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Production of biodiesel from Amari (Amoora Wallichii King) tree seeds using optimum process parameters and its characterization

机译:使用最佳工艺参数从阿马里(Amoora Wallichii King)树种子生产生物柴油及其表征

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Amari (Amoora Wallichii King) is a forest based tree from Meliaceae family which is mainly used in making timber. Amari wood also possess some medicinal activity. In this article, biodiesel production from Amari tree seed oil (ATSO) was investigated. Oil content in the seed was 42.85%. Linoleic (32.938%) and oleic acids (23.007%) were the major fatty acid constituents in ATSO with 84.617% unsaturation. The free fatty acid (FFA) in ATSO was 16%, hence, a two stage acid base transesterification was done to produce biodiesel from ATSO. Effect of reaction time, temperature, methanol and catalyst concentrations on yields from the 1st stage acid pre-treatment and 2nd stage base transesterification was evaluated. Maximum 96% yield (vol.%) from the 1st stage occurred with 0.80% (v/v) H2SO4 at an oil methanol ratio of 4:1 after 3.5 h of acid esterification. From the 2nd stage, highest biodiesel yield of 88.5% (vol.%) was obtained during base catalysed transesterification by adding 1% (w/v) NaOH and 30% (v/v) methanol with the acid pre-treated oil after 2.5 h. Characterization of ATSO fatty acid methyl ester (FAME) was done and properties were compared with Amoora and Pithraj tree seed biodiesels from same Meliaceae family. Properties were.found similar and most of them conformed to the ASTM D6751 and EN 14214 standards except water and sulphur contents with slight deviations. (C) 2016 Elsevier Ltd. All rights reserved.
机译:Amari(Amoora Wallichii King)是Meliaceae家族的一种以森林为基础的树木,主要用于制造木材。阿玛瑞木材还具有一定的药用活性。在本文中,研究了从阿马里树种籽油(ATSO)生产生物柴油。种子中的油含量为42.85%。亚油酸(32.938%)和油酸(23.007%)是ATSO中的主要脂肪酸成分,不饱和度为84.617%。 ATSO中的游离脂肪酸(FFA)为16%,因此,进行了两阶段的酸碱酯交换,以从ATSO生产生物柴油。评估了反应时间,温度,甲醇和催化剂浓度对第一阶段酸预处理和第二阶段碱基酯交换反应收率的影响。酯化3.5小时后,油甲醇比为4:1的H2SO4为0.80%(v / v)时,第一阶段的最高收率为96%(体积%)。从第2阶段开始,在碱催化的酯交换反应过程中,通过在2.5后添加1%(w / v)NaOH和30%(v / v)甲醇与酸预处理油,可获得最高88.5%(vol。%)的生物柴油收率。 H。进行了ATSO脂肪酸甲酯(FAME)的表征,并与来自相同Meliaceae家族的Amoora和Pithraj树种子生物柴油进行了性能比较。发现性质相似,并且除水和硫含量略有差异外,其余大多数符合ASTM D6751和EN 14214标准。 (C)2016 Elsevier Ltd.保留所有权利。

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