【摘要】 黄连木生物柴油的黏度、闪点、十六烷值等指标符合美国ASTM PS121-1999生物柴油标准,是一种理想的可替代燃料。但是其自身含有大量的不饱和脂肪酸甲酯,在储存过程中易于被氧化,降低了其品质。将葡萄籽的乙醇提取物和微波辅助水提取物分别加入到黄连木生物柴油中,并与抗坏血酸、市售的合成汽/柴油抗氧化添加剂TP 26进行抗氧化性对比,表明葡萄籽提取物对提高生物柴油抗氧化稳定性的效果要远远高于抗坏血酸和TP 26,在添加量为0.02%时可达到抗坏血酸和TP26添加量为0.1%的效果,可以作为一种高效的生物柴油抗氧化添加剂。更多还原

【Abstract】 The bio-diesel oil from Pistacia chinensis Bunge(PCB) has fuel properties within the limits prescribed by American(ASTM PS121-1999) standards,which is an attractive alternative fuel.PCB bio-diesel oil is susceptible to be oxidized due to great amont of methyl esters of unsaturated fatty acids,which induce the deterioration of bio-diesel quality.The antioxidative stability of PCB was studied by adding four different antioxidants respectively under accelerated condition.These produced drastic effects when PCB was blended with two kinds of grape seeds extracts,respectively.Compared to Vc,a natural antioxidant,and commercial synthetic antioxidant TP 26,the effectiveness of both grape seeds extracts at low dosage(0.02 %) is equivalent to that of the other two additives at high dosage(0.1 %).Results indicated that grape seeds extracts have the potential as a high efficiency antioxidant of bio-diesel oil.更多还原