首页> 外文OA文献 >Biodiesel production under subcritical solvent condition using subcritical water treated whole Jatropha curcas seed kernels and possible use of hydrolysates to grow Yarrowia lipolytica
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Biodiesel production under subcritical solvent condition using subcritical water treated whole Jatropha curcas seed kernels and possible use of hydrolysates to grow Yarrowia lipolytica

机译:使用亚临界水处理的整个麻风树麻疯树种子仁,在亚临界溶剂条件下生产生物柴油,并可能使用水解产物生长解脂耶氏酵母

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摘要

In this work, whole Japropha curcas L. seed kernels were firstly treated in subcritical water (448 K, 2.0 MPa initial N2, 15 min, kernel to water ratio 0.5 g g 1) and then the treated kernels were used in the in situ production of biodiesel using a solvent mixture of 75% methanol and 25% acetic acid. It was found that hydrolysate collected from subcritical water treatment of seed kernels contained reducing sugars and can be used to grow Yarrowia lipolytica without the need of detoxification. The in-situ (trans)esterification was successfully optimized using Taguchi design of experiments and a high yield of 101.7 and 65.1 g FAME per 100 g of extractable lipid and dry kernel, respectively could be achieved\udunder optimized conditions (523 K, 3.0 MPa initial CO2 and 7.5 cm3g1 solvent to solid ratio). The devel-oped process can tolerate high FFA and moisture content in feedstock
机译:在这项工作中,首先在亚临界水中(448 K,2.0 N初始N2,15分钟,仁与水的比例为0.5 gg 1)处理整个Japropha curcas L.种子仁,然后将处理过的仁用于原位生产。生物柴油,使用75%甲醇和25%乙酸的混合溶剂。发现从亚临界水处理的种子仁中收集的水解产物含有还原糖,可用于解脂耶氏酵母的生长而无需解毒。使用Taguchi设计的实验成功地优化了原位(反式)酯化反应,在优化条件下(523 K,3.0 MPa),每100 g可提取脂质和干果仁分别可实现101.7和65.1 g FAME的高收率初始CO2和7.5 cm3g1溶剂与固体的比例)。开发过程可以耐受原料中较高的FFA和水分

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