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Review of catalytic supercritical water gasification for hydrogen production from biomass

机译：催化超临界水气化生物质制氢的研究进展

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摘要

Hydrogen is defined as an attractive energy carrier due to its potentially higher energy efficiency and low generation of pollutants, which can replace conventional fossil fuels in the future. The governments have invested huge funds and made great efforts on the research of hydrogen production. Among the various options, supercritical water gasification (SCWG) is a most promising method of hydrogen production from biomass. Supercritical water (SCW) has received a great deal of attention as a most suitable reaction medium for biomass gasification because it is safe, non-toxic, readily available, inexpensive and environmentally benign. However, high temperature and pressure are required to meet the minimum reaction condition. Therefore, the high operating cost has become the biggest obstacle to the development of this technology. To overcome this bottleneck, many researchers have carried out intensive research work on the catalytic supercritical water gasification (CSCWG). Based on the previous studies stated in the literature, the authors try to give an overview (but not an exhaustive review) on the recent investigations of CSCWG. Besides, the physicochemical properties of SCW and its contributions in subcritical and supercritical water reaction are also summarized.
机译：氢被定义为有吸引力的能源载体，因为其潜在的更高的能源效率和低的污染物产生量，可以在将来替代传统的化石燃料。各国政府投入了大量资金，为制氢研究做出了巨大努力。在各种选择中，超临界水气化（SCWG）是一种最有前途的从生物质生产氢气的方法。作为一种最适合生物质气化的反应介质，超临界水（SCW）受到了广泛的关注，因为它安全，无毒，易于获得，廉价且对环境无害。但是，需要高温和高压以满足最低反应条件。因此，高昂的运营成本已成为该技术发展的最大障碍。为了克服这一瓶颈，许多研究人员对催化超临界水气化（CSCWG）进行了深入的研究工作。基于文献中先前的研究，作者试图对CSCWG的近期研究进行概述（但不是详尽的综述）。此外，还总结了超临界水的理化性质及其在亚临界和超临界水反应中的作用。

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  • 来源
    《Renewable & Sustainable Energy Reviews》 |2010年第1期|334-343|共10页
  • 作者

    Y. Guo; S.Z. Wang; D.H. Xu; Y.M. Gong; H.H. Ma; X.Y. Tang;

  • 作者单位

    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    hydrogen production; supercritical water; hydrothermal reaction; biomass; catalyst;

    机译：制氢超临界水水热反应生物质催化剂;

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