Effects of NanoTag Markers in Palm Methyl Esters and Their Blends with Petroleum Diesel |
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| Authors: | Harrison Lik Nang Lau Ying Chee Kok Yuen May Choo |
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| Affiliation: | (1) Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru bangi, 43000 Kajang, Selangor, Malaysia;(2) Teras Kimia Sdn. Bhd, Suite 701, Block E, Phileo Damansara 1, No. 9, Jalan 16/11, Off Jalan Damansara, 46350 Petaling Jaya, Selangor, Malaysia |
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| Abstract: | Given the critical need to address smuggling and unauthorised usage of subsidised diesel, the Malaysia Government introduced fuel marking for subsidised diesel under the NanoTag Program in April 2006. NanoTag markers mixture consists of VisioTag (dye) and NanoTag (immunoassay marker) were spiked into palm methyl esters (PME) and its diesel blends. The blending ratio tested was 5, 10 and 20% (by volume) of fatty acid methyl esters (FAME) in diesel fuel. Both NanoTag and VisioTag markers were found to be stable in PME and blended fuel after 9 months of storage. The concentration of the NanoTag marker (MTK-021) remains consistent as determined by HPLC–UV detector. No colour change or discolouration was observed for the VisioTag marker. Other important fuel quality parameters such as acid value, oxidative stability, and moisture content of the samples were studied. The results showed that NanoTag markers pose no significant measurable effects on blended PME and diesel fuel quality upon storage up to B20. |
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