Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.chemosphere.2012.07.052
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dc.titleEmissions of particulate-bound elements from biodiesel and ultra low sulfur diesel: Size distribution and risk assessment
dc.contributor.authorBetha, R.
dc.contributor.authorBalasubramanian, R.
dc.date.accessioned2014-06-17T05:29:49Z
dc.date.available2014-06-17T05:29:49Z
dc.date.issued2013-01
dc.identifier.citationBetha, R., Balasubramanian, R. (2013-01). Emissions of particulate-bound elements from biodiesel and ultra low sulfur diesel: Size distribution and risk assessment. Chemosphere 90 (3) : 1005-1015. ScholarBank@NUS Repository. https://doi.org/10.1016/j.chemosphere.2012.07.052
dc.identifier.issn00456535
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/59034
dc.description.abstractUse of waste cooking oil derived biodiesel (WCOB) as an alternative fuel in diesel engines has increased significantly in recent years. The impact of WCOB on particulate emissions from diesel engines needs to be investigated thoroughly. This study was conducted to make a comparative evaluation and size-differentiated speciation of the particulate bound elements from ultra low sulfur diesel (ULSD) and WCOB and a blend of both of the fuels (B50). Particle mass and their elemental size distributions ranging from 0.01-5.6. μm were measured. It was observed that more ultrafine particles (UFPs, < 100 nm) were emitted when the engine was fueled with WCOB. Fifteen particulate-bound elements such as K, Al, Mg, Co, Cr, Cu, Fe, Mn, Cd, Ni, As, Ba, Pb, Zn and Sr were investigated and reported in this study. Potential health risk associated with these particulate bound elements upon inhalation was also evaluated based on dose-response assessments for both adults and children. The findings indicate that the exposure to PM of the B100 exhaust is relatively more hazardous and may pose adverse health effects compared to that of ULSD. Also, investigations on human health risk due to exposure to UFPs indicate that UFPs contribute a major fraction (>70%) of the total estimated health risk. © 2012 Elsevier Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.chemosphere.2012.07.052
dc.sourceScopus
dc.subjectBiodiesel
dc.subjectHealth risk
dc.subjectParticulate-bound metals
dc.subjectSize distribution
dc.subjectUltra low sulfur diesel
dc.subjectWaste cooking oil
dc.typeArticle
dc.contributor.departmentCIVIL & ENVIRONMENTAL ENGINEERING
dc.description.doi10.1016/j.chemosphere.2012.07.052
dc.description.sourcetitleChemosphere
dc.description.volume90
dc.description.issue3
dc.description.page1005-1015
dc.description.codenCMSHA
dc.identifier.isiut000312978700017
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