Economic evaluation of a kinetic-based copper[sbnd]chlorine (Cu[sbnd]Cl) thermochemical cycle plant

Wei Wu, Han Yu Chen, Felicia Wijayanti

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

The three-step Cu[sbnd]Cl cycle plant is expected to be ready for commercialization due to less steps, less equipment, and less challenges to process solid particles. In the proposed three-step Cu[sbnd]Cl cycle, the compact layout is composed of O2 production unit, CuCl electrolysis unit and H2 production unit, solid CuCl2 is treated as the feed of hydrolysis reactor, and aqueous CuCl2 from the CuCl electrolyzer is not directly recycled. Using specific kinetics of hydrolysis and chlorination reactions, a kinetic-based three-step Cu[sbnd]Cl cycle plant provides feasible predictions of process optimization. To address the commercialization procedures, first a simple heat recovery scheme is added to improve the overall energy efficiency from 33.87% to 47.31%, and second the traditional economic measures such as net present value (NPV) and internal rate of return (IRR) are employed. The economic evaluation patterns show that the labor cost dominates the operating cost, the operating cost dominates the total cost of the plant, and the feedstock cost dramatically increases by scaling up the plant capacity. Under prescribed scenarios and optimal conditions, simulations show that the product costs of hydrogen and oxygen decrease by 99% and 91%, respectively, while the plant capacity increases from 3E6 kg/yr to 3E8 kg/yr.

原文English
頁(從 - 到)16604-16612
頁數9
期刊International Journal of Hydrogen Energy
41
發行號38
DOIs
出版狀態Published - 2016 10月 15

All Science Journal Classification (ASJC) codes

  • 可再生能源、永續發展與環境
  • 燃料技術
  • 凝聚態物理學
  • 能源工程與電力技術

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