A perspective on incorporation of glycerin purification process in biodiesel plants using waste cooking oil as feedstock
A perspective on incorporation of glycerin purification process in biodiesel plants using waste cooking oil as feedstock
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DOI：
10.1016/j.energy.2010.02.047
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发表时间：
2010-06-01
期刊：
影响因子：
9
通讯作者：
Tezuka, Tetsuo
中科院分区：
文献类型：
--
作者：
Singhabhandhu, Ampaitepin;Tezuka, Tetsuo
在通过酯交换生产生物柴油中，甘油作为有价值的副产品而产生。一些生物柴油工厂从开始运营时就采用了甘油纯化工艺。本研究的目的是评估将甘油纯化工艺并入生物柴油厂的益处，该生物柴油厂已经建成，而没有初步考虑包括甘油的额外工艺。应用成本效益分析来评估在高工厂成本和低工厂成本的情况下，在有和没有甘油设施安装的情况下，将该工艺纳入的潜在效益。我们的研究结果表明，甘油纯化工艺的安装可以通过甘油回收和废水处理成本的降低而使生物柴油厂受益。目前甘油市场价格的下降趋势可以通过鼓励开发甘油的新用途来抵消，以扩大现有市场并稳定市场价格。然而，日本使用废弃食用油的生物柴油工厂仍然需要政府补贴来维持其业务活动。(C)2010爱思唯尔有限公司版权所有。
In biodiesel production through transesterification, glycerin is produced as a valuable co-product. Some biodiesel plants have incorporated a glycerin purification process since the beginning of operations. The objective of this study is to evaluate the benefits of the incorporation of a glycerin purification process to a biodiesel plant where has already been constructed without the initial consideration of including an extra process for glycerin. A cost-benefit analysis is applied to evaluate the potential benefit from the incorporation of this process, in cases of a high plant cost and a low plant cost, with and without a glycerin facility installation. Our results show that the installation of a glycerin purification process could benefit a biodiesel plant through glycerin recovery and a decrease in wastewater treatment cost. The current downward trend in the market price of glycerin could be offset by encouraging the development of new applications for glycerin in order to expand the existing market and to stabilize the market price. However, biodiesel plants using waste cooking oil in Japan still need government subsidy to sustain their business activity. (C) 2010 Elsevier Ltd. All rights reserved.