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The use amount of TRIS(cas 77-86-1)

After pretreatment with waste oil, biodiesel was prepared by transesterification of immobilized lipase Novozym435 with it as raw material and methyl acetate. The main components of the product were studied. The results showed that methylphenyl palmitate, methyl stearate, methyl oleate, methyl linoleate and methyl linolate were found. The results showed that the dosage of waste oil was 2.0g, the amount of immobilized lipase Novozym435 was 8.0% of the oil weight. The reaction temperature was 60 ℃, the reaction time was 18h, the amount of organic TRIS(cas 77-86-1) was 40.0% of oil weight, the amount of tert-butyl alcohol was 0.5mL. The yield of biodiesel under this condition was 86.43%. The results showed that it was in accordance with the American Biodiesel Quality Standard and China - 50 # Light Diesel Oil Standard, and had better combustion characteristics of diesel engine.



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