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Comparative process modeling and techno-economic evaluation of renewable hydrogen production by glycerol reforming in aqueous and gaseous phases

机译：甘油水相中再生氢生产的比较过程建模与技术经济评价

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摘要

In this paper, a comparative techno-economic evaluation of hydrogen production by glycerol reforming in aqueous and gaseous phases are presented. To accomplish the techno-economic evaluation, firstly the process modeling and design are presented. Based on the equipment purchased costs, with 80 kg/h hydrogen production, the total cost of hydrogen production is estimated 3.65 and 3.55 $/kgH(2) for steam reforming and aqueous phase reforming plants, respectively. Regarding the installation factor in the equipment costs, the total cost of hydrogen production is estimated 7.49 and 7.45 $/kgH(2) for steam reforming and aqueous phase reforming plants, respectively. To investigate the impact of independent parameters and profitability of the proposed plants, sensitivity analysis, cumulative discounted cash flow diagram, net present value, and discounted payback period are introduced. Additionally, to quantify the uncertainties in proposed plants, Monte-Carlo simulation method with +/- 50% variation of the key influential parameters is applied. Lastly, it is shown that the aqueous phase reforming process is the optimum choice based on the techno-economic evaluation.
机译：本文介绍了通过甘油水溶液中甘油重整氢产生的比较技术经济评价。为了完成技术经济评估，首先提出了过程建模和设计。基于购买成本的设备，具有80公斤/小时的氢气产量，估计氢气产量的总成本为3.65和3.55 $ / kgh（2），分别用于蒸汽重整和水相改革植物。关于设备成本中的安装因素，估计氢气产量的总成本分别为7.49和7.45 $ / kgh（2），用于蒸汽重整和水相改性植物。为探讨拟议植物的独立参数和盈利能力的影响，介绍了敏感性分析，累积折扣现金流程图，净目的值和折扣投资回收期。此外，为了量化所提出的植物中的不确定性，施加了+/- 50％的+/- 50％的蒙特卡罗模拟方法。最后，显示水相重整过程是基于技术经济评估的最佳选择。

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