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首页> 外文期刊>Journal of Cleaner Production >Techno-economic analysis of used cooking oil to jet fuel production under uncertainty through three-, two-, and one-step conversion processes
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Techno-economic analysis of used cooking oil to jet fuel production under uncertainty through three-, two-, and one-step conversion processes

机译:通过三个,双阶段转换过程在不确定度下使用燃油生产的技术经济分析

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摘要

The application of renewable jet fuel is an eco-friendly technique that can reduce greenhouse gas emissions. Based on existing commercial processes, this study aimed to evaluate the hydro-conversion processes for producing renewable jet fuel. Three process scenarios were compared, in which the feedstock used cooking oil (UCO) is converted to hydroprocessed renewable jet fuel (HRJ) and its byproducts. Then, the investment feasibility of the three processes was evaluated through an economic analysis and predicted by an uncertainty analysis. The results show that if the main product (HRJ) is the profit target, one-step conversion is the best choice. However, if we consider the overall economic benefits, the three-step conversion method is more suitable with an average more 11.94% chance of profiting than the one-stage under uncertain analysis, which means it is a considerably competitive approach with lower risk and only 0.31 $/L of minimum selling price of jet fuel (MJSP), because it has the advantages of a wider range application and higher value of byproducts which reduce the risk of a single factor contribution. From the sensitivity analysis, jet fuel price is the key factor which contributes 75 e82% for oneand two-stage processes, but UCO price in three-stage process reach nearly 50%. In addition, due to the economic scale, scaling up the plant capacity will lead higher economic benefits. Therefore, an efficient UCO recovery system and three-stage process are the keys for the industrial development aspect through the value-chain analysis under uncertainty.(c) 2020 Elsevier Ltd. All rights reserved.
机译:可再生射流燃料的应用是一种环保技术,可以减少温室气体排放。本研究基于现有的商业流程,旨在评估生产可再生射流燃料的水力转换方法。比较三个过程场景,其中使用食用油(UCO)的原料转化为加氢处理可再生射流(HRJ)及其副产物。然后,通过经济分析评估三个过程的投资可行性,并通过不确定性分析预测。结果表明,如果主要产品(HRJ)是利润目标,则一步转换是最佳选择。但是,如果我们考虑整体经济效益,三步转换方法更适合,比不确定分析下的单阶段平均盈利的平均收获比例,这意味着它具有较低风险和较低风险和较低风险的竞争方法喷气燃料(MJSP)的最低销售价格0.31 $ / l,因为它具有更广泛的应用程序和更高的副产品值,这减少了单一因素贡献的风险。从敏感性分析中,喷气燃料价格是贡献两级工艺的75 e82%的关键因素,但三阶段过程中的UCO价格达到近50%。此外,由于经济规模,扩大植物能力将导致更高的经济效益。因此,高效的UCO恢复系统和三阶段过程是工业发展方面的键,通过不确定性下的价值链分析。(c)2020 Elsevier Ltd.保留所有权利。

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