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首页> 外文会议>International conference on energy sustainability;ES2010 >MATERIAL AND ENERGY PROCESS-STEP MODELS OF SOLAR THERMAL HYDROGEN PRODUCTION TECHNIQUES
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MATERIAL AND ENERGY PROCESS-STEP MODELS OF SOLAR THERMAL HYDROGEN PRODUCTION TECHNIQUES

机译：太阳能制氢技术的材料和能量过程-过程模型

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摘要

This paper presents a thermo-economic assessment of three different hydrogen production processes using fossil fuels as feedstock. First, the paper provides process-step level energy and cost analysis for the solar reforming of natural gas. The same analysis is given for the solar cracking of natural gas. The results are compared with the thermo-economic process-step analysis of the steam reforming process. Based on the benchmark results, the paper discusses these three processes with respect to their economic viability. The data for the analysis is collected from literature, various vendors, and personal communications with people from industry and universities. The results are presented for unit hydrogen production by each technique and compared with the market price for hydrogen. An energy balance around each process-step is made to reveal the energy intensity of each process. Although the results show that the steam reforming of methane is still the most economical pathway for hydrogen production, it is only valid when the sequestration, storage, and transportation of hazardous emissions are not taken into account. Finally, this paper provides some ideas for theimprovement of the most environmentally friendly hydrogen production technique; the solar cracking of natural gas.
机译：本文介绍了使用化石燃料作为原料的三种不同制氢工艺的热经济评估。首先，本文为天然气的太阳能重整提供了工艺步骤级的能源和成本分析。对于天然气的太阳能裂解也给出了相同的分析。将结果与蒸汽重整过程的热经济过程步骤分析进行比较。根据基准结果，本文就其经济可行性讨论了这三个过程。用于分析的数据是从文献，各种供应商以及与行业和大学的人员进行的个人交流中收集的。给出了每种技术生产氢气的结果，并与氢气的市场价格进行了比较。围绕每个过程步骤进行能量平衡，以揭示每个过程的能量强度。尽管结果表明，甲烷的蒸汽重整仍是制氢最经济的途径，但只有在不考虑隔离，存储和运输有害排放物的情况下，这种方法才有效。最后，本文为 改进最环保的制氢技术;天然气的太阳能裂解。

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