME biogas, POME is conducted to the closed digestion systems and released biogas is captured. Since POME biogas upgrading is a complicated process, it is not economical and thus new combustion techniques should be examined. In this paper, POME biogas (40% COand 60% CH has been utilized as a fuel in a lab-scale furnace. A computational approach by standard k-e combustion and turbulence model is applied. Hydrogen is added to the biogas components and the impacts of hydrogen enrichment on the temperature distribution, flame stability, and pollutant formation are studied. The results confirm that adding hydrogen to the POME biogas content could improve low calorific value (LCV) of biogas and increases the stability of the POME biogas flame. Indeed, the biogas flame length rises and distribution of the temperature within the chamber is uniform when hydrogen is added to the POME biogas composition. Compared to the pure biogas combustion, thermal NOformation increases in hydrogen-enriched POME biogas combustion due to the enhancement of the furnace temperature.

Item Type:Article
Uncontrolled Keywords:palm oil mill effluent (POME), combustion, biogass, hydrogen enrichment
Subjects:A General Works
ID Code:58082
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 12:07
Last Modified:12 Apr 2017 09:37

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